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 Benzene (C6H6) Gas Detector, 0 to 50/200/10000 ppm

GD300-C6H6

SISCO fixed benzene gas detector with a wide range of detection options (0-1ppm, 0-10ppm, 0-50ppm, 0-100ppm, 0-200ppm, 0-1000ppm, 0-2000ppm, 0-5000ppm, 0-10000ppm), is designed for real-time monitoring of benzene concentrations in industrial environments. This fixed gas detector has a high-precision sensor, providing fast and stable readings. When the benzene concentration exceeds the preset threshold, it triggers visual and audible alarms.

$1,765.79

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 Chlorine (CL2) Gas Detector, 0 to 20/50/100ppm

GD300-CL2

SISCO fixed chlorine gas detector with multiple measurement ranges available — 0 to 5 ppm, 0 to 10 ppm, 0 to 20 ppm, 0 to 50 ppm, and 0 to 100 ppm, you can select the appropriate configuration to meet the specific safety requirements of your workplace. This flexibility ensures that the detector provides the right sensitivity for both low and high concentration scenarios.

$608.44

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 Nitric Oxide (NO) Gas Detector, 0 to 100/500/1000 ppm

GD300-NO

SISCO highly accurate fixed nitric oxide gas detector with a wide range of measurement capabilities — 0 to 1ppm, 0 to 5ppm, 0 to 10ppm, 0 to 20ppm, 0 to 50ppm, 0 to 100ppm, 0 to 250ppm, 0 to 500ppm, and 0 to 1000ppm. This gas detector ensures reliable readings even at low concentrations, is ideal for detecting both low and high concentrations of NO gas.

$689.99

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 Nitrogen Dioxide (NO2) Gas Detector, 0 to 10/100/500/1000 ppm

GD300-NO2

The fixed nitrogen dioxide (NO₂) gas detector is engineered for reliable, real-time monitoring of NO₂ concentrations. Designed with versatility and precision in mind, it offers multiple measurement ranges to suit your needs, from 0–1 ppm to 0–1000 ppm. Whether you’re monitoring low-level exposure or high-concentration environments, this detector provides the accurate readings necessary to safeguard health and ensure operational safety.

$734.87

Fixed Nitrogen Oxides (NOX) Gas Detector, 0 to 10/50/500/1000 ppm

GD300-NOX

SISCO fixed nitrogen oxides (NOX) gas detector is a highly accurate and durable solution for monitoring NOX gas concentrations in various environments. Available in multiple detection ranges, including 0 to 10 ppm, 0 to 50 ppm, 0 to 500 ppm, and 0 to 1000 ppm, this gas detector ensures precise and reliable measurement of nitrogen oxides, providing real-time data for safety, compliance, and operational efficiency.

$781.59

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 Phosphine (PH3) Gas Detector, 0 to 100/500/3000 ppm

GD300-PH3

The fixed phosphine detector supports a wide range of measurement options, including 0-10ppm, 0-20ppm, 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-2000ppm, and 0-3000ppm, making it adaptable to different industries such as agriculture, fumigation facilities, semiconductor manufacturing, and chemical processing.This highly reliable detector helps safeguard personnel and assets by promptly identifying dangerous PH₃ concentrations.

$779.89

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.