Intrinsically Safe Fixed Gas Detectors FGD3 Series

For detection of Flammable (Hydrocarbon) gases, Toxic Gases and Oxygen

The FGD3 series gas detectors are powered from an intrinsically safe dc power supply and provide an industry standard 4 to 20mA output signal.

They are fitted with a single gas Infrared, Catalytic or Electrochemical sensor for the detection of either Flammable (Hydrocarbon) gases, Toxic Gases or Oxygen according to the type of sensor fitted.

Intrinsically Safe Ammonia Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Standard ranges 0-100ppm or 0-1000ppm Ammonia NH3.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display. Single operator calibration.

Intrinsically Safe Carbon Dioxide Fixed Gas Detector FGD3-IR Series

Using Infrared Gas Sensor Technology

Features

Standard ranges available are 0-2%, 0-5% or 0-100% volume Carbon Dioxide, CO2.
Plug-in, separately certified infrared Ex d sensor.
Suitable for use in Zones 1 and 2 hazardous areas.
Three wire connection.
8 to 24 volt dc operation (also requires an additional supply of 5.8 to 7.5 volts dc to power the sensor).
Industry standard 4 to 20mA output.
Digital display
Single operator calibration.
Marine version available.
Optional weather guard available.

Intrinsically Safe Carbon Monoxide Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Standard range 0-500ppm, other ranges available up to 0-1000ppm Carbon Monoxide, CO.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.

Intrinsically Safe Chlorine Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Range 0-20ppm Chlorine Cl2.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display. Single operator calibration

Intrinsically Safe Flammable (incl. Hydrogen) Fixed Gas Detector FGD3 Series

Using Catalytic (Pellistor) Gas Sensor Technology

Features

Sensors available for the detection of Hydrocarbon gases or Fuels.
Detects a wide range of Hydrocarbon gases and Hydrogen.
Sensors available for either 0-100% LEL or 0-100% volume gas.
Suitable for use in Zones 1 and 2 hazardous areas.
Three wire connection.
8 to 24 volt dc operation (also requires an additional supply of 4 to 7 volts dc to power the sensor).
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.
Optional weather guard available.

Intrinsically Safe Flammable Fixed Gas Detector FGD3-IR Series

Using Infrared Gas Sensor Technology

Features

Detects a wide range of Hydrocarbon Gases.
May be purchased pre-calibrated for an alternative target gas such as Ethane, Propane, Butane, Pentane etc.
Standard range, 0-100% LEL (Lower Explosive Limit) or 0-100% volume, pre-calibrated for Methane (CH4).
Plug-in, separately certified infrared Ex d sensor.
Suitable for use in Zones 1 and 2 hazardous areas.
Three wire connection.
8 to 24 volt dc operation (also requires an additional supply of 5.8 to 7.5 volts dc to power the sensor).
Industry standard 4 to 20mA output.
Digital display
Single operator calibration.
Marine version available. Optional weather guard available.

Intrinsically Safe Hydrogen Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Standard range 0-100% LEL (Lower Explosive Limit) Hydrogen Gas Detector, H2.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.
Marine version available.
Optional weather guard available.

Intrinsically Safe Hydrogen Chloride Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Standard range 0-30ppm Hydrogen Chloride, HCl.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display. Single operator calibration.

Intrinsically Safe Hydrogen Cyanide Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Standard range 0-30ppm Hydrogen Cyanide, HCN.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.

Intrinsically Safe Hydrogen Sulphide Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Standard range 0-50ppm, other ranges available up to 0-200ppm Hydrogen Sulphide, H2S.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display. Single operator calibration.

Intrinsically Safe Methane Fixed Gas Detector FGD3-IR Series

Using Infrared Gas Sensor Technology

Features

Standard range, 0-100% LEL (Lower Explosive Limit) or 0-100% volume, pre-calibrated for Methane (CH4).
Detects a wide range of other Hydrocarbon Gases.
Plug-in, separately certified infrared Ex d sensor.
Suitable for use in Zones 1 and 2 hazardous areas.
Three wire connection.
8 to 24 volt dc operation (also requires an additional supply of 5.8 to 7.5 volts dc to power the sensor).
Industry standard 4 to 20mA output.
Digital display
Single operator calibration.
Marine version available. Optional weather guard available.

Intrinsically Safe Nitric Oxide Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Range 0-100ppm Nitric Oxide, NO.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.

Intrinsically Safe Nitrogen Dioxide Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Range 0-20ppm Nitrogen Dioxide, NO2.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display. Single operator calibration.

Intrinsically Safe Oxygen Deficiency Fixed Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Range 0-21% Oxygen, O2. Note - the instrument must not be used in an oxygen enriched atmosphere.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.
Marine version available. Optional weather guard available.

Intrinsically Safe Sulphur Dioxide Fixed Gas Detector FGD3 Series

Using Electrochemical Gas Sensor Technology

Features

Range 0-20ppm Sulphur Dioxide SO2.
Suitable for use in Zones 1 and 2 hazardous areas.
Two wire connection.
8 to 24 volt dc operation.
Industry standard 4 to 20mA output.
Digital display.
Single operator calibration.