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| Power supply | 2 x 1.5 V AA (LR6) batteries |
| Voltage range | 3.6 V to 1.8 V |
| Mechanical data | |
| Dimension | 205 x 92 x 41 mm (8 x 3.6 x 1.6 in.) |
| Weight | 330 g (12 oz) |
| Battery lifetime | |
| Backlight off | > 50 h |
| Backlight on | > 15 h |
| Time outs | |
| Sleep mode | 30 s |
| Auto shut down | 120 s |
| Environmental conditions | |
| Temperature range | -10° C to 60° C (14° to 140° F) |
| Humidity range | 0 to 100 % rH |
| Protection range | IP54 |
| Standards and regulations applied | BS 1881 part 204; DIN 1045; SN 505 262; DGZfP B2 |
