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Input: 16V ~ 32V DC (24V DC nominal)
Outputs: 3 Relays, 1 4–20 mA Analog Output
Compliance: ATEX, IECEx Certified (Zone 1, Zone 2)
IP65 Water and Dust Resistance
Durable Aluminum Housing
Detection: Hydrocarbon Group Gases
GD2G Catalytic Gas Detectors quickly detect flammable and explosive gases in the environment. In addition to being budget-friendly due to their affordable price, they provide reliable measurements with regular calibration and maintenance. They are a high-quality product certified to international ATEX and IECEx standards.
GD2G Catalytic Fixed Gas Detectors feature an advanced microcontroller chip on their smart circuit board. The embedded software algorithm ensures excellent detection under all conditions. It also allows for software optimizations tailored to your facility’s needs.
GD2G Catalytic Fixed Gas Detectors can be used as standalone devices with digital relay outputs (NOC), or they can be easily integrated into your control and automation systems thanks to their 4–20 mA analog outputs, which are an industry standard. They respond immediately upon detection of the target gas at the lower and upper alarm limits you have set. This helps prevent hazardous conditions from escalating, ensuring the safety of your personnel and facility.
| Supply Voltage | 24 VDC ± 25% |
| Measurement Range | 0 – 100% LEL |
| Resolution | 1% LEL |
| Response Time | < 10 seconds |
| Sensor Type | Catalytic |
| Analog Output | 4–20 mA |
| Digital Outputs | 3 Contacts (NO or NC) |
| Working Conditions | Temperature: -20/+60°C Pressure: 86–106 kPa Humidity: 95% RH |
| Weight | 1 kg |
| Material | Aluminum |
| Sensor Capsule | Stainless Steel |
| ATEX Class | II 2G Ex d IIC Gb T6 |
| IP Protection Rating | IP65 |
| Warranty Period | 2 Years |
| Order Code | Gas Name | Formula |
| GD2GC01L0100 | Methane | CH4 |
| GD2GC02L0100 | Propane | C3H8 |
| GD2GC17L0100 | n-Butane | C4H10 |
| GD2GC16L0100 | n-Pentane | C5H12 |
| GD2GC18L0100 | n-Hexane | C6H12 |
| GD2GC19L0100 | n-Heptane | C7H16 |
| GD2GC20L0100 | n-Octane | C8H18 |
| GD2GC36L0100 | Methanol | CH3OH |
| GD2GC33L0100 | Ethanol | C2H5OH |
| GD2GC26L0100 | Isopropanol | C3H8O |
| GD2GC30L0100 | Acetone | C3H6O |
| GD2GC43L0100 | Methyl ethyl ketone | C4H8O |
| GD2GC04L0100 | Toluene | C7H8 |
| GD2GC34L0100 | Ethyl acetate | C4H8O2 |
| GD2GC03L0100 | Hydrogen | H2 |
| GD2GC06L0100 | Petroleum vapor | N/A |
| GD2GC27L0100 | Ethylene | C2H4 |
| GD2GC28L0100 | Acetylene | C2H2 |
| GD2GC29L0100 | Acetic Acid | C2H4O2 |
| GD2GC35L0100 | Butyl Acetate | C6H12O2 |
| GD2GC31L0100 | Cyclohexane | C6H12 |
| GD2GC32L0100 | Cyclopentane | C5H10 |
| GD2GC22L0100 | Isobutane | C4H10 |
| GD2GC23L0100 | Isobutanol | C4H10O |
| GD2GC24L0100 | Iso-octane | C8H18 |
| GD2GC25L0100 | Isopentane | C5H12 |
| GD2GC21L0100 | n-Propanol | C3H8O |
| GD2GC37L0100 | Styrene | C8H8 |
| GD2GC38L0100 | Propylene | C3H6 |
| GD2GC07L0100 | Xylene | C8H10 |
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