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Specifications
Current rating
NL-21: Approx. 55 mA
NL-31: Approx. 65 mA
Current consumption in standby mode is reduced to
about one third.
Operating input voltage: 4.2 V to 6.5 V
Internal backup battery retains clock for about 1.5 months without external
power
Ambient conditions -10°C to +50°C, 10% to 90% RH (no condensation)
Dimensions Approx. 260 × 76 × 33 mm
Weight Approx. 400 g (including batteries)