Ground Network Earth Resistance Tester

Ground Network Earth Resistance Tester

Type: ZC-413
    This device applies to test frequency ground resistance, contact voltage, pace voltage and earth electric resistivity. It adopts different frequency anti-jamming technique, can get the data under 50Hz in strong interference circumstance. The maximum measured current is 5A , which will not cause the electric potential of the grounding device too high, it with strong anti-interference ability at the mean time, so it does not need power off during the test.
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Product Features
      1. Good frequency equivalence. The measured current waveform is sine wave, the difference between frequency and power frequency is 5Hz, use 45Hz and 55Hz two frequency to test.
      2. Strong anti-jamming ability, use different frequency method , assorted with modern hardware and software filtering techniques, make the device with strong anti-jamming ability, test results stable and reliable.
      3. High precision, intrinsic error 0.005Ω, can test the ground network of small impedance.
      4. Powerful. can test current pile, voltage pile, ground resistance, pace voltage, contact voltage
      5. Can measure the field disturbance, user estimate measuring error conveniently.
      6. With the disconnection alarm function, the error measurement is avoided.
      7. Easy to operate, menu operated, directly display the test results.
Measuring range 0 ~ 200 Ω (including the current pile impedance)
Points and distinguishing rate 0.001Ω
Measurement error Plus or minus (0.005 Ω reading x + 1%)
Maximum output voltage AC 400V (45Hz, 55Hz, dual-frequency, sine wave)
Maximum output current AC 3A (45Hz, 55Hz, dual-frequency, sine wave)
Current output gear 3/2.5/2/1.5/1a, each 0.5a first gear, 5 files in total
Anti-interference ability Resistance to power frequency: 50Hz voltage: 10V
Power supply AC 220V±10%,50Hz
weight 28kg

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