ES3030 5A 400V 0-2000ohm Digital Large-scale Ground Network Resistance Tester for Step Voltage Measurement

ES3030 5A 400V 0-2000ohm Digital Large-scale Ground Network Resistance Tester for Step Voltage Measurement

Description:
- 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.

- ES3030 digital large Grounding Resistance Tester maximum open circuit output voltage up to 400V, the maximum short-circuit current up to 5A.The microprocessor control and automatic dual-frequency technology can accurately measure and calculate the grounding impedance value under the 50Hz power frequency state under strong interference state, and the large screen display is clear at a glance. It can store 100 sets of data at the same time, and the resistance measurement range is 0.000Ω~2000Ω. Measurement data can be printed out via a thermal printer..

- ES3030 digital large Grounding Resistance Tester consists of a host computer, test leads, and grounding rods. It has functions such as reading, reviewing, saving, and printing historical data.

Specification:
- Function: Ground resistance measurement, soil resistivity measurement, step voltage measurement, distributed potential measurement, contact voltage measurement
- Ground resistance range:
  0.030~2.000Ω; Accuracy: ±2%rdg±5dgt
  0~20.00Ω; Accuracy: ±2%rdg±5dgt
  0~200.0Ω; Accuracy: ±2%rdg±5dgt
  0~2000Ω; Accuracy: ±2%rdg±5dgt
- Ground resistance resolution: 0.001Ω
- Rated measuring power: 2000W
- Capacity of resisting disturbance: anti-power frequency 50hz voltage 50v
- Base condition: 23℃±5℃, below 70%RH (Auxiliary ground resistance 20Ω±10%, voltage to earth < 10V)
- Power: AC 220V 10A (50Hz)
- Backlight: controllable gray screen backlight
- Measurement mode: four-wire measurement, three-wire measurement, two-wire measurement
- Measurement method: grounding resistance: rated current method
- Short circuit test current: 1A, 2A, 3A, 4A, 5A (5 file settings)
- Soil resistivity electrode spacing range: can set 1m ~ 100m
- Test frequency: 45Hz, 55Hz, Automatic dual frequency optional
- Short circuit maximum current: AC 5A±10%  Sine wave
- No-load maximum voltage: AC 400V±10%  Sine wave
- Display mode: 7-inch touch-control color screen
- Touch screen: yes
- Measurement indication: measurement progress display, measurement prompt animation display
- Product size: L x W x H = 540mm x 440mm x 210mm
- Standard test line length: Red 15m, black 15m, yellow 10m, green 10m, yellow 1.5m, green 1.5m each one
- Auxiliary grounding rob: 800mm 2pcs, 200mm 2pcs
- Measurement time: ground impedance: about 1min/time
- Print: Built-in thermal printer
- Print paper specification: 57 x 40mm
- Data storage: 100 groups, "Save successfully!" Store indication, display "Save failed, space is full!" character indicates that the storage is full
- Data review: yes
- Overflow display: Over-range overflow function: "OL" symbol display
- Automatic shut-down: no
- Power consumption:
  Standby: < 110W
  Measure: 2000W
- Weight:
  Instrument: 27kg
  Test line, Auxiliary ground rob, Instrument bag: 5.5kg
- Working temperature and humidity: -10℃ ~ 40℃; Below 80%RH
- Storage temperature and humidity: -20℃ ~ 60℃; Below 70%RH
- Insulation resistance: 10MΩ above(between circuit and case 500V)
- Pressure resistance: AC 3700V/rms (between circuit and case)
- Electromagnetic properties: IEC61010-4-3, wireless frequency electromagnetic field <= 1V/m
- Applicable safety regulations: IEC61010-1; IEC1010-2-31; IEC61557-1,5; IEC60529(IP54); Pollution Degree 2; CAT III 300V

Package Included:
- 1 x Ground Resistance Tester