Fixed Gas Detectors

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Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm

GD300-NH3

Fixed ammonia gas detector with sound and light alarm and real-time display, can detect the concentration of NH3 with measuring range of 0 to 50/100/200 ppm. NH3 detector is available with signal output 4-20mA & RS485, high accuracy and high reliability.

$754.13

Fixed Carbon Dioxide (CO2) Gas Detector, 0 to 1000/2000/5000 ppm

GD300-CO2

Fixed CO2 gas detector is used for carbon dioxide detection. Measuring range 0-1000/2000/5000/9999 ppm and 0-1%/ 0-5%/ 0-100% VOL for selection, remote control output signal 4-20mA and RS485, online monitor CO2 concentration and sound & light alarm, 24h work and real-time display, high accuracy 3% F.S, fast response within 10s.

$757.85

Fixed Carbon Monoxide (CO) Gas Detector, 0 to 100/500/1000/2000 ppm

GD300-CO

Fixed CO gas detector is an online gas monitor with remote control for carbon monoxide detection, selectable measuring range 0-100ppm, 0-500ppm, 0-1000ppm or 0-2000ppm. CO gas detector has signal output 4-20mA and RS485. Compact design, fast response, high accuracy 3% F.S, 24h work and real-time display.

$486.77

Fixed Combustible Gas Detector, 0 to 100% LEL

GD300-EX

Combustible gas detector is a fixed gas monitor to detect the flammable gas leakage with the sound and light alarm. sisco fixed gas detector with real-time display and remote control, is available with signal output 4-20mA and RS485, fast response and high accuracy.

$526.67

Fixed Ethylene (C2H4) Gas Detector, 0 to 50/100/500/1000/2000 ppm

GD300-C2H4

C2H4 ethylene fixed gas detector with alarm light is a kind of monitoring gas concentration in different kinds of situations or pipelines 24h continuously wall mounted type gas detector. Powered by 24V DC, with 4-20mA, RS485, relay signal output.

$1,189.99

Fixed Formaldehyde (CH2O) Gas Detector, 0 to 10/20/50/100 ppm

GD300-CH2O

Formaldehyde CH2O gas detector is a fixed type gas online monitor, with detecting range of 0 to 10/20/50/100 ppm, output signal 4-20mA and RS485, fast response within 10s. CH2O gas detector with sound and light alarm, has 24-hour real-time display and infrared remote control, high accuracy and reliability.

$727.08

Fixed Hydrogen (H2) Gas Detector, 0 to 1000/2000/5000 ppm

GD300-H2

Fixed hydrogen gas detector with measuring range 0-1000/2000/5000 ppm, supports remote control with output signal 4-20mA and RS485, H2 gas leak detector for hydrogen concentration detecting with sound & light alarm, fixed design, compact structure and high accuracy 3% F.S.

$634.77

Fixed Hydrogen Chloride (HCL) Gas Detector, 0 to 10/20/50/100/200 ppm

GD300-HCL

Fixed HCL hydrogen chloride gas detector with measuring range of 0 to 10/20/50/100/200 ppm, powered by 4-20mA and RS485, relay signal output available. Fixed detector with alarm light is a 24h continuously wall mounted type gas detector which can detect HCL in different kinds of situations.

$1,062.99

Fixed Hydrogen Cyanide (HCN) Gas Detector, 0 to 10/20/50/100 ppm

GD300-HCN

HCN hydrogen cyanide fixed gas detector, measuring range from 0 to 10/20/50/100 ppm, powered by 24V DC, with 4-20mA, RS485, relay signal output, with alarm light is a kind of monitoring gas concentration in different kinds of situations or pipelines 24h continuously wall mounted type gas detector.

$1,126.99

Fixed Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/200 ppm

GD300-H2S

sisco fixed H2S gas detector is 24 hours online monitor to detect the hydrogen sulfide and has sound and light alarm with measuring range from 0 to 50/100/200 ppm. Hydrogen sulfide detector with optional output signal 4-20mA and RS485, has real-time display and infrared remote control, high accuracy and reliability.

$486.77

Fixed Methane (CH4) Gas Detector, 0 to 100% LEL

GD300-CH4

sisco fixed methane gas detector with measuring range 0-100% LEL, resolution 1% LEL, optional output signal 4-20mA and RS485, high accuracy 3% F.S. CH4 gas detector detects and monitors methane concentration 24 hours online, with sound and light alarm, real-time display and remote control.

$2,093.23

Fixed Nitrogen (N2) Gas Detector, 0 to 100% Vol

GD300-N2

Fixed nitrogen gas detector with measuring range 0-100% Vol, supports remote control, optional output signal 4-20mA and RS485. N2 gas detector for nitrogen concentration detecting and leak monitor, high accuracy 3% F.S, fast response within 10s, sound and light alarm, 24h online, real-time display, wall mounting.

$742.46

Fixed Oxygen (O2) Gas Detector, 0 to 30% Vol

GD300-O2

Fixed O2 gas detector for detecting oxygen concentration with measuring range 0-25% or 0-30% Vol. Oxygen gas detector with output signal 4-20mA and RS485, has sound and light alarm, real-time display, remote control, high accuracy 3% F.S.

$434.77

Fixed Ozone (O3) Gas Detector, 0 to 5/10/20/50/100 ppm

GD300-O3

Ozone gas detector for O3 gas detection, available measuring range of 0-1/5/10/20/50/100 ppm. O3 gas concentration detector is fixed mounting gas monitor with sound and light alarm by remote control, output signal 4-20mA and RS485, high accuracy 3% F.S, fast response within 10s.

$869.43

Fixed Sulfur Dioxide (SO2) Gas Detector, 0 to 20/50/100 ppm

GD300-SO2

SO2 sulfur dioxide fixed gas detector powered by 24V DC, with 4-20mA, RS485, relay signal output. Sulfur dioxide gas monitor with alarm light is a 24h continuously wall mounted type gas detector which can detect SO2 in different kinds of situations, measuring range from 0 to 20/50/100 ppm available.

$935.99

Fixed VOC Gas Detector, 0 to 100/500/1000/5000/10000 ppm

GD300-VOC

SISCO high precision VOC detector with a wide detection range of 0 to 0 1/5/10/20/50/100/200/500/1000/2000/5000/10000ppm, ensures comprehensive coverage from low-level to high-concentration VOCs. The gas monitor's durable construction and IP65-rated housing ensure long-term reliability in harsh environments, making it an ideal choice for industries such as petrochemicals, pharmaceuticals, and electronics manufacturing.

$1,765.79

Fixed gas detector is an online gas monitor to detect the concentration of leak gases in one area. Fixed gas detectors are widely used in the industries like refineries, pharmaceutical manufacturing, chemical plants, waste-water treatment etc., which are play an important role in safety system to safeguard people and animal’s life.

sisco.com offers high accuracy and reliability fixed gas detectors to monitor gas leak or concentration of Ammonia (NH₃), Hydrogen Sulfide (H₂S), Methane (CH₄), Hydrogen (H₂), Nitrogen (N₂), Oxygen (O₂), Ozone (O₃), Carbon Dioxide (CO₂), Hydrogen Chloride (HCL), Formaldehyde (CH₂O), etc. in different applications or environments. Wide measuring ranges available.