This manual introduces the safety information, general information, specifications, infrared detection principles, installation, calibration, operation and maintenance, troubleshooting and spare parts of the GDS-IR infrared sensor.
This manual provides instructions for safely installing, calibrating, operating, and maintaining the GDS-IR infrared sensor. It covers safety precautions, technical specifications, installation guidelines, calibration procedures, and troubleshooting. The sensor detects various hydrocarbon gases and CO2 using infrared absorption technology and outputs a 4-20mA signal. It is designed for use in hazardous environments and requires qualified personnel for operation and servicing.
The manual includes detailed diagrams, component specifications, and maintenance tips, such as avoiding upside-down mounting, protecting from moisture, and regular calibration checks. It also lists compatible gases and temperature ranges, and provides dimensions and spare parts information for the sensor unit.
| Model | GDS Corp Infrared Sensor for Combustible Gases and CO2 |
|---|---|
| Power Input | 18 to 36V DC; power consumption less than 5 watts max. |
| Output | 4-20 mA (current source) max.1000 ohm load at 24 VDC supply voltage |
| Accuracy | ± 3% of full scale (typical) at < 50% of scale; ± 5% of full scale > 50% of scale |
| Response Time | T50 < 5 seconds, T90 < 10 seconds |
| Temperature Range | Electronics -40°C to +70°C; Extended version -40°C to +90°C |
| Housing | Junction box epoxy-coated aluminum, sensor head 316 stainless steel |
| Approvals | CSA Class 1, Division 1, Groups B, C and D Explosion Proof with flame arrestor |
| Warranty | Five years |
It detects methane, propane, ethane, ethylene, ethylene oxide, hexane, diesel, gasoline, Jet A, methanol, butane, hexane, carbon dioxide and others.
The T50 response time is less than 5 seconds and the T90 is less than 10 seconds.
It should be mounted facing down or at most a 90° angle from vertical; do not mount it facing up.
It provides a 4-20 mA current source output, compatible with 4-20mA inputs.