ZC-8 supply of soil resistivity tester | universal soil resistivity tester

ZC-8 supply of soil resistivity tester | universal soil resistivity tester

1+
2900 CNY (422.25USD)
10+
2890 CNY (420.8USD)

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Product parameters:

  • Processing customization: Yes
  • Type: Pointer resistance measuring instruments
  • Brand: Universal
  • Model: ZC-8
  • Measuring range: 0.1
  • Power supply: 220
  • Accuracy: 3.0
  • Repeat error: ± 3%
  • Ambient temperature: -20 ~ +50 ℃
  • Relative humidity: 25% to 95%
  • Specifications: ZC-8




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ZC-8 a total of two kinds of specifications
Accuracy%: 3.0, Specifications: 0-10 / 100 / 1000Ω minimum sub-grid 0.1Ω (three buttons)
Accuracy%: 3.0, Specifications: 0-1 / 10 / 100Ω minimum sub-grid 0.01Ω (four buttons)
ZC-8 grounding resistance meter main specifications and range as follows:

specification
Range
Min
1-10-100
0 to 1 Ω
0.01 Ω
0 to 10 4 Ω
0.1 Ω
0 to 100 6 Ω
1 Ω
10-100-1000
0 to 10 8 Ω
0.1 Ω
0 to 100 Ω
1 Ω
0 to 1000 Ω
10 Ω

ZC-8 Ground Resistance Meter Technical parameters:
1. This product complies with GB7676-98 direct acting simulation of electrical measuring instruments and accessories definition and general requirements and ZBN21012 grounding resistance table of the relevant provisions of the professional standards.
2. The reference value of the meter is the measuring range.
3. The basic error of the instrument as a percentage of the baseline value of the basic error of the limit for the range of ± 3%.
4. Meter working environment temperature is -20 ~ +50 ℃.
5. Instrument due to temperature changes caused by the indicator value, converted into 10 ℃ for each change is not greater than the basic error.
6. Humidity of the instrument working environment is 25% ~ 95%, thus causing the indication value of the change is not greater than the basic error.
7. The working position of the instrument is horizontal.
8. The meter is tilted by 5 ° in either direction from the horizontal operating position, thereby causing the indication value to vary by no more than 1/2 of the basic error.
9. Instrument in the external magnetic field strength of 0.4KA / m under the influence of the resulting changes in the indication value is not greater than 1.5% of the reference value.
10. Insulation resistance between the meter circuit and the shell is not less than 20MΩ.
11. The voltage test of the meter circuit and the case is 500V.
12. The protective performance of the instrument shell for the splash-proof.
13. When the ground resistance of the auxiliary probe pin changes from 500 Ω to the value specified in the table below, the basic error change does not exceed the value specified in the table below.
Auxiliary grounding resistance (Ω)
0
1000
2000
5000
Allowed change amount (%) (Percentage of accuracy grade index)
100
100
100
200

14. Instrument generator handle rated speed of 120r / min