12 best tds tests
TDS tests, or Total Dissolved Solids tests, are analytical measurements used in various industries and laboratories to determine the concentration of dissolved solids in a liquid. Here's what you should know about TDS tests:
Purpose: TDS tests are conducted to measure the total concentration of inorganic and organic substances that have dissolved in a liquid, typically water. This includes minerals, salts, ions, metals, and other impurities.
Applications: TDS testing finds applications in a wide range of industries, including environmental monitoring, water treatment, agriculture, food and beverage production, pharmaceuticals, and more. It is crucial in assessing water quality and ensuring compliance with regulatory standards.
Measurement Units: TDS is usually expressed in units of milligrams per liter (mg/L) or parts per million (ppm). These units represent the mass of dissolved solids per unit volume of the liquid being tested.
Methods of Measurement: There are various methods to measure TDS, including gravimetric methods, conductometric methods, and using specialized instruments like TDS meters or conductivity meters. The choice of method depends on the specific requirements of the analysis.
TDS Meters: TDS meters are commonly used instruments for quick and accurate TDS measurements. They work based on the principle that the conductivity of a solution is directly related to its TDS content. TDS meters often display results in ppm or mg/L.
Environmental Monitoring: In environmental science and water quality monitoring, TDS tests are essential for assessing the health of natural water bodies, such as rivers, lakes, and groundwater. High TDS levels can indicate pollution or the presence of contaminants.
Water Treatment: TDS tests are crucial in water treatment processes, such as desalination, purification, and wastewater treatment. Monitoring TDS levels helps ensure that treated water meets the required quality standards.
Agriculture: In agriculture, TDS measurements are used to assess the suitability of irrigation water.High TDS levels can negatively impact soil and crop health.
Quality Control: Industries like food and beverage production use TDS testing to monitor the quality of ingredients and final products. It helps ensure that products meet specific purity and taste standards.
Regulatory Compliance: TDS testing is often subject to regulatory guidelines and standards set by environmental agencies and health authorities. Compliance with these standards is essential for public health and environmental protection.
In summary, TDS tests are critical analytical procedures used to determine the concentration of dissolved solids in liquids. They have wide-ranging applications across various industries and are instrumental in environmental monitoring, water treatment, quality control, and regulatory compliance efforts. TDS meters and other specialized instruments play a vital role in conducting these tests efficiently and accurately.
Below you can find our editor's choice of the best tds tests on the market- ✔ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
- ✔MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
- ✔EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
- ✔MULTIPURPOSE TDS TESTER: Test the purity of drinking water to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc.
- ✔3 YEARS WARRANTY. And we offer 90 days Money Back Guarantee if not totally happy with the digital TDS water tester meter.
User questions & answers
Question: | Can I use this ppm meter for hydroponics |
Answer: | Yes . This is one of the intended uses :) Just please note it's for TDS (Total Dissolved Solids), not for pH. In hydroponics applications, a ppm meter such as this one is used to determine your nutrient count. |
Question: | how can i test if the unit is accurate could i use distilled which i assume should be zero, thanks tom |
Answer: | Thanks for your question. This TDS meter is pre-calibrated in factory, no need calibrate again by customer, we do this to prevent as many calibration related mistakes as possible, and it's easier to use. To maintain the accuracy, it's better to rinse the probe with distilled water after each use. For your mentioned distilled water, it should read 0 ppm theoretically, but in actual application, if you can't keep test condition very clean, it may read 0-2ppm usually. |
Question: | Can this also check for ph |
Answer: | It Does not. It measure TDS , EC and Temperature 3 in 1. PH Meter is another tester. |
Question: | What kind of battery does it have |
Answer: | 1 x 3V button battery CR2032 , it's included in the water tester. Sincerely hope you enjoy the products we sell on Amazon! |
Product features
Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function.
This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen.
Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponics, Pool & Colloidal Silver, Water Treatment and more.
It’s a must have handy tool for every household, testing for tap water, filtered water, distilled water, bottled water, well water, refrigerated water, etc.
Features:
- Automatic Temperature Compensation(ATC)
- Equipped with backlit LCD for easy reading. If TDS≤40, the backlit color is green, If TDS>40, the backlit color is red.
- Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record.
- Hold Function: Before reading locked automatically, the reading can be locked manually if press “HOLD”.
- Factory Calibrated: No need calibration by user.
- Auto-Off in 2 Minutes to conserve battery.
- A colorful TDS chart on the back to explains ppm readings.
- Includes a protective carrying case with belt clip, easy to carry.
- ☑️【 TEST YOUR WATER】: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
- ☑️【 EASY TO USE AND ACCURATE】: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip
- ☑️ 【AUTO-OFF AND HOLD FUNCTION】: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
- ☑️ 【MEASUREMENT RANGE】: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image
- ☑️ 【CUSTOMER SATISFACTION】: We are very proud of our reputation for high quality products & outstanding customer service, if there's any question, please kindly feel free to contact us, we are 24 hours online
User questions & answers
Question: | does it test ph |
Answer: | No, it test for TDS in PPM (parts per million). The reading is taken from the EC reading and converted within the unit to TDS. This is the accumulation of all dissolved solids in your water. But what conversion factor is used by this company? A 5.0 conversion will have different reading than one with a 7.1 conversion factor. Makes a difference. Learning to read EC is best option along with a tester that reads EC and PPM. No calibration on some. To test your pH you can use the paper strips, General Hydroponics sells a pH Test Kit that includes testing solution along with pH Up and pH down for adjusting your pH to your requirements if you are into gardening. Very fast and easy to use. There are a number of pH test pens on the market. Most need calibration and calibration solutions that is a consumable. There are different calibration factors on these as well. But easier to use and more accurate once you learn it. |
Question: | At what reading should the filter/cartridge be changed |
Answer: | Your filter and cartridge should be change every 30 days , if your ppm reading over 300 you may need do some water change , also test for nitrite , nitrate and ammonia . under 300 ppm you are OK , should be around 150 ppm to 250 ppm , but not over 400 ppm . usually do 10% water change every month or twice a month depend on how many fishes or shrimps you have. Hope will help. |
Question: | Is there a minimum amount of water that can be tested |
Answer: | I just put some water in a cup and put end of TDS gauge in, no more than inch. By the way, the best water will test 0. I use a zero water pitcher. I use this to check if new filter is needed. I hope this helped you. |
Question: | What is the accuracy of this tester |
Answer: | Can’t say for sure. Howerver, the first time I used it, the number I was getting from an old RO membrane were 350ish. I thought for sure the meter was in error. I then opened a bottle of filtered water and tested that. The bottled water reading was 12 so I think the meter is very accurate. I have since replaced the RO membrane and my numbers are in the high 20s to low 30s. I hope this helps. I would highly recommend this tester - it’s a great buy. |
Product features
Multipurpose TDS Pen
This tds water testing meter is ideal for all water purification applications, drinking water, water filtration and purification, hydroponics (test your nutrients), colloidal silver, aquariums, pools and spas, and more. (The water quality tester does not test for biological contaminants.)
Extremely Handy Device To Have Around
Even though no water TDS meter can replicate the accuracy of an expensive laboratory instrument, it is ideal for getting a close estimate. Whenever it becomes to water testing, it is an extremely handy device to have around the house.
Our Motto
Make the complex, simple. That’s our motto. And the way we achieving this is by establishing an honest, personal and friendly relationship with our customers. You can always count on our team, who are single-mindedly devoted to improving the quality of your water. Above all, we want to put a smile on your face.
- ☑️ TEST YOUR WATER: How Pure is Your Water? With the push of a button, the TDS water tester can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million)
- ☑️ EASY TO USE AND ACCURATE: Just stick it in about 1 inch of water instantly you get the reading. It's compact and doesn't need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip
- ☑️ MEASUREMENT RANGE: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image
- ☑️ AUTO-OFF AND HOLD FUNCTION: The TDS tester shuts off automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording
- ☑️100% Satisfaction: We stand behind our products and will always focus on your satisfaction. If you don't 100% love our products, please don't hesitate to contact us
User questions & answers
Question: | Will this product determine if water filtration system is working on river or stream water, making it safe to drink |
Answer: | I can’t answer authoritatively but I don’t see why it wouldn’t. You would be holding about an inch of tester in the water and there is a chart which tells you if the water is safe to drink. |
Question: | Is this a turbidity meter |
Answer: | Turbidity and total suspended solids (TDS) are related. However, turbidity is not a direct measurement of the total suspended materials in water. ... Turbidity can come from suspended sediment such as silt or clay, inorganic materials, or organic matter such as algae, plankton and decaying material. |
Question: | Is there any way to calibrate the temp. aspect of this device. It is off by quite a bit |
Answer: | I don’t believe so. |
Question: | Is this ready to use out of the box |
Answer: | Yes. Read the instructions and immerse it in a glass of water. |
Product features
CONCERNED ABOUT YOUR WATER QUALITY?
Dumsamker TDS Water Quality Test Meter performs as a guard who helps monitor water quality to tell you whether the water meets standards of drinking, so that you have a clear mind of water status and take measures to protection water safety for your family.
How to use
1.Remove the protective case and press ON/OFF button.
2. Immerse the TDS meter into the water.
3. Stirring the water tester and waiting the display stabilizes.
4. Wipe the meter with towel.
5. Press ON/OFF for 3 seconds and it will shut down.
What Is TDS And Why Should You Care
TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. The lower the TDS level in the water, the more efficiently your bodys cells can use the water. Conversely, higher TDS levels can indicate water that is more difficult for your body to use and has more contaminants that can pose health risks.
A Must-Have Tool for RO Systems
The ppm pen is the perfect tool for measuring and tracking your waters levels of TDS to make sure your water filter is doing its job. With this water ppm tester, you wont just need to take the filter manufacturers word that it reduces TDS in your water; you can put it to the test!
A Must-Have Tool for Kitchen, Aquarium, Hydroponics
How Pure is Your Water? With the push of one button, the digital TDS water tester will read overall water purity level, which will be displayed on the screen in ppm (parts per million). Dumsamker TDS water testing meter is ideal for all water purification applications, thus to check whether your water filter is doing its job right and when to change the filter. With TDS water test meter, All you need to do is to put it in the water and test.(The water quality tester does not test for biological contaminants.)
Extremely Handy Device To Have Around
Even though no water TDS meter can replicate the accuracy of an expensive laboratory instrument, it is ideal for getting a close estimate. Whenever it becomes to water testing, it is an extremely handy device to have around the house.
Please believe us
At Dumsamker, we believe in our products. You can always count on our team, who are single-mindedly devoted to improving the quality of your water.
- 【SCOBUTY Water Quality Test Meter】: 3 in 1 TDS & EC & thermometer and digital pH meter, you can easily put it in your pocket, so you can take measurements anytime, anywhere. you can test pH, TDS and EC (conductivity), water quality and temperature to ensure that your drinking water or other water is safe and healthy.
- 【TDS Meter】: 3 in 1 TDS meter can measure TDS, EC and Liquid Temperature in Fahrenheit or Degree Celsius. TDS meter have the function of Automatic Temperature Compensation, the measuring data won’t be influenced by the water temperature but influenced by the air temperature.
- 【PH Meter】: 0.01 High Accuracy Hand-held PH Meter. PH measure range: 0~14PH, Accuracy: ±0.01 PH. The PH meter can tell you the acid-basic value. PH Meter have the function of Automatic Temperature Compensation, the measuring data won’t be influenced by the water temperature but influenced by the air temperature.
- 【Wide range of uses】: Great for all home and laboratory TDS & pH testing drinking water, pool, aquarium, RO system, Spa, or hydroponics. As Well, You Can Calibrate the Tester with One Touch Button Using Buffer Powder. Please Ensure There Is No Water In PH & TDS Meter After Use, Otherwise They Will Rust.
- 【Maintenance】: Always replace protective cap after using digital meter to keep electrode from drying out due to prolon-ged exposure to air, which leads to slow or unstable readings;lf electrode has been dried out immerse it into distilled water for a few hours.
User questions & answers
Question: | Does this test chlorine levels in drinking water |
Answer: | No, it doesn't measure individual contents of the water it just tells you the total amount of everything in the water in ppm. It is only for a basic measurement of how pure water is, ie for car washing etc. |
Question: | Can I use in my sultwater tank |
Answer: | you can use it in any water it will still give a reading on the amount of impurities but not the chemical break down, and also the PH value of drinking water PH should be min 7.6 -10+ this is good |
Product features
Calibration
PH tester has a sensitive electrode sensor ,simply press "ON", It only takes a few seconds for your result to appear on screen.read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.
Step 1:Make pH calibration solution
1.Find three clean containers and fill 250ml distilled water in each container.
2.Empty 6.86 in first container,4.00 in second container and 9.18 in third container.
3.Stir gently until the powder is dissolved.
Step 2 : Calibration
lf the required accuracy is /-0.1ph , please calibrate the pH meter at 6.86 point .
lf the required accuracy is /-0.01ph,please calibrate the pH meter at three points(6.86&4.00&9.18).
Operation
1.Remove the protective cap and protective film on the screen.
2.First rinse the electrode with distilled water,and dry it with filter paper.
3.Turn the meter on by pressing the"ON/OFF" key.
4.Immerse the pH meter electrode in the solution to be tested(can not be over the immersion line)
5.Stir gently and wait around 30 seconds till the reading stabilized.
6.After finished ,clear the electrode with pure water ,turn the meter off by pressing the"ON/OFF" key.
7.Always Cover the protective cap after use.
- [ Convenience Use ] 5 Seconds know water quality, Accuracy, Faster. This set Combo of TDS PH EC Temperature. Also it have Best Price, Trustable Quality, all make it be your FIRST water quality Test.
- [ How Accuracy? ] PH resolution is 0.01pH,accuracy ±0.01pH.TDS:0~9990ppm,Conducitivity:0~9990us/cm,Accuracy:±2%.This’s same as big brand resolution in Amazon, but Pancellent test only need half price of them.
- [ Lasted Model ] PH pen have AUTO CALIBRATION function, not need any kind of screwdrivers to calibrate the pH pen tester.TDS pen have Lock & auto shut off function.
- [ Pocket Portable ] Small size but Suitable for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
- [ Wide Application ] Ideal for Home and Laboratory PH Testing, Including Drinking Water, Electroplating Liquid, Boiler Water, Water in Fish Tank, Water of Swimming Pools, Photograph Flushing Fluid, Well Water, Deep Phreatic Water, Aquaculture, Food Processing and More.
User questions & answers
Question: | Can this test ph of soil |
Answer: | half an ounce is equal to 296 drops |
Question: | Can the TDS meter be calibrated |
Answer: | PH and Chorine |
Question: | My tds meter is showing -3 centigrade in cold water and 25 degrees fahrenheit did i get a malfuntioning meter |
Answer: | No |
Question: | Are batteries included |
Answer: | I use it to test ph and chlorine. |
Product features
Little Money to Know Water Quality
The Pancellent TDS PH Meter set is a professional level water test meter.
Application: pure water production and drinking, tap water, well water, sea water,
fish tank water, swimming pool water, amniotic fluid early break, soil, aquaculture, food processing,
saliva, enzyme, chemical experiment, ionized water, PH value of human urine and so on.
Package Includes:
1 x PH Meter
1 x TDS Meter
6 x Calibration packets
1 x User's manual
Prepare
Remove the protective cap from the handheld meter.
Keep Reading Stabilize
Press the ON/OFF button to turn on the unit. Dip the electrode in the target solution, making sure the whole electrode is submerged. Stir the solution gently and wait for the value to stabilize. The LCD screen will display the reading.
How to Store
Rinse the electrode with distilled water and let it dry.
PH Meter
Measure Range : 0.00 - 14.00 pH
Resolution : 0.01 pH
Accuracy : ± 0.01 pH
Automatic Temperature Compensation : 0 - 60 ℃ / 32 - 140 ℉
PH Meter
Calibration : Two Points Automatic Calibration Button
Button battery: 2 x 1.5V LR44(keep using more than 500 hours)
Dimension:155mm*31mm*18mm
Weight:50g
TDS Meter
Lock function - makes it easy to read and record, press HOLD button then remove from test solution.
4 Display modes: press SHIFT button: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F.
5 minute Auto Shut Off feature, so battery won't run down.
TDS Meter
Measurement Range: Conductivity: 0 - 9990 µs/cm TDS: 0 - 9990 ppm (parts per million) Degrees Celsius: 0.1 - 80.0°C, Fahrenheit: 32.0 - 176.0°F
Accuracy: ± 2%
Net weight: 55g
Size: 154 x 30 x 14 mm
Calibration of the pH meter
1, the calibration powder with 250ml of distilled water or pure water to open. Dip the pH electrode into a mixed phosphate standard buffer at pH 6.86 and shake gently.
2, push the CAL button,it will auto calibration until the displayed value and the standard buffer solution at pH 6.9 consistent with the ambient temperature.
3, the same as above, the electrode was inserted into pH4.01 Phosphorous stupid acid potassium bicarbonate standard buffer solution.
4, about two minutes or so. The displayed value should be within the error tolerance compared to the pH value of the buffer solution.
- Highly efficient and accurate due to its advanced microprocessor technology, one measurement can be completed within 5 seconds.
- Built-in Digital Thermometer, Display: Large and Easy-to-read LCD Screen.
- Long battery life cycle: It’s used with 2pcs 1.5V batteries, can use more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery.
- High accuracy: +/- 2% Readout Accuracy Testing, the titanium alloy probe has high test accuracy, which can avoid the interference of magnetic field in water.
- Imported High-Quality Clip, warranty 3 years.
User questions & answers
Question: | What is the range (ppm) of this meter |
Answer: | The Measurement Range: 0-9990 ppm |
Product description
TDS METER
Specifications:
Measurement range: 0 - 9 999ppm (>999ppm Display×10)
Accuracy: ±2%
Power Supply: 2*1.5V ( LR44 Button cell) (Included)
Operating Temperature: 32 - 122 °F
Dimension: 144mm*25mm*14mm / 5.57”×0.98”×0.55”
Net Weight: 55g / 1.94oz
Features:
Automatic Temperature Compensation (ATC)
One button (HOLD) lock the testing result
Automatic shut-off after 10minutes with inactive
Non-Calibration required: TDS meter had been calibrated in producing
PH METER
Specifications:
Measure range: 0.00- 16.00PH
Resolution: 0.01PH
Accuracy: ±0.01 PH
Power Supply: 2*1.5V (LR44 Button cell) (Included)
Operating Temperature: 0°F - 140°F
Dimension: 155mm* 31mm * 18mm / 6.10”×1.22”×0.70”
Weight: 50g / 1.76oz
Features:
Automatic Temperature Compensation (ATC)
One button (CAL) calibrate the PH meter
Automatic shut-off after 5minutes with inactive
Calibration:
a. Dissolve PH buffer powder in 250ml of distilled water.
b. Turn on PH meter and clean the electrode in distilled water, then immerse the electrode in the PH standard solution.
c. Press ”CAL” button, make the reading equal to standard buffer solution PH 6.86, 4.01 or 9.18.
d. Clean electrode with distilled water and dry it.
PACKAGE INCLUDES:
1×TDS meter
1×PH meter
2×PH buffer powder
2×User’s manual
- COST-EFFECTIVE PRODUCT PARTNER. It would be more economical and convenient than purchasing it separately. The testing data from PH meter and TDS meter all are practical. The pen meter partner also can be separately used whenever you need.
- WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9990ppm and ±2% accuracy, PH meter has measurement range 0.00- 14.00PH, 0.01PH accuracy and 0.01PH resolution.
- AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and PH meter both have the function of Auto-off, it will automatically shut off with inactivity to save the battery’s life. The TDS meter and PH meter both are easy to use, just need to press “ON/OFF” to open and use it, and just need to press “ON/OFF” to close it.
- AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital ppm tester and ph tester both have the function of ATC, the measuring data won’t be influenced by the water temperature, no matter testing the ppm or ph of the water.
- SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you to take it in your pocket when you go out.
User questions & answers
Question: | Is It made in china |
Answer: | im not the company need to contact the company that sold it to you |
Question: | Does this work in brine with salt |
Answer: | 4 drops from each, less than an ounce! |
Question: | Could this read cosmetics such as soaps, cleansers & other skincare products |
Answer: | On bottle it says 20ML Made in China. Maybe 1/2oz |
Question: | why is it showing 9.18 in the 6.86 soluton? and then it reads WAY high - not accurate |
Answer: | Although a different product, this is identical to what we have been using to test our well water for the past 25+ years after going through the treatment system. I have used it for testing our campground water as well. It will give accurate results for as low as 0 or 0.5 up to 5.0 which is highly concentrated chlorine. I see no reason why the shower head chlorine can't be tested as long as you are able to fill the container with the shower water. |
Product description
Product Description: A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million). The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-EZ is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The TDS-EZ is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more.
From the Manufacturer
Water Quality Tester with Auto-off Function.
- plastic /100%
- Imported
- Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced microprocessor technology.
- Hold Function: saves measurements for convenient reading and recording and battery life is approx. 1000 hours of usage and power source is 2 x 1.5V button cell batteries (included) (LR44 or equivalent)
- Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Display: large and easy-to-read LCD screen.
- Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Fun, translucent blue housing that's very strong and durable.
- TDS-EZ meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Includes a TDS chart sticker on the back of the meter that explains TDS values.
User questions & answers
Question: | can the battery be replaced? if so, what battery does it take |
Answer: | Yes, the batteries can be replaced. It takes 2 LR44G "button cell" batteries like the batteries that go in watches, ect. The unit has an auto shut-off so the batteries should last a good long time. |
Question: | Can this be used to check for collodial silver in the 10 ppm range in a solution of distilled water |
Answer: | No it can't. It doesn't detect specific elements or chemicals. Though the way calcium, lead, and collodial silver may dissolve would effect the numerical value of TDS and if you knew that in 100 ml of 45 deg Celsius water would only hold X# ppm of an element you might be able to figure it out based on the numerical value shown. |
Question: | What temperature was this device calibrated at? I noticed that readings vary with temperature. How do I get a consistent reading |
Answer: | FROM HM DIGITAL: The TDS-EZ was calibrated at 25 degrees Celsius (77F), but more importantly, the TDS-EZ is one of HM Digital's most basic meters and does not have Automatic Temperature Compensation (ATC). Therefore, since it does not have ATC, you will see discrepancies when testing hotter or colder from the baseline of 25C/77F.If your water is typically around this temperature, it won't be much of a difference, but if +/-10 degrees or more from 25C/77F, it's a good idea to get a meter with ATC, such as HM Digital's TDS-3, TDS-4, AP-1, COM-80 or COM-100. |
Question: | How many times can the tester be used |
Answer: | FROM HM DIGITAL: Unlimited. Eventually, you will need new batteries, but the TDS-EZ can be used an unlimited number of times. |
Product features
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range
Product Description:
A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million).
The lower the TDS level, the purer the water, with 0 ppm being pure H2O. The TDS-EZ is great for checking your tap water quality, or knowing when to change a filter. (The meter does not test for biological contaminants.) The TDS-EZ is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more.
- ✅ OUR SIMPLEST, FASTEST TDS METER YET - Just dip in the meter, stir, and get your results in seconds. No calibration or setup needed, you can use it straight out of the box. Follow the step-by-step instructions then check the easy-to-read screen.
- ✅ UPGRADED ACCURACY THAT LASTS - With the titanium alloy probe and the latest sensors, you can get almost exact readings every time. What’s more, the meter can be easily recalibrated for extended precision whenever needed.
- ✅ SUITABLE FOR ANY TYPE OF TDS OR EC TESTING - Check the TDS or EC of your aquarium, pool, or any water source. You can determine the effectiveness of your RO, DI, or distillation unit, check the nutrient levels of your hydroponic setup, and more.
- ✅ RESULTS YOU CAN UNDERSTAND - Your free user guide explains exactly what the results mean, and what you may want to do about them. If you have any questions, just ask our team of EPA water quality experts. We’re here to help!
- ✅ SAVE THE MONEY AND HASSLE - Instead of forking out for an expensive lab test or professional equipment, you can get reliable results from home. This ppm meter can also be taken anywhere with you in the free leather case, ready to test on the go.
User questions & answers
Question: | What kind of batteries does it come with? Can they be replaced |
Answer: | 1 x 3V Button Cell CR2032 (can be easily replaced) . |
Question: | Does it test for ph |
Answer: | No. This meter measures TDS only. |
Question: | Can i use a tds meter to test for water hardness |
Answer: | While water hardness is a component of the total TDS measurement, it is not a water hardness test. ppm TDS is NOT the same as ppm water hardness. A water hardness test kit is designed for measuring water hardness. Here is an Amazon link to the kit! http://www.amazon.com/dp/B07BRFNNKF?tag=j/ameslaytonco-20 |
Question: | Does it also measure water temperature |
Answer: | Yes. The meter displays F and C. |
Product features
GET YOUR WATER QUALITY READINGS IN SECONDS
This meter shows the Total Dissolved Solids (TDS), Electrical Conductivity (EC), Temp °F, and Temp °C of any liquid within just a few seconds. Equipped with the latest sensors and titanium alloy electrodes, the factory-calibrated meter gives you TDS or EC readings straight out of the box.
All you need to do is dip the meter in water, give it a stir, and watch the numbers lock in on the easy-to-read backlit LCD screen. You’ll then get an idea of what your water quality is really like.
THE CLOSEST THING TO LAB-QUALITY RESULTS FROM HOME
Even though no TDS meter can replicate the accuracy of an expensive laboratory instrument, it’s ideal for getting a close estimation.
- TDS: 0-9999 ppm
- Conductivity: 0-9990 μs/cm
- Temperature range: 32-176°F and 1-80°C.
- Battery: 1 x 3V Button Cell CR2032
- Conversion factor: NaCl
- Auto data-hold: lock and record readings
- Auto-off function for extended battery life
Factory calibrated with manual calibration capability!
CHECK THE QUALITY OF YOUR WATER FOR ALMOST ANY APPLICATION
The great thing about this meter is that it works for almost any type of water testing you have in mind:
- Private water sources like wells
- RO, DI, or distillation unit effectiveness
- Nutrient levels in hydroponic setups
- Aquariums or fish tanks
- Swimming pools, hot tubs, and spas
- Many more
NOTE: TDS meters cannot be used for testing water hardness. Look for further explanation in the guide.
- Great Value Combo fulfills all test requirements: This combo contains a pH meter and 2 TDS meters, and you can do most of the tests for liquid in one buy (pH value, temperature and TDS value of liquid).
- Upgraded pH Meter: This advanced pH tester features Automatic Temperature Compensation (ATC) function that means it will automatically compensate the temperature of solution within a range of 32~122℉. Full measurement range of pH 0 – 14 with accuracy of 0.01.
- Simplified Calibration procedure: No more complex operation of using screwdriver to calibrate meter needed. What you need to do is to immerse the pH meter into the specific solution (included in the package) and then press the calibration button, and the meter will be calibrated automatically. No calibration is needed for the TDS meters.
- Multifunctional TDS meters: There are 2 TDS meter in the package, and one of them can test TDS value of liquid from 0 to 9990ppm with ± 2% accuracy and also the temperature of liquid in range from 32~210℉. The small TDS meter provides the same test range and accuracy of TDS value as the bigger one, and the handy size is designed for you to carry around.
- Wide applications: This liquid test meters combo can be used in laboratory for different kinds of test experiments; it can also be used for home purposes to test many important factors of drinking water in order to ensure safe water consumption.
Product features
Professional pH and TDS measurement apparatus producer
Fivota keep on designing and producing pH & TDS instruments for many years and our laboratory consists of a group of related experts who contribute great efforts in developing our products.
Fivota pH & TDS Meters Combo (3 Meters in a Pack)
Fivota pH & TDS meter will provide you with a quick and accurate readings in many scenarios, and the ways of using them are simple and straightforward. The pH meter is equipped with advanced Automatic Temperature Compensation (ATC) function and it makes this meter more accurate than others as temperature is an important factor that will affect the accuracy of pH measurements, and now temperature of the liquid to be tested will be taken into account for giving out the final reading with ATC.
The pH meter also has one-button calibration function which makes the process of calibration much easier, and what you need to do for recalibration is simply to immerse it into solution and press a button.
Why TDS test is important?
TDS is Total Dissolved Solids, which measures the dissolved combined content of all inorganic and organic substances present in a liquid, and it is one of the important factors of determining whether the water is suitable for drinking or not.
Cost-effective choice fulfill all your need for water test.
The TDS meter can measure temperature and TDS value of liquid instantly, and it is also equipped with Automatic Temperature Compensation (ATC) function. Two sizes of TDS meters give you a flexible choice for different use purposes.
The calibration process of pH meter
1. Dissolve the 3 packs of pH powder (pH 6.86, pH 4 and pH 9.18) into 250ml water and stir it until all the powder dissolved.
2. Choose the solution of pH 6.86 first.
3. Immerse meter into the pH 6.86 solution and then press ‘CAL’ button for 5 seconds. After the screen flashing 3 times at the reading of 6.86, get the meter out from the solution.
4. Clean the meter with water, and choose pH 4 solution to repeat step 3. After that, choose pH 9.18 solution to repeat step 3.
Product descriptions of pH meter
Measuring Range: 0.00 - 14.00 pH; pH Measurement Accuracy: 0.01 pH; ATC Function; One-button Calibration; Power Type: 2*LR44 Button Battery.
Product descriptions of TDS meter
TDS measuring range: 0 - 9990 ppm (parts per million); Degrees Celsius Measuring Range: 0.0- 99.0°C.; Degrees Fahrenheit Measuring Range: 32.0-122.0℉; Hold Result Function; No Calibration Needed
Product description
Super accurate, reliable and easy to use TDS, EC &Temp water tester reader, with backlit and auto-lock function.
This advanced digital ppm meter pen with Advanced Microprocessor Technology, combines TDS Meter(Total Dissolved Solids), EC Meter(Electrical Conductivity) and Temperature meter all in one ergonomically designed pen.
Widely be used for all Water Quality Testing, Water Purification Applications, Aquaculture, Hydroponics, Pool & Colloidal Silver, Water Treatment and more.
It’s a must have handy tool for every household, testing for tap water, filtered water, distilled water, bottled water, well water, refrigerated water, etc.
Features:
Automatic Temperature Compensation (ATC)
Equipped with backlit LCD for easy reading. If TDS≤40, the backlit color is green, If TDS>40, the backlit color is red.
Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record.
Hold Function: Before reading locked automatically, the reading can be locked manually if press “HOLD”.
Factory Calibrated: No need calibration by user.
Auto-Off in 2 Minutes to conserve battery.
A colorful TDS chart on the back to explains ppm readings.
Includes a protective carrying case with belt clip, easy to carry.
Specifications:
Measuring Range:
TDS: 0 - 9990 ppm (parts per million)
Conductivity: 0 - 9990 µs/cm
Degrees Celsius: 0. 1 - 80. 0°C
Fahrenheit: 32. 0 - 176. 0°F
Accuracy: 2% F. S
Net Weight: 1. 59oz(45g)
Size: 6. 02 x 1. 13 x 0. 49in
- High accuracy: The 3-in-1 tester combines TDS (Total Dissolved Solids), EC (Electrical Conductivity) and temperature meter for high accuracy with ATC (Automatic Temperature Compensation). Range: 0-9999 ppm, 0-9990µs/cm +/- 2%; 0. 1 – 80 ℃ (32-176 ℉)
- Quick & easy to use: Just turn TDS meter on, stir water gently, then stabilized readings will be auto locked on LCD in seconds. Our easy to follow instructions make this factory calibrated TDS meter super convenient to use
- Portable & light weight: measures only 6. 02 x 1. 13 x 0. 49in, 1. 59oz, designed to fit in your pocket and easy to carry
- Multipurpose: Test drinking water purity to ensure it's healthy, monitor if Reverse osmosis (RO)/DI system works properly, whether filter need replaced, maintenance aquarium, hydroponics (test nutrients), pool and spa, etc.
- Long lifespan: Long battery life and lower power consumption; Auto-off function saves on battery usage and our TDS meter has lower power consumption than HM TDS meter
Product description
product description
What is TDS and why should I care?We cannot intuitively understand the purity of drinking water.Seemingly transparent water may contain many impuritie. TDS = total dissolved solids,which are inorganic salts and organic matter in the liquid.The lower the TDS level,the purer the water.Conversely,a higher TDS content means that more particles (such as heavy metal ions) are dissolved in the liquid.We are equipped with a backlghit LCD for easy reading.If TDS ≤ 40,the backlight color is green,and if TDS> 40,the backlight color is red.
Instructions for use:
1. Remove the pen cover and press the ON key to turn on the tester
2. Place the pen in the solution to be tested,the height of the solution should not exceed 4 cm (from the end of the pen)
3. Gently stir the tester several times in the solution to be tested,then wait for the reading to stabilize within a few seconds
4. After use,dry the water quality on the tester with a cloth and cover with a pen cover
Widely used in all water quality tests,water purification applications,aquaculture,hydroponics,pool and colloidal silver,water treatment,etc.
You can test tap water,filtered water,distilled water,bottled water,well water,chilled water,etc,It is a necessary and convenient tool for every family.
- [LCD backlight] :Our TDS water meter is equipped with low power backlight technology, which can easily test water at night or in a dark place. It can also be used to distinguish between drinking water and non-drinking water. The red backlight (ppm> 40) reminds the user that the current water quality is not ideal, indicating that this is non-potable water.
- [Three-in-one test function]: advanced three-in-one (TDS, EC, temperature) conductivity pen, the tester can not only detect TDS, but also detect EC and temperature in water. The ppm meter range is 0-9990 ppm, and the temperature also supports two reading modes of Celsius and Fahrenheit.
- [Simple and convenient operation]: Just turn on the TDS water meter and gently stir the water, and then the stable reading will automatically lock on the LCD within a few seconds; the TDS tester will automatically shut down after not using it for 2 minutes to save battery.
- [Large capacity battery]: Equipped with 3V large capacity button battery. Can be effectively used for more than one year.
- [100% Satisfaction Guarantee]: Thank you for supporting our products, we will do our best to provide you with satisfactory products and services. If you have any questions about our products, you can contact us, we will provide a 90-day money-back guarantee for illegal products.
User questions & answers
Question: | Is this ok for fish tank aquariums |
Answer: | These are disposable test strips. They can test the water 1 time per strip. FamilyPoolFun |
Question: | What scale is the EC calibrated to |
Answer: | The meter comes with a bottle of 25 test strips. Refills are available separately which have 50 strips per bottle. |
Question: | How to calibrate the tester |
Answer: | I don't believe so, these test strips have a black plastic backing on them. I believe that helps give it an accurate scan of the color on the pad. |
Question: | Would this water meter be good for testing drinking water in USA |
Answer: | It measures chlorine, alkalinity, and ph. |
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