Apraksts
ES3030 digital large-scale grounding grounding resistance tester, also known as power frequency grounding resistance tester, grounding resistance meter, etc. are common instruments for testing and measuring common grounding resistance meters.It adopts new variable frequency AC power supply, dual frequency measurement technology, large touch color screen and microprocessor technology to meet the requirements of two-wire, three-wire and four-wire test impedance. It can also measure soil resistivity, step voltage, distribution potential and contact voltage. , current phase angle and other parameters.Applicable to telecommunications, electric power, meteorology, computer room, oil field, power distribution line, iron tower transmission line, gas station, factory grounding grid, lightning rod, etc., in line with the standards of power substation and lightning protection equipment testing instruments. The instrument test is accurate, fast, simple, stable and reliable.
Function: Ground resistance test, soil resistivity test, step voltage test, distributed potential test, contact voltage test
Resistance Range: 0Ω~2000Ω
Resolution: 0.001Ω
Power: AC 220V
Measurement method: precision 4-wire measurement, simple 3-wire measurement, simple 2-wire measurement
Short circuit maximum current: 5A (sine wave)
No-load maximum voltage: 400V