The measuring instrument can check couples, without looking at the device.
Parameters of DELTA MISSILE DEFENCE 2.0
800 Of Hz of 1020 Hz 1200 Hz
Attenuation measurement range
Attenuation measurement error
from 0 dB to 70,0 dB - ±0,2 dB
from 70 dB to 90,0 dB - ±0,6 dB
from 90 dB to 100 dB - ±3,0 dB
over 100 - are not normalized
The liquid crystal display with illumination of IRK-PRO 20 - the graphic display
Al. Food 12B. Built-in accumulator. The charging feeding device 220B 12B - is included in the package of delivery of the device.
Current of consumption 70±10 ma (12 hours of continuous work without recharge)
Range of working temperatures from minus 20os to plus 50os
Indication of results of measurements on the LCD display in decibels or in neper. Selection of couple on value of transitional attenuation
(the norm of transitional attenuation is set by the operator). Assessment of level of external hindrances. Control of the category of the accumulator. Metal shock-resistant case.