Hydrogen sulfide alarm Detector

Hydrogen sulfide alarm detectors measure the concentration of hydrogen sulfide gas in the air using electrochemical sensors and emit audible and visual alarms when the concentration exceeds a preset threshold. They are used in places such as petrochemical plants and wastewater treatment facilities, where there is a risk of hydrogen sulfide leakage, to ensure personnel safety.
Selection
When selecting, consider that the detection range covers the concentration in the working environment, the response time meets safety requirements, explosion-proof certification is suitable for hazardous areas, sensor lifespan and calibration cycles align with maintenance plans, and the display is clear for easy data reading.

Terms

Standards

Instruments

Electrochemical sensor, Measurement range 0-100ppm, resolution 1ppm, Response Time less than 30 seconds, explosion-proof structure design to ensure safe and reliable operation.

$ 193.00

Can simultaneously detect four gases, Electrochemical sensor, Response Time instant, alarm sound up to 80 decibels, operation temperature range -10~ 50 ℃, portable design weighs only 360 grams.

$ 241.00

It can simultaneously detect 4 kinds of gases and integrate temperature Humidity monitoring, adopts dual temperature Humidity compensation design, supports diffusion and pump suction Sampling method, has a 10-Meter visual distance color screen and a variety of wireless communication options, and the Protection Rating is IP66.

$ 323.00

Electrochemical sensors imported, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with intrinsically safe circuit design and explosion-proof certification, support a variety of signal output and remote monitoring functions.

$ 296.00

Adopt MCU chip to achieve low power consumption operation, detection error ≤ +/- 3% F. S, Response Time ≤ 30 seconds, support 4-20mA/RS485/switch output, can be operated by remote control without opening the lid, with local sound and light alarm and remote monitoring capabilities.

$ 202.00

Electrochemical sensor, Response Time ≤ 15 seconds, with 6000 alarm record query function, super high waterproof design, support sound and light vibration triple alarm, Sensor life 2 years.

$ 146.00

Fast Response with Diffusion Pneumatic Design, High definition Color Screen and Four Alarm modes, Support Wireless Communication and IP66 Protection Rating, detection range 0~ 500ppm, battery life 12-55 hours.

$ 254.00

Electrochemical sensor, range 0~ 100ppm, with automatic zero correction and temperature compensation function, support 4~ 20mA and RS485 output, suitable for dangerous places 1 and 2 zones.

$ 172.00

Electrochemical sensor, high detection accuracy, Response Time less than 60 seconds. With IP65 waterproof level, support vibration, sound and light triple alarm, built-in 1500mAh lithium battery can work continuously for more than 8 hours.

$ 145.00

Electrochemical sensor technology, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with intrinsically safe circuit design and explosion-proof certification, support a variety of signal output interfaces, automatic tracking zero point to prevent drift, adapt to -30~ 50 ℃ working environment.

$ 361.00

Electrochemical sensors imported, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with explosion-proof certification and a variety of signal output interfaces, support remote monitoring and automatic Zero tracking, suitable for hazardous environments.

$ 682.00

Electrochemical sensor principle, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with Intrinsic Safety (IS) design and automatic Zero tracking function, support a variety of signal output and remote monitoring.

$ 361.00

Electrochemical sensors imported, detection accuracy +/- 2% F. S, Response Time less than 10 seconds, with intrinsically safe circuit design and explosion-proof certification, support a variety of signal output and remote monitoring, strong anti-interference ability.

$ 682.00

The device supports simultaneous detection of 4 gases and integrates temperature and Humidity monitoring, adopts physical + software double repetition Humidity compensation, Response Time T90 ≤ national standard, has a variety of wireless communication options and remote paraMeter configuration functions, and is suitable for complex industrial environments.

$ 716.00

Electrochemical sensor, range 100ppm, Response Time T90 ≤ 60 seconds, with flameproof design suitable for dangerous areas, support 4~ 20mA output and RS485 digital output, infrared remote control debugging is safe and convenient.

$ 162.00