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Loop Powered Safe Area Gas Detectors - FGD4

Updated:2025-03-13

Brand: PST/Status Scientific
Model: FGD4
Description: The FGD4 series of gas detectors are powered from an 8 to 24 volts dc power supply using the industry standard 4 to 20mA two-wire current loop to transmit the gas level to a separate control panel suc
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Product Details

Loop Powered Safe Area Gas Detectors - FGD4 Description：

Datasheet

Toxic Gas Detection with IR and Electrochemcial Gas Sensors

Features

Competitively priced for use in non-hazardous areas only

8 to 24 volt dc operation

Industry standard 4 to 20mA output

Plug-in sensor

MOptional plug-in handheld configuration unit

The FGD4 series of gas detectors are powered from an 8 to 24 volts dc power supply using the industry standard 4 to 20mA two-wire current loop to transmit the gas level to a separate control panel such as the Status Scientific Controls LC Series. The Carbon Dioxide version uses Infrared gas detection technology and requires a third connection to power the infrared sensor.

Typical examples of their use are in water purification processes, food preparation and/or storage, car parks, swimming pools, medical applications.

Specifications

Material	Bayblend (ABS and Polycarbonate blending)
Cable entry	1 x 20mm or ?” NPT or ?” NPT
Weights	FGD4 (excluding weatherguard) – 500grams Weatherguard – 225 grams
Gas Types	Oxygen Toxic
Input voltage	8 to 24 volts dc
Input power	5 Watts maximum
Internal fuse	1 Amp antisurge 'Nanofuse'
Analogue output	4 to 20mA (10 bit resolution)
Sensor Types	NDIR Infrared or Electrochemical
Measurement range	Dependent upon sensor type
Response time	Toxic and Oxygen sensor response times vary according to the sensor type.
Measurement resolution	Toxic gases - 0.1ppm for FSD < 50ppm, 1ppm for FSD> 50ppm Oxygen - 0.1% volume
IP rating	Enclosure IP66, Sensor IP65
Operating Temperature	-20 to +60℃
Humidity Range	Oxygen - 0 to 99% RH non-condensing Toxic - 15 to 95% RH non-condensing Infrared – 0 to 95% RH non-condensing
Operating Pressure	Ambient + or - 10%