Room CO2 Sensors

GS-CDR Series

The GS-CDR Series are room carbon dioxide gas detectors. These devices provide precision measurement of CO2 gas.

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Duct CO2 Sensors

GS-CDD Series

The GS-CDD Series are duct carbon dioxide gas detectors. These devices provide precision measurement of CO2 gas.

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In-Duct CO2 Sensors

GS-TR9291 Series

The GS-TR9291 sensors are quality-engineered CO2 transmitter targeted at applications where a dependable CO2 sensor is required that never needs calibration.

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Outdoor CO2 Sensors

GS-CDO Series

The GS-CDO Series are outdoor carbon dioxide gas detectors. These devices provide precision measurement of CO2 gas. The CO2 transmitter uses Non-Dispersive Infrared Technology (NDIR) to monitor CO2 levels and outputs a linear 4-20mA, 0-5Vdc or 0-10Vdc signal. Options include a control relay and a temperature sensor.

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Duct Temperature, Relative Humidity & CO2 Sensors

GS-CDHTD Series

The GS-CDHTD Series are duct temperature and relative humidity CO2 detectors. They use a highly accurate and reliable non-dispersive infrared (NDIR) sensor to monitor CO2, a precision thermistor to monitor temperature and a thermoset polymer based capacitance sensor to measure humidity level.

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Basic CO Sensors

GS-CMB Series

The GS-CMB Series are carbon monoxide gas detectors. They use an electrochemical sensor for reliability and accuracy in even the most critical applications. The standard product features a 2-wire loop-powered output. Optionally, the device may be configured with an alarm relay which operates in 3-wire sourcing mode and/or with Modbus communications.

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Advanced CO Sensors

GS-CMA Series

The GS-CMA Series are carbon monoxide gas detectors. They use an electrochemical sensor to monitor the carbon monoxide level and output a field-selectable 4-20 mA, 0-5 or 0-10 Vdc. The sensing range and output may be scaled to either 100, 150, 300, 400 or 500 ppm via the on-board menu.

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Electrochemical Gas Transmitters

GS-TR3210 Series

The GS-TR3210 Series are high accuracy, electrochemical gas transmitters that can be factory configured to measure chlorine, oxygen, or nitrogen dioxide.

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Catalytic Bead Combustible Gas Detectors

GS-TR5000 Series

The GS-TR5200 is a high-accuracy catalytic bead gas sensor/transmitter that can be used to detect LEL (Lower Explosive Limit) concentrations of a wide range of combustible gases. Transmitters can be factory-calibrated to the specific combustible gas of interest.

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Duct Smoke Detectors

GS-SDD Series

The GS-SDD Series Smoke Detector are the latest innovation for early detection of smoke and products of combustion present in air moving through HVAC ducts in commercial, industrial and residential application. The GS-SDD Series, 4-wire duct housing will accommodate either the ionization sensor or the photoelectronic sensor.

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Room Air Quality Sensors

GS-AQR Series

The GS-AQR, Indoor Air Quality Sensor Series uses an advanced MEMS metal oxide semiconductor sensor to detect poor air quality. The sensor reacts quickly to detect a broad range of VOCs such as smoke, cooking odors, bio-effluence, outdoor pollutants and from human activities.

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Duct Air Quality Sensors

GS-AQD Series

The GS-AQD, Indoor Air Quality Sensor uses an advanced MEMS metal oxide semiconductor sensor to detect poor air quality. The sensor reacts quickly to detect a broad range of VOCs such as smoke, cooking odors, bio-effluence, outdoor pollutants and from human activities.

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Gas Detector and Control System

GS-5000 Series

The GS-5000 series of gas detectors are designed to continuously send gas measurements to programmable logic devices, ventilation controls and computers.

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