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FGD10A / FGD10A-M Flameproof Fixed Gas Detectors

Updated:2025-03-13

Brand: PST/Status Scientific
Model: FGD10A / FGD10A-M
Description: Flameproof Fixed Gas Detectors are used in Potentially Explosive Atmospheres where, due to the nature of the environment or the industrial process taking place, there is the risk of an incendive spark
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Product Details

FGD10A / FGD10A-M Flameproof Fixed Gas Detectors Description：

Datasheet

Detection of Hydrocarbon, Hydrogen or Toxic Gases

Features

Certified Ex d IIC to IECEx and ATEX

FGD10A is fitted with 3 control relays

Menu operates via a magnetic pen eliminating the need to open the flameproof enclosure

Industry standard 4 to 20mA output (3-wire)

FGD10A-M has OLED display and RS 485 Modbus communications

Flameproof Fixed Gas Detectors are used in Potentially Explosive Atmospheres where, due to the nature of the environment or the industrial process taking place, there is the risk of an incendive spark from electrical apparatus causing an explosion to occur and the organisation responsible for the safety of the area requires that electrical equipment be enclosed within a flameproof enclosure (also known as an FLP, Ex d or explosion-proof enclosure).

Examples are the oil, gas and chemicals industries.

They can be supplied either in cast aluminium (standard type) or grade 316 stainless steel (suffix '-SS').

The detectors are fitted with a single sensor that can be an Infrared Sensor, for the detection of Hydrocarbon gases or Carbon Dioxide, a 'Pellistor' Catalytic Sensor for detection of both Hydrocarbon gases and Hydrogen or an Electrochemical Sensor for the detection of specific toxic gases and oxygen.

Specifications

Material	Instrument Body – Aluminium Pressure Die Casting or Stainless Steel 316 Sensor Insert – Stainless Steel Grade 316 IR Sensor Housing – Stainless Steel Grade 303 (Grade 316 available) Magnetic Pen – Stainless Steel Grade 316 Optional Weatherguard – Stainless Steel Grade 304 & Nylon 66
Cable entry	2 x 20mm or ?” NPT or ?” NPT
Weights	FGD10A Oxygen, Toxic, Pellistor (excluding weatherguard) – 1.75Kg FGD10A Infrared 2Kg Magnetic Pen – 60 grams Weatherguard – 225 grams
Gas Types	Oxygen Toxic Flammable Note: Infrared sensors have no response to Hydrogen
Input voltage	12 to 24 volts dc
Input power	5 Watts maximum
Internal fuse	1 Amp antisurge 'Nanofuse'
Relay contact rating	3 Amps, 300 Volts ac
Analogue output	4 to 20mA (10 bit resolution)
RS232 output	Communications with PC at 19200 baud
Sensor types	NDIR Infrared, Electrochemical or Pellistor
Measurement range	Dependent upon sensor type
Response time	Sensor response times vary according to the sensor type.
Measurement resolution	Flammable gases - 1% LEL or 1% volume Toxic gases - 0.1ppm for FSD < 50ppm, 1ppm for FSD> 50ppm. Oxygen - 0.1% volume.
IP rating	Enclosure IP68, Sensor IP65
Display	4 Digit, 7 segment liquid crystal
Keypad	4-Button magnetically operated
Software	Software configuration provided via LCD display
Operating temperature	Dependent upon sensor but typically - 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 Pellistor - 0 to 95% RH non-condensing
Operating Pressure	Ambient + or - 10%
Hazardous Area Certification
Certificate Numbers	IECEx SIR 08.0009X, Code Ex d IIC SIRA 08ATEX1031X, Code Ex d IIC
Standards	IEC 60079-0 : 2004 (Edition 4) IEC 60079-1 : 2007-04 (Edition 6) EN 60079-0:2018 EN 60079-1:2014 EN50270:2006
Temperature Codes	T4 (Ta -20 to +60 deg C) T5 (Ta -20 to +50 deg C) – not applicable to infrared versions T6 (Ta -20 to +35 deg C) - not applicable to infrared versions
Zones	1 & 2