NARDA nbm-520 User Manual Download Page 6

 

 
 
 
 

  NSTS 0407E0232A-0.0  

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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

0.0001 to 9999 mW/cm

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 

Summary of Contents for nbm-520

Page 1: ...h frequency to microwaves Non directional measurement using isotropic probes for applications in the frequency range 100 kHz to 60 GHz Intelligent probe interface with automatic detection of probe par...

Page 2: ...parameters and calibration data so they can be used with any instrument in the NBM 500 family APPLICATIONS The NBM 520 is used to make precision measurements to establish human safety particularly in...

Page 3: ...ton V m A m mW cm 2 W m 2 when using flat probes of limit value when using shaped probes Hold button for freezing the display value Automatic adjustment application of calibration data Intelligent pro...

Page 4: ...n enables data communication with the smaller NBM 520 so it can be used as an extended probe handle This means that probes can be situated remotely from the NBM 550 without any metallic cables to adve...

Page 5: ...signation EF0391 EF1891 EF5091 EF5092 EF6091 HF3061 HF0191 Ex5091 Mobile radio telecommunications z z z z z Radio TV broadcasting z z z z z Satellite communications z z z Radar z Industry Heating and...

Page 6: ...hold 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...

Page 7: ...391 E field for NBM 100 kHz 3 GHz isotropic 2402 01 Probe EF1891 E field for NBM 3 MHz 18 GHz isotropic 2402 02 Probe EF5091 E field for NBM thermocouple 300 MHz 50 GHz isotropic 2402 03 Probe EF6091...

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