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The
meters are designed to measure current or voltage in d.c. circuits in various equipment (transport, energetics, electrotechnical and engineering
industries, etc). They are used in case when it is necessary to remove the
scale just at the consumer.
Drawings
|
Type
instrument |
Range
of
measurement |
Accuracy
class |
Overall
dimensions,
mass |
Operating
condition |
Switch
on
method |
M42272 |
from 100 to 1000mkA |
1,5 |
96x96x65mm
0,4kg |
Ambient air temperature:
from -30oC to +55oC,
relative air humidity: 90 % at +30oC.
The meters are vibro-, and shock resistance. The insulation of meter
withstands 2kV test voltage.The mean-time-to first-failure is 39000h.
The mean service life is not less than 8 years |
Direct |
from 1 to 600mA |
from 1 to 15A |
from 20 to 15000A |
With the external calibrated shunt 75mV
and calibrated wires. |
M42276 |
from 60 to 600mV |
72x72x65mm
0,3kg |
Direct |
from 1 to
600V |
from 1 to 15kV |
With separated series resistor
nominal current 5 mA |
|