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Insulation Resistance Meter Calibrator SXGZ-B

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SXGZ-B Insulation Resistance Meter Calibrator is the reference instrument to calibrate insulation resistance meter. The resistance output maximum limitation is 20GΩ, nominal working voltage is 3kV, maximum measuring voltage is 3.5kV, input impedance ≥5GΩ. It’s suitable for all models pointer type insulation resistance meter. 

♦ Designed with independent leakage shield terminal and ground terminal, no obvious unstable, short circuit and open circuit.

♦ High performance switch, long life service.

♦ The open circuit voltage, mid-value voltage and peak value voltage are all measurable.

♦ LCD screen

Resistance output (HV Hi-Resistance Box)

♦ Accuracy degree and working voltage (current)

Resistance Value

10GΩ

×1GΩ

×100MΩ

×10MΩ

×1MΩ

Accuracy Degree

2

2

1

0.5

0.2

Nominal Voltage (V)

2500

2500

2500

1500

800

 

 

Resistance Value

×100kΩ

×10kΩ

×1kΩ

×100Ω

Accuracy Degree

0.2

0.2

0.2

0.2

Nominal Current

1mA

8mA

20mA

50mA

♦ Adjusting range: 100Ω~20GΩ, adjusting fineness: 100Ω

♦ Working Condition:

♦ Reference temperature range: 20~25℃

♦ Nominal working temperate range:  18~28℃

♦ Reference humidity range:  40%~60%

♦ Nominal working temperature range:  25%~75%

♦ Resistance variation limitation:

Influence

Nominal working range

Allowed variation

Environmental Temperature

18~28℃

a/2 %

Relative Humidity

25%~75%

≤10GΩ a/2 % >10GΩ a%

Working Voltage

(1~1/5)nominal voltage

≤10GΩ a/2 % >10GΩ a%

 

☆  a is the accuracy degree of output resistance meter.(a’s value is according to different resistance meter)

♦ Insulation Resistance:

   The resistance value measured under nominal voltage is no less than 5TΩ, this value is the insulation resistance between output circuit and the circuit without any electric connection.

♦ Dielectric strength: Between resistance output circuit with test point, the withstand ability is sine frequency 45~65Hz AC 6kV, test 1 min, no breakdown and flashover.

♦ Residual resistance of input terminal should be <0.05Ω, variation <0.05Ω.

♦ Oversize: 442mm×270mm×145mm

♦  Weight: 5kg

 

Voltage measuring (HV DC Digital Voltmeter):

♦ Measuring range:  0~3000V

♦ Accuracy:  ±(1 % read ±1 digit)

♦ Reading stability: ≤±1 digit

♦ Power Supply:  DC9V

♦ Input resistance:  ≥5GΩ