| Type | Gas detection unit — GD Heavy Duty |
| Code number | 148H6031 |
| Detected gas | ammonia (R717) |
| Sensor technology | electrochemical |
| Measuring range | 0–5000 ppm |
| Pre-alarm (low) set point | 1000 ppm |
| Main alarm (high) set point | 4500 ppm |
| Local annunciation | LCD display |
| Supply voltage | 16–28 V DC |
| Operating temperature | -20 to +50 °C |
| Enclosure | wall-mount, includes mounting kit and cable gland |
| Supplied with | factory calibration certificate |
| Approvals | EU RoHS; China RoHS |
| EAN | 5714279919738 |
| Net weight | 1.3 Kilogram |
| Product group | Sensors |
| Alarmlimits high [ppm] sensor1 | 4500 ppm |
| Alarmlimits low [ppm] sensor1 | 1000 ppm |
| China RoHS compliance | Yes |
| Division | 40 |
| Equipment | LCD Display |
| EU RoHS compliance | Yes |
| Gas detecting sensor version | Heavy Duty |
| Parts included | ATEX/IECEx certificate |
| PFAS content [Yes/No] | No |
| Power consumption [A] | 0.13 A |
| REACH Candidate List substances | No |
| Refrig. range [ppm] sensor1 [max] | 5000 ppm |
| Refrig. range [ppm] sensor1 [min] | 0 ppm |
| Refrigerants | R717 |
| Relative humidity (RH) [%] [max] | 90 % |
| Relative humidity (RH) [%] [min] | 15 % |
| Response delay [s] | 0 s |
| Sensor 1 type | Electrochemical |
| Supply voltage [V] DC [max] | 28 V |
| Supply voltage [V] DC [min] | 16 V |
| Temperature range [°C] [max] | 50 °C |
| Temperature range [°C] [min] | -20 °C |
| Temperature range [°F] [max] | 122 °F |
| Temperature range [°F] [min] | -4 °F |
