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Input: 16V ~ 32V DC (24V DC nominal)
Outputs: 3 Relays, 1 4–20 mA Analog Output, 1 Modbus Output
Compliance: ATEX, IECEx Certified (Zone 1, Zone 2)
IP65 Water and Dust Resistance
Durable Aluminum Housing
Optional Stainless Steel Housing
Cutting-Edge Technology in Gas Detection
GDSFX Catalytic Fixed Gas Detectors are setting a new standard in industrial safety by offering superior sensitivity and reliability in the detection of flammable gases. The GDSFX Catalytic series of devices uses catalytic sensor technology to detect leaks of various flammable gases, such as methane, propane, and hydrogen. These sensors feature a catalyst surface where flammable gases react with oxygen, and they use the temperature difference generated by this reaction to quickly and accurately detect gases that pose a fire hazard.
Thanks to its LCD screen, it provides users with real-time gas readings, device status, and alarm information in a clear and easy-to-understand manner. The screen’s user-friendly interface allows for easy configuration of device settings and alarm limits. Modbus RS485 communication capabilities enable the detector to be integrated into control systems and monitored remotely, allowing facility staff to easily monitor multiple detectors from a central location.
GDSFX Catalytic Gas Detectors are designed to deliver high performance and durability in potentially explosive and hazardous industrial environments. The device increases operational efficiency and reduces maintenance costs by minimizing the need for calibration through its embedded software. These features are of vital importance, particularly in high-risk areas such as petrochemical plants, the paint industry, and flammable liquid and gas storage facilities.
| Supply Voltage | 24 VDC ± 25% |
| Measurement Range | 0 – 100% LEL |
| Resolution | 1% of the detection range |
| Response Time | < 10 seconds |
| Sensor Type | Catalytic Pelistor |
| Analog Output | 4–20 mA |
| Digital Outputs | 3-Contact Relay (NO or NC), RS-485 Modbus |
| Working Conditions | Temperature: -20/+60°C Pressure: 86–106 kPa Humidity: 95% RH |
| Weight | 2.55 kg |
| Body | Aluminum (Optional Stainless Steel) |
| Sensor Capsule | Stainless Steel |
| ATEX Class | II 2G Ex d IIC T6 Gb |
| IP Protection Rating | IP65 (IP66 with optional accessory) |
| Warranty Period | 3 Years |
| Order Code | Gas Name | Formula |
| GDSFXC43L0100 | Methyl ethyl ketone | C4H8O |
| GDSFXC38L0100 | Propylene | C3H6 |
| GDSFXC37L0100 | Styrene | C8H8 |
| GDSFXC36L0100 | Methanol | CH3OH |
| GDSFXC34L0100 | Ethyl acetate | C4H8O2 |
| GDSFXC33L0100 | Ethanol | C2H5OH |
| GDSFXC32L0100 | Cyclopentane | C5H10 |
| GDSFXC31L0100 | Cyclohexane | C6H12 |
| GDSFXC30L0100 | Acetone | C3H6O |
| GDSFXC29L0100 | Acetic Acid | C2H4O2 |
| GDSFXC28L0100 | Acetylene | C2H2 |
| GDSFXC27L0100 | Ethylene | C2H4 |
| GDSFXC26L0100 | Isopropanol | C3H8O |
| GDSFXC24L0100 | Iso-octane | C8H18 |
| GDSFXC22L0100 | Isobutane | C4H10 |
| GDSFXC21L0100 | n-Propanol | C3H8O |
| GDSFXC20L0100 | n-Octane | C8H18 |
| GDSFXC19L0100 | n-Heptane | C7H16 |
| GDSFXC18L0100 | n-Hexane | C6H12 |
| GDSFXC17L0100 | n-Butane | C4H10 |
| GDSFXC16L0100 | n-Pentane | C5H12 |
| GDSFXC07L0100 | Xylene | C8H10 |
| GDSFXC06L0100 | Petroleum vapor | N/A |
| GDSFXC04L0100 | Toluene | C7H8 |
| GDSFXC03L0100 | Hydrogen | H2 |
| GDSFXC02L0100 | Propane | C3H8 |
| GDSFXC01L0100 | Methane | CH4 |
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