Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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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% |
Suitable Applications
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