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SHI Mendeleevets - Instrument shunt

SHI - Instrument shunt
INSTRUMENT SHUNT

Application area

The instrument shunt is intended to measure direct current (DC) at the use of a special measuring instrument – DC millivoltmeter.

Technical details

Compatibility of the instrument shunt with the meter-recorder IR-1 Mendeleevets and the universal diagnostic meter «Diakor» is provided by its design.

The shunt provides current to voltage transformation. The shunt is installed at the corresponding gap of the measured circuit.

The shunt is connected to the measured circuit using standard test leads with banana-type connectors with a diameter of 4 mm. To connect the shunt to the millivoltmeter it is necessary to use built into the shunt banana-type terminals with a diameter of 4 mm. The nominal distance between the terminals: 19 mm, according to GOST 7396.1.

Technical data

Parameter nameSHI-75-7,5-0,5SHI-75-75-0,5SHI-75-150-0,5
Instrument shunt rated voltage, mV 75 75 75
Instrument shunt rated current, mA 7,5 75 150
The limit of allowable basic relative error of the shunt, % ±0,5
Weight, kg, no more than 0,04
Dimensions (LxWxH), mm, no more than 63х41х14
Service lifetime, years 5

The shunt is resistant for prolonged current overload exceeding the nominal current value by 2 times.

The shunt is resistant for short-term overload in one current pulse (without damage), exceeding the nominal current value by 5 times with a duration of 0.5 s.

Nominal currents and nominal resistances for different shunt designs are shown in the table.

ShuntInstrument shunt voltage, mVInstrument shunt current, mAInstrument shunt resistance, Ohm
SHI-75-7,5-0,5 75 7,5 10
SHI-75-75-0,5 75 75 1
SHI-75-150-0,5 75 150 0,5

Conventions

 
SHI - 75 - 75 - 0,5 OKPD2 26.51.82.140
1 2 3
 
1 Rated voltage of shunt, mV;
 
2 Rated current, mA;
 
3 Accuracy class
 
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