| Manufacturer | APAR |
| Operating temperature | 0...50°C |
| Voltage resolution | 2.7mV |
| Current resolution | 5.5µA |
| Accuracy | 0.1% |
| Mounting | on panel |
| Mounting hole diameter | 92x46mm |
| Kind of display used | LED |
| Display parameters | 4 digit |
| Display height 1 | 20mm |
| Type of automation module | process analogue calibrator |
| Symbol | Sup. volt. | Sup. volt. | Interface |
|---|---|---|---|
| [V AC] | [V DC] | ||
| AR904.B | 18...265 | 20...350 | - |
| AR904.B/RS485 | 18...265 | 20...350 | RS485 |