Accuracy Calibration Meter

HM-ZX79G type Accuracy Calibration Meter is a 1 million megohm rotary type standard resistor,which is designed to verify the megohmmeter. It has the advantages of wide resistance adjustment range and convenient use.

1. Verify all kinds of insulation resistance meters with a rated voltage of 10kV or less.

2. Used for the production or repair of various types of insulation resistance meters to mark the dials.

3. Suitable for proofreading or verification of insulation resistance high resistance meters.

4. Used as a standard resistance tester with high and medium resistance.

1. This Accuracy Calibration Meter consists of two parts. The first part is made up of 8 decimal adjustable resistors in series, namely: 10×(1000M+100M+10M+1M+100K+10K+1K+100)Ω. The second part is made up of 10 fixed resistors of 10GΩ and 9 fixed resistors of 100GΩ in series. After the two parts are connected in series, the resistance value adjustment range is 1121111.1110MΩ, and the minimum step value is 100Ω

2. The grade index and the highest voltage or current (ie reference voltage or current) of each decimal disk are shown in Table 1:

3. Residual resistance value <0.1Ω, variation <0.01Ω

4. The reference condition of the environment is 23+2-3℃,Relative humidity 40%~60%.

Table 1

5. The scope of use environment is

Temperature 23+5℃,

The relative humidity is 25%~75%.

6. The insulation resistance of the circuit to the shell>1×1013Ω.

7. The insulation strength of the line to the shell can withstａnd a 50Hz sine wave AC voltage of 11kV without breakdown for 1min.

8. Dimensions of this resistor: 602×323×210mm

9. Weight: <15kg