NR-
Operation Manual
7
3. MAIN TECHNICAL PARAMETERS
Table 2
Scale ‘
2
’ readings (number of LEDs/dB)
under following conditions: standard test unit
at 0.7±0.05m distance, min output & min
received signal attenuation
Not less 12 LEDs
/30 dB
Probing signal attenuation
2 steps:
min & max
Received signal attenuation
5 steps,
10 dB each:
0, -10, -20,
-30, -40 dB
Received signal level indication
LED display
& audio
Operating condition:
- operating temperature
- maximum relative humidity
-5° to +40 °
80 % (at +25 ° )
Power supply
Two ‘18650’
Li-ion cells;
3.7V
Operating time
with one set of fully charged cells
Not less 4h*
Weight
Device in a ready for operation state
Complete set in standard packing
3.1± 0.3
6.0 ± 0.5
* with 2800mAh cells,
NOTE: rechargeable cells & battery charger can be replaced
by any equivalent version.
