9 best gas testers

Gas testers, also known as gas analyzers or gas detectors, are diagnostic test and measurement tools used in various industries, including automotive, to detect and measure the presence and concentration of specific gases in the environment. These devices are crucial for ensuring safety, monitoring air quality, and diagnosing issues related to gas emissions. Here's what you need to know about gas testers in an automotive context:

  1. Purpose: Gas testers are used to detect and measure the concentration of gases in the exhaust gases of vehicles. This is essential for assessing vehicle emissions and ensuring compliance with environmental regulations.

  2. Emissions Testing: In the automotive industry, gas testers play a critical role in emissions testing. They are used to measure the levels of harmful pollutants such as carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx) in a vehicle's exhaust gases.

  3. Oxygen Sensors: Gas testers often work in conjunction with oxygen sensors (O2 sensors) to provide accurate readings. O2 sensors measure the amount of oxygen in the exhaust gases, which helps calculate the air-fuel ratio and, consequently, the efficiency of the engine's combustion.

  4. On-Board Diagnostics (OBD): Many modern vehicles are equipped with on-board diagnostics systems that include gas testers as part of the emissions control system. These systems monitor emissions in real-time and can trigger a "check engine" light if emissions exceed acceptable levels.

  5. Types of Gas Testers: Gas testers come in various types, including handheld portable devices, benchtop analyzers, and integrated systems for vehicle emissions testing. Some are specific to certain gases, while others can detect multiple gases simultaneously.

  6. Calibration: Gas testers require periodic calibration to maintain accuracy. Calibration ensures that the readings are consistent and reliable, especially when used for emissions testing or regulatory compliance.

  7. Safety and Compliance: Gas testers are essential for ensuring that vehicles meet emissions standards set by regulatory authorities. They help identify vehicles that may be emitting excessive pollutants and require maintenance or repairs to comply with environmental regulations.

  8. Maintenance and Repair: Automotive technicians and mechanics use gas testers as diagnostic tools to identify engine problems related to combustion efficiency, fuel-air mixture, and emissions. This information helps them diagnose and fix issues such as misfires and inefficient fuel combustion.

  9. Safety Precautions: When using gas testers, especially in automotive repair and maintenance settings, safety precautions are essential. This includes proper ventilation to avoid exposure to toxic gases and ensuring that the equipment is in good working condition.

  10. Environmental Impact: Gas testers help contribute to cleaner air by identifying vehicles that emit excessive pollutants. This, in turn, supports efforts to reduce air pollution and its impact on the environment and public health.

In summary, gas testers are valuable diagnostic tools used in the automotive industry to measure and monitor the concentration of specific gases in vehicle exhaust gases. They are essential for emissions testing, maintaining compliance with environmental regulations, diagnosing engine issues, and ensuring the safety of automotive technicians and mechanics. Proper calibration and maintenance are crucial to their accuracy and reliability.

Below you can find our editor's choice of the best gas testers on the market
  

Techamor Y201 Portable Methane Propane Combustible Natural Gas Leak Sniffer Detector

TECHAMOR

Based on 2 reviews Check latest price
  • Detect Various Flammable Gases: Portable Natural gas sniffer and tester is used to locate exact gas leak for various combustible gas, such as methane, natural gas, propane, LPG, sewer gas, coal gas, gasoline, other flammable gases
  • Detection Range: Approximately 50 to 10,000 ppm (Based on Methane), instant response once encounter leakage points
  • Easy-to-Use Gas Leak Detector: Powered by 3 AAA batteries (Not included), 12 inch bendable gooseneck can locate and detect the gas leaks even in hard-to-reach areas at home & VR, kitchen and fireplace etc., refer to “How and Where to Use the Y201 Combustible Gas Detector” video
  • Sound and Visual Gas Alarm: Six red LED’s (visual) and 85dB audible alerts once encounter gas leakage along pipeline or around the suspected leakage points
  • Original Design and Lifetime Technical Support: Design patent and certifications are applied to make sure the product quality and uniqueness. Replacement and friendly customer service are available even it’s broken in 24 months.

User questions & answers

Question: is it precise
Answer: Yes ours came with the headgear
Question: Is any detection of gas harmful? My apartment supposedly just fixed its gas leak, but this is still showing the first level red light within my apt
Answer: Don't know the max size. I wear a 7 3/4 hat and this fit fine. There is a minimal amount of adjustment left.
Question: Do I need to replace the sensor after 2 years to keep this working? Or, is the unit useless after about 2 years? I read the sensor tip has a lifespan
Answer: These type of hard hats is varies but it is fiberglass though. The color can be light to mid dark brown. They ship me with a light brown one. I was surprised it was very light, it was thin. Just be careful when buying from Warehouses. They say they will give you a new ratchet suspension but they never did. So be aware of that and if it happen they won't ship you a new one, they will ask you to reship it back and buy a new one, hopping you will receive the hard hat with the suspension but NO GUARENTEE. But to answer your question, yes it does look like that, but remember it varies on the seller because it come from a warehouse.
Question: I don’t understand after it warms up how to detect gas ? Do I move the button until it stops ticking and no alarm? I move + and alarms sounds
Answer: Front brim, ball cap style.

Product features

Techamor Portable Gas Leak Detector/Sniffer - Y201

The Y201 portable sniffer is an easy-to-use device that provides sound and visual alarm in presence of methane, propane, such as LPG, fuel and natural gas.

It’s mainly used to find and locate exact gas leak point along gas pipeline, around fittings or connectors at home & VR, and other similar applications. Helps to save hundreds of diagnostic fees from technician or plumber, and makes it's possible to debug gas leakage anytime by DIY.

For 24h gas monitor and detection, refer to Y301 and Y302.

2.1 Warm up process: around 10s

The speaker will always have “di didi…” until we turn off device, except one moment in step 2.2. At warm up period, ticking noise frequency is slow: around 2~3 times/s.

The knob is used to adjust sensitivity of detector after finish 10s warm up process, during the process, no matter how to adjust the knob, the device won't have any reactions.

2.2 Rotate the knob to adjust sensitivity

If the alarm sounds prematurely and LED lights are on after warm up, need to decrease sensitivity to prevent false alarm (dial downward "-", shown as red arrow) .

Rotate the knob to adjust sensitivity until the first bottom LED turn off or at the threshold of lighting up, and the moment that ticking sound stops. This is the best status.

But if it's inconvenient to get the best status, we can just make the first bottom LED be on and have slow ticking "di di...." sound. Because once encounter leakage, all the rest 4~5 LED will be triggered on together at just one moment.

2.3 Ready to sniff or trace leakage

Move the probe along pipeline or around the suspected leakage points, such as fittings, connectors and switches, once encounter gas leakage, all 5~6 LED lights will be triggered immediately and the low frequency (2~3 times/s) ticking will change into piercing sounds (frequency 6~7 times/s, too fast and human ears cannot distinguish one time by one time) .

3. Different Usage Pictures Collection from Lovely Customers

4.1 Could tell more related to use?

1) Easy to understand video will be good choice, refer to “How and where to use the Y201 gas leak detector” around pictures area at beginning . 2) Get service support, engineers on staff from factory online will help to answer any questions related to leakage if above video can't help to understand.

4.2 Why always has ticking sound?

The design of ticking sound has two purposes: 1) Indicates the device is working.For some cases, we need to extend the probe to the area that we can't see LED lights, customers could judge thru the sound changes. The green power LED light is also used to indicate the device is working. 2) Represent different levels of gas leakage. Low frequency (around 2~3 times/s) means warm-up period or no leakage, if changed into high frequency (around 6~7 times/s) during detection process, means encounter leakage issue.

Notes: above is based on we set sensitivity well, because if we rotate the knob at anti-clockside too much, even there don’t have any leakage, all the 6 LED will be triggered on and sound will become piecing high frequency.

4.3 Some batteries only use 10~15 minutes, then low battery indicator is on.

According to our experiment data at lab for different batteries brand, usually last from 15 minutes to 4 hours. Different brand batteries have very different quality. Indeed, the device is hungry for batteries. The sensor in the probe needs large power for micro burning process and we can feel a little warm if we use finger to hold the probe. Another reason maybe product itself, components (resistor, capacitor......) tolerance or damage on the PCB board may also lead to large power consumption, but the rate is very low.

Usually when we find customers from home inspection company, we will suggest purchasing rechargeable Li-batteries, because their technicians or plumbers use the device frequently and Li-batteries will help to save some batteries cost.

4.4 Is it normal or safe if get 1 red bar when move to high moisture room, around connectors or simply blow on probe?

Don't worry, it's normal, the large moisture change and CO affect the sensor performance, and may lead to false alarm by 1~2 LED red bars, but only last for 1~3s (very short time) if we move probe away. If we encounter leakage along the pipeline or connectors, all 5~6 LED bars will be triggered on at one moment, light and piercing sound alarm will last at least for 6~8s.

4.5 what's best distance between probe and pipeline/ranges/connectors.... during check process?

Recommend 1~10cm, if too far, concentration will become smaller as distance increase from leak point, and maybe not enough find and locate tiny leakage.

4.6 How about bubble method to check leakage compared with Y201?

Bubble is very good way and can be used to check all kinds of gas leakage while Y201 is mainly used for combustible gas. But for very tiny leakage and very strong leakage, bubble method maybe not good enough: 1) too tiny leak can't blow up bubble, too strong will blow the liquid away and can't have bubble, 2) some areas we can't extend to apply bubble liquid, 3) need good luck and skills to control the bubble liquid concentration if DIY bubble liquid, 4) in some case, liquid contact may lead to equipment or device damage.

The best way is: use both methods for double confirm if allowed, since bubble is more visible.

Y201 Propane and Natural Gas Leak Detector; Portable Gas Sniffer to Locate Gas Leaks of Combustible Gases like Methane, LPG, LNG, Fuel, Sewer Gas; w/ Flexible Sensor Neck, Sound & LED Alarm, eBook

EG Air

Based on 3 reviews Check latest price

Product description

As the only US based retailer of this Yeezou Y201 gas detector, we provide expert support with our chemist on staff to answer any technical questions. Buy confidently; this device is covered by EG Air's lifetime replacement guarantee. Also included/emailed is a 20+ page eBook on Gas & Air Quality Hazards.



FIND GAS LEAKS AT HOME:

Find the location of any natural gas, propane, LP or fuel leaks by running sensor probe along a gas pipe, fuel line, or fittings near any gas smells. Pinpoint fuel leaks from your lawnmower or car. Gas leak is found when alarm sounds and LEDs light up. Don't pay a technician's $100+ diagnostic fee when you can find a gas leak anytime with this propane & natural gas detector.



STEPS/TIPS ON USE: (see video at https://www.amazon.com/vdp/17873f5854174d4db2087794a60238be)

-To detect leaks while minimizing false alarms, turn the sensitivity dial upward toward (+) until the device begins to alarm away from any gas leak. Turn sensitivity dial downward (-) slightly until alarm stops and 1st LED just turns off. Now, any small increase of gas level (as from a leak!) will cause the alarm to sound.

-If alarm sounds prematurely, sensitivity needs to be decreased to prevent false alarms.

-Each leak varies in leak rate and background gas concentration, so adjust sensitivity level to find any leak.

-Allow device to warm up sensor for 10s until yellow “Warm Up” light turns off.



SPECIFICATIONS:

Maximum Sensitivity: 50 ppm

Alarm range: 0.1%-40% LEL

Warm up time: 10s

Response time: ≤2s (10% LEL)

Alarm: Visual with 6 Red LEDs, Audio with Variable Tone Frequency

Power: 3 AAA batteries



Package Includes:

-Gas Leak Sniffer

-Manual

-Protective Bag

  • A GAS DETECTOR FOR MOST EVERY COMBUSTIBLE GAS: Locates the source of explosive gas leaks including natural gas or methane, propane, fuel including gasoline or kerosene, sewer gas, alcohol, butane, coal gas, ethane, toluene, and other flammable gases.
  • PORTABLE & FLEXIBLE GAS LEAK DETECTOR: Powered by 3 AAA batteries, this portable gas detector sniffer can be taken anywhere to find gas leaks indoors or outdoors. Bend 12-inch length sensor neck in any direction along gas pipes or fuel lines in confined spaces to find gas leaks.
  • VISUAL / AUDIO GAS INDICATORS: 6 LEDs with 85dB tonal alarm notify users of gas leaks and relative concentrations of natural gas & propane.
  • ADJUSTABLE SENSITIVITY: Increase sensitivity dial to find small gas leaks. Decrease sensitivity to find larger explosive gas leaks while filtering out false alarms from background gas levels. If alarm sounds when turning on detector, sensitivity needs to be decreased toward (-).
  • LIFETIME USA WARRANTY + ORIGINAL DESIGN: As the only US retailer of this item, we stand fully behind this product and will replace it if it ever breaks! We have a Midwest-based chemist on staff to answer any technical questions. Also included is a 20+ page eBook on Gas and Air Quality Hazards.

User questions & answers

Question: is this detector constantly plugged in like smoke detector
Answer: I suspect it can. If you have wind conditions of course that would affect how much gas the detector would pick up but if it was close enough to the source it should work
Question: How often should a gas detector be replaced? Every 5 years
Answer: No. LPG, natural gas, and town gas, according to the instructions.
Question: Is the alarm constant until the situation is addressed
Answer: I looked at the instruction manual and the box and it doesn't say anything about being UL listed. It is built in China but I don't know if that has anything to do with what is or isn't UL listed. Sorry I couldn't help more.
Question: Can I use with a battery
Answer: Hello, this product does not detect carbon monoxide, please pay attention when buying. Propane cannot be detected, but methane can be detected.

Klein Tools ET120 Gas Leak Detector, Combustible Gas Leak Meter with 18-Inch Gooseneck Has Range 50 - 10,000 ppm, Includes Pouch, Batteries

Klein Tools

Based on 454 reviews Check latest price

Product description

The ET120 is it the perfect choice for HVAC professionals. It is an easy-to-use tester that provides audible and visual alarms in the presence of methane, propane and other combustible gases at concentrations as low as 50 ppm. It features two levels of sensitivity depending on users' needs: High (approximately 50 to 1000 ppm) and Low (approximately 1,000 to 10,000 ppm). Gas Leak Detector with 18-Inch flexible gooseneck. Combustible gas detection range: 50 to 10000 ppm. Combustible gas detection range: 50 to 10000 ppm. Over-molded body for comfortable grip. Auto power-off after 10 minutes of non-usage conserves battery life. Includes detector, 4xAAA batteries, instruction manual and storage pouch. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

  • Detection range: Approximately 50 to 10,000 ppm* (*based on Methane)
  • Two levels of sensitivity: High (approximately 50 to 1000 ppm) and Low (approximately 1000 to 10,000 ppm)
  • Five red LED's (visual) and 85dB audible alerts that increase with gas concentration
  • Automatic zero-point calibration at power-up (lights will flash during self-calibration; this does not indicate the presence of gas)
  • 18-Inch flexible gooseneck expands sensor's reach; clips onto meter for storage

User questions & answers

Question: Will this detect a co2 leak
Answer: this gas detector very easy to use and it works precisely
Question: Can this detect r22 and 410a
Answer: After warm-up and the yellow light goes out adjust the side dial to adjust the sensitivity until the first, bottom LED is at the threshold of lighting up and the ticking just starts to sound. If the alarm sounds after warm up the knob is rotated too far + rotate - until the first LED is lit or about to be lit. If the first level red light is lit and the alarm is not sounding, it's not detecting any gas.
Question: Will this detect hydrogen
Answer: HI,Usually the products can work for at least 2 to 3 years , if sensor is not sensetive enough , we recommend you to replace the sensor at that time . You can send Email to contact us, feedback your address and we will arrange our after service team to ship sensors to you for replacement. We can use DHL to ship , or ask our US local team to ship from your side . Anyway, if you have any concerns or question , just contact us and we will reply in 24 hours and feedback corresponding solutions . Thank you choose our products and service .
Question: Does this detect hydrogen sulfide
Answer: Turn it on let it warm up a just dial till lights go out and ticking starts the ticking means the sensor is sampling the air if it detects methane it will alarm the more lights the higher the gas concentration

Product features

Combustible Gas Leak Detector

The ET120 is an easy-to-use tester that provides audible and visual alarms in the presence of methane, propane and other combustible gases at concentrations as low as 50 ppm, making it the perfect choice for HVAC professionals.

Gas Detector Portable Natural Gas Tester Detector | Combustible Propane Methane Gas Sensor Sniffer with Sound Light Warning, Adjustable | CE Certified (P-AS8800L (Sound&Light Model))

PANGAEA

Based on 1 reviews Check latest price
  • Portable natural gas detector for detecting all combustible gas leak, LPG, LNG, fuel, hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol), sewer gas etc. You can use it in your house or your RV.
  • Come with 3xAA batteries, ready to use! Compact size, light weight, easy to carry and operate. Long flexible stainless probe reaches all areas.
  • Audible semiconductor probe and auto fast warm-up.
  • Instant response, pinpoint leak position, whether in your home or in your RV. Audio & visible leakage alarm indication and adjustable sensitivity. Minimum 50 PPM (methane)
  • Video tutorial for your preparation. Please scroll down to "Related Video Shorts" on this page to find out. Also, you can download the latest version of Instruction Manual in the section of Technical Specification, on the same page as product description.

User questions & answers

Question: This says natural gas detector..I need propane detector, will this work or should I get something specific to propane
Answer: The instructions say to place it 15' from the heat source, but if I were in that 6' x 6' blind, think I'd feel safer with this detector. It might go off more readily if too close to the source.
Question: Does it detect LPG
Answer: Because they do not think your smart enough to do the math. Check everything, volume purchases no longer equal cheaper pricing per unit.
Question: Will this device tell you which gas is possibly leaking ? Such as natural gas or methane? I have an odor in different parts of my home sometimes
Answer: I just installed three of the Kidde CO Alarm Model KN-COB-LP2. The holes are exactly 3.00 inches (7.62 mm) apart. I recommend sliding off the back plate and using it as a template, though. Install One screw, or in dry wall using the provided plastic anchors, Drill one 3/16" (4.75 mm) hole and install the screw. Then hang the back plate off the single screw and level it and use a pencil to mark the exact center of the second hole. Install the second screw. Check with back plate to see if they align sufficiently (My first one was off a little because I did not follow the procedure above, but it was still OK, just not perfect).
Question: My home has sewage smell leak somewhere (usually hydrogen sulfide). Can this product detect the source of leak
Answer: Be aware that the sensor has a 7 year life. At least that is the information I got from Kidde. I am replacing my 2 units purchased in 2011.... Otherwise they appear to be good. I am not sure if other brands have a similar lifespan.

Product features

PANGAEA Portable Gas Leak Detector/Sniffer - P-AS8800L

This handheld detector is the best solution for tracking down the source of a leak before it becomes a major problem. It can detect all combustible gas leak, LPG, LNG, fuel, hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol), sewer gas etc.

YSTOOL Fuel Pressure Tester Gauge Kit 140PSI Automotive Engine Injector Pump Test Gasoline Gas Injection Manometer Tool Set with Inline Fitting Schrader Adapter for Auto Car Motorcycle (Blue Case)

Based on 27 reviews Check latest price
  • The fuel injector tester kit is designed to identify and diagnose malfunctions in fuel supply & injection systems and help find possible causes. Suitable for most fuel injection systems in gasoline vehicles such as cars, trucks and ATVs. Incompatible with Bosch, CIS-Jetronic, or GM throttle body systems because of no suitable connection adapters. Also not fit diesel high pressure injection pump or high pressure fuel track on direct-injection engine due to the test range: 0-140psi /0-10 bar
  • Gas fuel pressure tester gauge kit equips with various fittings and hoses for test, and supports two assembly forms. One is to connect pressure gauge directly to fuel pump's standard Schrader / M6 / M8 / M10 / M12 / M14 fuel pressure test port with 15" / 8" hose and M8 / M10 / M12 / M14 adapters. The other is to measure by fitting the T-type joint between the fuel pump and engine. Please note: no small Schrader connector in this fuel presure test kit to perform service for some Ford models.
  • Accurate fuel pressure gauge has a 3-1/2" big color-coded dial with shockproof rubber cover. 15"L hose can attach to the 1/4" SAE standard Schrader valve on fuel pump or fuel rail directly. The built-in translucent fuel discharge hose and pressure release valve work for safe pressure release & easy fuel recovery. The connectors are made of brass and aluminium, good airtightness & anti-corrosion. Reinforced rubber resin nylon hoses (WP:300PSI) are resistant to torsion & high temperature
  • After testing the fuel pressure by YSTOOL gasoline engine fuel injection pressure tester, compare the reading with the recommended pressure range. If higher, it could be a faulty fuel pressure regulator or a bent clogged return line. If lower, possible causes are dirty fuel filter, weak pump function, incorrect fuel tank exhaust, restricted fuel line, clogged pump inlet filter or electrical control failure. Petrol is highly flammable, please ask professionals to operate with no open fire nearby
  • Your satisfaction and recognition are always what we pursue. Within one month from the date of purchase, the product can be returned unconditionally if it is complete and without any damage. Within one year warranty period, any quality issue with the product, you are promised to exchange or refund the problematic parts for free. Please contact us to resolve any issues during your use before leaving any feedback.

Product features

Adapters

  • Size: M8 M10 M12 M14
  • Made of brass, aluminum and steel
  • Use for the corresponding test port on fuel rail

T-type parts

  • Size: Aluminium T-type parts 1/4" & 3/8" barbed x 1/8"-24NPT & brass adapter 1/8"-27NPT x 1/4"-18NPT
  • Made of brass and aluminum
  • Offered to splice in-line between the fuel pump and engine for most cars.

Short hoses

  • Size: 1/4"I.D. x 3-1/2"L, 3/8"I.D. x 3-1/2"L
  • Material: Rubber nylon resin

Hose clamps

  • Material: Aluminum
  • Function: Designed to secure a hose over a fitting by clamping the hose down.
  • To avoid the fluid in the hose from leaking at the joint

2 Assembly Forms for Detection

  • Directly connect pressure gauge to fuel pump's standard Schrader / M6 / M8 / M10 / M12 / M14 fuel pressure test port with with 15" / 8" hose and M8 / M10 / M12 / M14 adapters.
  • Splice in-line the fuel pump and engine with T type parts.

Test Result

  • Kink/leak/clog on inlet side components
  • Kink/leak/clog on outlet side components
  • A detective fuel pump or fuel pressure regulator
  • Low tank pressure

Safety Tips

1.Please wear protective gloves and goggles when use.

2.Operate in a well ventilated place and keep far from the source of fire and flammable items

3.Tighten all connections to avoid fuel leaks.

UEi Test Instruments CD100A Combustible Gas Leak Detector

UEi Test Instruments

Based on 472 reviews Check latest price

Product description

The CD100A is the service persons tool designed to detect combustible gas leaks in residential and small commercial applications. Semiconductor sensor responds instantaneously to all combustible gases. The easily adjusted, steady tic rate provides a precise indication of the leak source. The CD100A can be used in tight quarters where others might not fit.

From the Manufacturer

UEi Test Instruments has over 50 years’ experience designing and manufacturing a broad range of award-winning, industry-leading Test and Measurement Tools. Professionals recognize the UEi brand for quality and innovative features designed to solve real-world problems. UEi backs its products with dedicated technical support, service and repair teams.

  • Easy one hand operation
  • Simple adjustable TiCo rate
  • Long 18 inch gooseneck
  • Tip light in sensor cover illuminates the area of the leak, sensor provides accurate detection

User questions & answers

Question: Comparing to amprobe gsd600, which one is more reliable
Answer: The both do the same thing and have same technology. I think it is more of a color preference lol
Question: I am putting in natural gas to dun my dryer, fireplace and space heater...will this detect any leaks from natural gas
Answer: Yes and it does a very good job. First thing I did was pop a battery in it and tested my gas stove. It detected no leaks. I turned the gas on ( w/o lighting it) and the thing went nuts. A loud rapid indicator tells you a lot of gas. Lower sounding less clicking indicator tells you less gasm very well made tool.
Question: Does it detect sewer gas
Answer: The manual lists the gasses it detects. Among them are hydrogen sulfide, ammonia, and methane. These are three of the main components of sewer gas, so I would say yes, this gadget does detect sewer gas. Also, I can verify that when I put the detector down any sink drain, the click rate increases.By the way, the manual does not say it detects "all types of gasses" as someone else claimed. That would be silly. Does it detect air? Air is a type of gas.
Question: Does CD100A detect Methane gas or sewer gas (toxic and nontoxic gases) produced and collected in sewage systems due to venting or other problems
Answer: It detects all the gasses listed in the description. You're body produces methane when belching and passing gas. It is a blast to test this capability. The detector will beep when even a slight amount of body gas oohs passed its way. It is very sensitive and must be dialed back for actual use.

Product features

Professional Features

Minimum detection 50 ppm methane.

18” ridged gooseneck to help access hard to reach areas.

Worklight in sensor cap illuminates the search area.

Adjustable audio and visual tic rate.

Headphone jack.

CD100A detects

Acetone, Industrial Solvents, Alcohol, Jet Fuel, Ammonia, Lacquer, Thinners. Benzene, Methane, Butane, Naphtha, Ethylene, Oxide, Natural Gas, Gasoline-Petrol, Propane, Halon, Hydrogen Sulfide and Toluene.

1-year limited warranty

The CD100A is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase.

Common Reasons for Gas Leak Detection:

Safety: Gas leaks can create a hazardous environment to personnel and property.

Dependability: Ensure equipment is operating to specification.

Fuel Efficiency: Don’t pay for fuel leaking from a system.

Gas Detector, Rechargeable Portable 4 in 1 Gas Clip 4-Gas Monitor Meter Tester Analyzer Sound Light Shock,2-Year Detector

Vzmcov

Based on 53 reviews Check latest price

Product description

Dear friend, Welcome to Vzmcov Gas Detector



This 4-in-1 detector is definitely the right choice to protect you and your family's health and property.

Vzmcov is a business company specializing in the development, production of gas detectors, All of our products are in high quality but very competitive price. Thank you for visiting!



Our multi-gas detector used advanced integrated circuit technology, embedded microcomputer control, high quality imported gas sensor, excellent sensitivity and excellent repeatability



Technical Parameter:

Gas Type Range

EX 0-100%LEL

H2S 0-100PPM

CO 0-1000PPM

O2 0-30%VOL



Applicable Occasions and Crowds: Robust for industrial use for utility workers, refinery workers, firefighters, maintenance engineers, those who spend time in sewers and waterworks,

underground storage tanks, oil rigs, in tanks and silos in the maritime industry, and many others who need personal protective equipment



Product Parameters:

Comes Factory Calibrated

Display Error: ≤±5% FS

Response Time: <30s

Working Environment: -20℃~50℃, <95%RH (no dew)

Power Source: DC3.7V Li-on battery, 1800mAh

Protection level: Ip65

Gas Sensor Life: 2 years

Protection Grade: IP65

Weight: 0.55 Ib (with battery)

Dimensions: 5.70 in×2.9 in ×1.2 in (L × W × H)

Weight: 215g

Charging time: 4h-6h Standby time, Continuous use for more than 10 hours at full charge

Indication mode: LCD display real-time data and system status, lighting, vibration and live voice recording (Chinese and English) tips



Packing list:



1 * Detector

1 * User manual

1 * USB cable

1 * plug



100% QA by real sensor and gas detector engineer

  • High Sensitive and Accurate Measurement:Handheld 4 gas detector with high quality imported gas sensor, excellent sensitivity and excellent repeatability, Comes FACTORY CALIBRATED. Open and use directly
  • Wide Application Easy Carrying Around:This gas monitor detector with compact size and unique clip design, Convenient for user to carry around, can widely used in petroleum,matallurgy,agricultrue,chemical industry, refining,fire prevention,effectively predicting as to ensure the safety of the environment
  • Dust-proof and explosion-proof,Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Battery included -- 4.2V rechargeable lithium battery powered and included in the package, long capacity 1800mAh battery for long continuous working time.Compact size and unique clip design, it is convenient for user to carry around.Higher Quality Lower Error,Made of high strength ABS and Anti-slip grip rubber.
  • Three Alarm Methods:The portable gas detector with human voice, Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Can accurately measure the gas concentration with easy-to-read number shown on the display.
  • 100% Satisfied Warranty:If you HAVE ANY QUALITY ISSUES OR NOT SATISFIED with our 4 gas detector, please CONTACT US BY EMAIL, we will give you well-done solution, RETURN or REPLACE a new one within 90 days

User questions & answers

Question: for the gasses monitored do they show real time measurements not just peak? like co2 ppm realtime
Answer: Manuel, thank you for your question regarding Ortho 0204810 WeedClear Weed Killer for Lawns Concentrate: Treats up to 64,000 sq. ft, Won't Harm Grass (When Used as Directed), Kills Dandelion & Clover, 1 gal, clear. Applications to St. Augustine or Buffalo grass may cause temporary yellowing or discoloration, but a full recovery can be expected.
Question: Is this I net compatible
Answer: Thank you for your question regarding Ortho WeedClear Weed Killer for Lawns. The WeedClear contains Dimethylamine Salt of 2,4-D, Acid 8.658%, Dimethylamine Salt of Mecoprop-p Acid..2.127% Dicamba Acid. The WeedBGon contains MCPA.....13.72% Triclopyr.....1.56% Dicamba.....1.35%. Please contact us at 866-324-9192 if there is anything else that we can help you with.
Question: will this unit detect natural gas as well as propane leaks during a home inspection
Answer: If it is listed on the extensive list on the inside label
Question: Are the sensors easily replaceable and available for purchase
Answer: Hope so. Kills alot of broad leaf weeds.

XLA Alert Portable Gas Detector, Gas Clip 4 Gas Monitor Meter Tester Analyzer, Rechargeable LCD Display Sound Light Shock Air Quality Tester, 2 Year Detector…

XLA Alert

Based on 82 reviews Check latest price

Product description

Dear friend, Welcome to XLA Air Gas Detector

This 4-in-1 detector is definitely the right choice to protect you and your family's health and property.

XLA Air is a business company specializing in the development, production of gas detectors, All of our products are in high quality but very competitive price. Thank you for visiting!



Our multi-gas detector used advanced integrated circuit technology, embedded microcomputer control, high quality imported gas sensor, excellent sensitivity and excellent repeatability



Applicable Occasions and Crowds:

Robust for industrial use for utility workers, refinery workers, firefighters, maintenance engineers, those who spend time in sewers and waterworks, underground storage tanks, oil rigs, in tanks and silos in the maritime industry, and many others who need personal protective equipment



Gas type Range Low alarm point High alarm point Resolution:

LEL: 0-100% with 1% resolution

O2: 0-30% with 0.1% resolution

CO: 0-1000 with 1ppm resolution

H2S: 0-100ppm with 1ppm resolution



Product Parameters:

Comes Factory Calibrated

Display Error: ≤±5% FS

Response Time: <30s

Working Environment: -20℃~50℃, <95%RH (no dew)

Power Source: DC3.7V Li-on battery, 1800mAh

Protection level: Ip65

Gas Sensor Life: 2 years

Protection Grade: IP65

Weight: 230g (with battery)

Dimensions: 140mm×73mm×32mm (L × W × H)

Weight: 215g

Charging time: 4h-6h Standby time, Continuous use for more than 10 hours at full charge

Indication mode: LCD display real-time data and system status, lighting, vibration and live voice recording (Chinese and English) tips



100% customer satisfaction. 100% QA by real sensor and gas detector engineer

  • High Sensitive and Accurate Measurement -- Handheld 4 gas detector with high quality imported gas sensor, excellent sensitivity and excellent repeatability, Comes FACTORY CALIBRATED. Open and use directly
  • Three Alarm Methods -- The portable voice type four-in-one gas detector Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging
  • Easy Carrying Around -- High density big digital LCD screen display real time gas concentation value; compact size and unique clip design, it is convenient for user to carry around, Chinese and English operation interface
  • Higher Quality Lower Error -- Made of high strength ABS and Anti-slip grip rubber. Waterproof, dust-proof and explosion-proof, Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options
  • 100% Satisfied Warranty -- If you have any issues or are not satisfied with our multi gas detector, please contact with us by email, we will give you well-done solution, Return or replace a new one within 90 days

User questions & answers

Question: Why is this model cost so much less than other multi-gas meters that sniff out h2s, o2, co, and lel
Answer: standard outdoor hose size 5/8
Question: Would this detect hydrocarbons in a vehicles coolant and give me a PPM number
Answer: I believe it would have to get mounted to the pole of the chain link fence.
Question: Is it intrinsically safe for explosive environments
Answer: i know this question was asked 5 years ago, but i had a similar question and only recently purchased and installed. the hose provided connects directly to a garden hose. no adapter needed. pretty slick system.
Question: Some of my clients require 6 month calibration with a certificate of calibration. Can you all send one every 6 months ? If so..what’s the turn around
Answer: Look on line at U-Line. They may have it

Block Tester BT-500 Combustion Leak Test Kit - Made in USA

Based on 978 reviews Check latest price

Product description

The Block Tester is a used to detect the presence of exhaust gases in an engine's cooling system, typically caused by a blown head gasket or cracked head or block. It comes complete with enough fluid to conduct 16 tests. There are no additional tools needed, and no need to tap into an engine vacuum source. Works with virtually any liquid-cooled internal combustion engine or generator with a closed cooling system including: gasoline, diesel, propane, natural gas and other alternative fuels. Large, single-chamber design provides greater accuracy and uses less test fluid.

  • Complete Combustion Leak Test Kit - Includes Fluid - Nothing More to Buy
  • When Fluid Turns From BLUE to YELLOW Combustion Leak is Present
  • Tests in seconds for combustion leaks caused by: Blown Head Gasket (BHG) Cracked Head or Block Pulled Bolts or Studs Warped Sealing Surfaces
  • Quality Tool Made in USA for over 45 years with Limited Lifetime Warranty
  • Packaged in OEM white box

User questions & answers

Question: Does the engine have to be running to work or can we turn the engine over and over to test. will not start, we want to be certain of HG before scrap
Answer: Hello, of course.And you can also detect oxygen, hydrogen sulfide.Please feel free to use.
Question: Can it be use for diesel fuel engine
Answer: Hello, no need to replace and purchase separately.
Question: How do i clean the the tube after use. Does any tester fluid leak into coolent while testing
Answer: No reason it shouldn't. To test it, take your schrader cap and try it on another car/vehicle with a schrader valve. If it fits, they are the same.
Question: Can this be used to diagnose an exhaust leak
Answer: All tests need to be fixed.
Question: How sensitive is gas leak detector? Do I have to calibrate it first by setting the alarm to normal background air
Answer: sensitivity:Variable,minimum 50 ppm (methane), warm-up time
Question: Will the gas leak pickup detection of heavier HC gases found in petroleum crude gas such as toluene, benzine, naphthalene and hydrogen sulfide
Answer: Yes, just turn on and set the dial to how sensitive you want the tester to be.
Question: how long does the battery use
Answer: 3*1.5V AA battery operation, after the automatic warm up,when the sensor of the instrument detected vaporous &gas form combustible compound ,the signal variate as the increase tick rate with LED will light up to located the combustible leaks .
Question: Will this product detect sewer gas emanating from pipes in a home with no p traps
Answer: Not sure

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