NARDA NBM-550, Operating Manual

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12.6 General specifications
Narda NBM-550
127
12.6 General specifications
Recommended
calibration interval 24 months
1)
1) only for basic instrument; probes are specified separately
MTBF >10 years (basic unit with probe)
Batteries Standard NiMH rechargeable batteries,
4 x type AA (Mignon), 2500 mAh
Operating time 20 hours (without backlight or GPS)
12 hours (permanent backlight, without GPS)
10 hours (without backlight, with GPS)
Charging time 2 h
Battery status display 100%, 80%, 60%, 40%, 20%, 10%, low battery (<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)
Immunity to radiated
electromagnetic fields 200 V/m (100 kHz to 60 GHz)
Note: The immunity may be less than
the specified measurement range of a probe
Dimensions (H x W x D)
basic unit Series A, B
Series C... 46 x 98 x 276 mm (without probe and GPS receiver)
46 x 98 x 282 mm (without probe and GPS receiver)
Dimensions (H x W x D)
transport case 470 x 545 x 230 mm (outside dimensions)
Weight basic unit approx. 550 g (without probe and GPS receiver)
Weight transport case 4.2 kg (empty)
Accessories (included) Hard shell case, AC Adapter / Charger, batteries,
shoulder strap, table top tripod, NBM-TS software,
operating manual, calibration certificate, USB interface cable