توضیحات
Ammeters And Voltmeters M381 Ammeters
and voltmeters M381 are designed to measure current and voltage in DC networks. Measuring mechanism of a magnetoelectric system with an intra-frame magnet and a moving part on the cores
Accuracy class 1.5
Values of measuring ranges of devices with zero mark
Method of inclusion
at the beginning of the scale
in the middle of the scale
0.5; 0.75; 1; 3; five; ten; fifteen; thirty; 50; 75; 100; 150; 300; 500 mA; 10/100; 10/200; 10/500; 50/250 mA; 1; 2; 3; five; ten; 20; 30 A
from 0.5-0-0.5 to 150-0-150 mA, 300-0-300 mA, 500-0-500 mA, from 1-0-1 to 30-0-30 A
Directly
30; 50; 75; 100; 150; 200; 300; 500; 750 A; 1; 1.5; 2; 3; 4; five; 6; 7.5 kA
from 30-0-30 to 750-0-750 A, from 1-0-1 to 7.5-0-7.5 kA
With an external 75 mV shunt and calibrated wires with a resistance of 0.035 Ohm
200; 400; 600 A, 1; 2; 3; 4; 6; 8; ten; fifteen; 20; 30 kA
from 200-0-200 to 600-0-600 A, from 1-0-1 to 30-0-30 kA
With an external 150 mV shunt and calibrated wires with a resistance of 0.035 Ohm with calibrated wires with a resistance of 0.035 Ohm
75; 150 mV
75-0-75 mV, 150-0-150 mV
3; 7.5; fifteen; thirty; 50; 75; 150; 250; 300; 400; 500; 600; 750 V
3-0-3 to 750-0-750 V
Directly
1; 1.5; 3; ten; 15 kV
from 1-0-1 to 3-0-3 kV
With external additional resistance
The limit of the basic permissible error at all scale marks is ± 1.5% of the final value of the measurement range – for devices with a zero scale mark to the left and from the sum of the final measuring range values for instruments with a zero mark in the middle of the scale
Operating conditions
temperature, оС
from – 40 to + 60
relative humidity at temp. 35 оС,%
95
Overall dimensions, mm
120х120х60
Weight, kg
0.4
When ordering, specify: the end value of the measurement range for current and voltage, connection methods, the need for completing with a shunt and additional resistance
Shunts and additional resistors are supplied for an additional fee
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