NARDA nbm-520, Operating Manual

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7.4 General specifications
Narda NBM-520
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7.4 General specifications
7.5 AC Adapter / Charger Unit
Recommended calibration inter-
val 24 months
1)
1) only for basic instrument; probes are specified separately
Batteries Standard rechargeable NiMH batteries,
2 x AA (Mignon) type, 2500 mAh
Operating time approx. 22 hours (without backlight)
approx 16 hours (with permanent backlight)
Charging time 2 hours
Battery status indicator 100%, 80%, 60%, 40%, 20%, 10%, low (<5%)
Temperature range Operational: -10 °C to +50 °C
Non-operational (transport): -30 °C to +70 °C
Humidity 5 to 95% relative humidity, no condensation
≤
29 g/m³ absolute humidity (IEC 60721-3-2 class 7K2)
Dimensions (H x B x T) 38 x 52 x 195 mm (without probe)
Weight approx. 300 g (without probe)
Accessories (included in set) rigid shell case, AC adapter / charger, shoulder strap,
O/E converter, fiber optic cable (2 m), NBM-TS software,
operating manual, calibration certificate
AC line voltage range 100 – 240 V AC
Nominal AC line frequency
range 50 – 60 Hz
Output voltage 9 V DC
Maximum output current 1.5 A
Temperature range
• Storage
• Operation
-40 °C – 70 °C
0 – 40 °C