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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 Electrochemical Fixed Gas Detectors offer a next-generation solution for detecting toxic and asphyxiating gases. They use electrochemical sensor technology to detect toxic gases such as carbon monoxide, hydrogen sulfide, and ammonia. These sensors utilize the electrochemical reaction of target gas molecules on an electrode to provide highly accurate and specific detection.
With its color LCD screen, it provides real-time information on gas levels, device status, and alarms. The screen’s user-friendly interface allows for easy configuration and operation of the device. 4–20 mA analog and Modbus RS485 communication capabilities enable easy integration of the detector into control systems and facilitate centralized monitoring.
GDSFX Electrochemical Gas Detectors can detect even low gas concentrations thanks to their highly sensitive sensor. This high sensitivity and reliability are critical in sensitive applications such as wastewater treatment plants, laboratories, and chemical plants, as well as in the energy and food industries. The device’s long-lasting design, combined with minimal maintenance requirements, increases operational efficiency and reduces downtime.
| Supply Voltage | 24 VDC ± 25% |
| Measurement Range | Please check the gas list |
| Resolution | 1% of the detection range |
| Response Time | Please check the gas list |
| Sensor Type | Electrochemical |
| 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 | Measurement Range | Response Time |
| GDSFXE09P1000 | Carbon Monoxide | CO | 1,000 ppm | T90 < 30 s |
| GDSFXE13P0030 | Hydrogen Sulfide | H2S | 0–30 ppm | T90 < 30 s |
| GDSFXE13P0100 | Hydrogen Sulfide | H2S | 0–100 ppm | T90 < 30 s |
| GDSFXE13P2000 | Hydrogen Sulfide | H2S | 0 – 2,000 ppm | T90 < 40 s |
| GDSFXE48P0010 | Formaldehyde | CH2O | 0–10 ppm | T90 < 120 s |
| GDSFXE14P0030 | Nitrogen Dioxide (Nitrogen Dioxide) | NO2 | 0–30 ppm | T90 < 30 s |
| GDSFXE12P0100 | Ammonia | NH3 | 0–100 ppm | T90 < 75 s |
| GDSFXE12P05000 | Ammonia | NH3 | 0–500 ppm | T90 < 75 s |
| GDSFXE12P1000 | Ammonia | NH3 | 0–1,000 ppm | T90 < 75 s |
| GDSFXE12P5000 | Ammonia | NH3 | 0–5,000 ppm | T90 < 120 s |
| GDSFXE10P0010 | Chlorine | CL2 | 0–10 ppm | T90 < 40 s |
| GDSFXE44P0250 | Nitric oxide (Nitrous oxide) | NO | 0–250 ppm | T90 < 15 s |
| GDSFXE11P0020 | Sulfur Dioxide | SO2 | 0–20 ppm | T90 < 30 s |
| GDSFXE15V0025 | Oxygen | O2 | 0–25 % by volume | T90 < 10 s |
| GDSFXE49P0020 | Ethylene Oxide | C2H4O | 0–20 ppm | T90 ≤ 120 s |
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