Hydrogen Sulfide Toxic Gas Alarm

A hydrogen sulfide toxic gas alarm detects the concentration of hydrogen sulfide gas in the environment through an electrochemical sensor. When the gas comes into contact with the sensor, it generates an electrical signal, which is processed by the circuit to trigger audible and visual alarms. It is used in places such as petrochemical plants and wastewater treatment facilities where there is a risk of hydrogen sulfide leakage, ensuring personnel safety.
Selection
Ensure the detection range covers 0-100 ppm with a resolution of 1 ppm when selecting. Pay attention to sensor lifespan and calibration cycle, prioritizing products with explosion-proof certification. Consider the compatibility of the installation method with the on-site environment, and check the alarm volume and display clarity. Regularly test the response speed and stability.

Terms

Standards

Instruments

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

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

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

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

Two-channel split design supports multi-point centralized control, with 4-20mA signal input and two-level alarm settings, microprocessor to ensure accurate monitoring, relay output can drive external equipment linkage, Operating temperature range -10~ 50 ℃.

$ 140.00

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

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, high detection accuracy and adjustable range, with automatic zero correction and temperature compensation function, support 4~ 20mA output and RS485 communication, infrared remote control adjustment is convenient and safe, suitable for dangerous areas.

$ 172.00

Using industrial grade Sensor, Response Time less than 30 seconds, accuracy of +/- 3% FS, with 4-20mA and RS485 signal output, shell die-cast aluminum material to meet the requirements of explosion protection, suitable for a variety of harsh environments.

$ 177.00

Electrochemical sensor, detecting phosphating hydrogen gas, range 0-20ppm, resolution 0.1ppm, with sound, light, vibration triple alarm, IP65 Protection Rating, suitable for harsh environments.

$ 235.00

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

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

Supports 4-20mA signal input, compatible with two-wire and three-wire devices, provides 6 passive switches and RS485 interfaces, with two-level alarm settings, operating temperature 0-40 ℃, suitable for gas safety detection.

$ 212.00

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, range 0~ 100ppm, with automatic zero correction and temperature compensation function, support infrared remote control debugging and flameproof design, suitable for dangerous areas.

$ 146.00