
NSTS 0407E0232A-0.0
6 / 7
Subject to change
SPECIFICATIONS
NBM-520
DISPLAY
Display type
Transflective LCD, monochrome
Display size
4 cm (1.5”), 128 x 64 dots
Backlight
LEDs, selectable illumination time (OFF, 5s, 10s, 30s, 60s, PERMANENT)
Refresh rate
400 ms
MEASUREMENT FUNCTIONS
Result units
mW/cm
2
, W/m
2
, V/m, A/m (for flat probes)
% (for shaped probes)
Display range
0.01 to 9999 V/m
0.0001 to 265.3 A/m
0.0001 to 9999 W/m
2
0.0001 to 9999 mW/cm
2
0.0001 to 9999 %
Result types (isotropic, RSS)
Actual (ACT), Maximum (MAX), Average (AVG), Spatial Averaging (SPATIAL)
Averaging time
4 s to 30 min (2 s steps), selectable by PC software
Spatial averaging
discrete or continuously, selectable by PC software
Alarm function
2 kHz audible signal (4 Hz repetition), threshold adjustable by PC software
INTERFACES
Optical interface
Serial, full duplex, 115200 baud, no parity, 1 start and 1 stop bit
Probe interface
Plug-and-play auto detection, compatible with all NBM series probes
GENERAL SPECIFICATIONS
Recommended calibration interval
24 months (basic unit only, probes are specified separately)
Battery
NiMH rechargeable batteries, 2 x AA size (Mignon), 2500 mAh, included
Operation time
Approx. 22 hours (backlight off)
Approx. 16 hours (permanent backlight)
Charging time
2 hours
Battery level display
100%, 80%, 60%, 40%, 20%, 10%, low level (< 5%)
Temperature range
Operating
Non-operating (transport)
-10 °C to +50 °C
-30 °C to +70°C
Humidity
5 to 95%, non condensing
≤
29 g/m³ absolute humidity (IEC 60721-3-2 class 7K2)
Size (h x w x d)
38 x 52 x 195 mm (without probe)
Weight
300 g (without probe)
Accessories (included)
Hard case, power supply, rechargeable batteries, shoulder strap, NBM-TS software, operating
manual, certificate of calibration