ES3070 10A 10uohm-50Kohm Portable Handheld Transformer DC Resistance Tester Fast Grounding Conductivity Tester

Description:
- ES3070 Portable DC Resistance Tester, also known as transformer DC resistance tester, DC resistance rapid tester, grounding conductivity tester, adopts microprocessor technology, four-wire test, safe, precise and reliable. It is mainly used for measurement of transformer winding resistance, transformer winding resistance, ground down lead conduction testing, the wire resistance of the cable, switch, socket, relay contact resistance, winding, motor, shell and equipment, lightning protection zone, ground beam, structure, rack, steel, pipe, Windows, fence, radiator, pipeline connection between objects such as metal components resistance test. It is widely used in telecommunication, electric power, meteorology, machine room, oil field, electric power distribution line, tower transmission line, gas station, factory grounding grid, lightning rod and so on.

- ES3070 Portable DC Resistance Tester is composed of a host, monitoring software, test line and communication line.Host handheld portable design is convenient for field application, with charging function without on-site power search, full-color large LCD display, clear at a glance, easy to use touch screen operation, port overload protection function. Large capacity storage 500 groups of data, resistance measurement range: 10.0uΩ to 50.00KΩ, measuring accuracy: ±0.2%FS±10dgt. The upper computer software has the functions of reading, consulting, saving and reporting historical data.

Specification:
- Function: mainly used for measurement of transformer dc resistance, transformer winding resistance, network connectivity, cable conductor resistance, contact resistance of switches, connectors, relays, winding, motor, transformer winding resistance and metal riveting resistance, metal component coupling between resistance test, low resistance testing, contact resistance testing, etc.
- Resistance range: 10.0uΩ - 50.00KΩ
- Resolution ratio: 0.1uΩ
- Precision: ±0.2%FS±10dgt
- Detection method: the four-wire test
- Measuring current: 10A, 5A, 1A, 0.1A, 10mA, 1mA
- Maximum short circuit current: 10A
- Overload protection: Yes
- Self discharge: Yes
- Power: DC12.6V 2500mAh large-capacity lithium battery
- Charging function: Yes
- Back light: Yes, suitable for dark places
- Display mode: LCD Full-color display
- Overflow shows: The "OL" symbol is displayed when the over-range overflow occurs
- Touch screen operation: Yes
- LCD size: L x W = 108mm x 65mm
- Host size: L x W x H = 240mm x 188mm x 85mm
- The test line length: 5 meters, 1 red, 1 black
- USB interface: equipped with USB interface
- Line of communication: 1 USB communication cable
- Data storage: 500 groups
- View data: data access function
- Cell voltage: the battery power is displayed in real time, indicating that the battery should be charged in time when the battery voltage is low
- Auto power-off: turn off the meter after no operation for about 15 minutes
- Power dissipation:
  Standby: approx. 116mA (20% brightness)
  Measurement: 27W Max
- Weight:
  Instrument: 1100g
  Test line: 850g
- Operating temperature and humidity: - 10℃ ~ 40℃, Below 70%RH
- Storage temperature and humidity: -20℃ ~ 60℃, Below 70%RH
- Insulation resistance: > 10mΩ (circuit between the shell and 500 V)
- Withstand voltage: AC 3700V/RMS (between circuit and housing)
- Electromagnetic property: IEC61010-4-3, wireless frequency electromagnetic field <= 1V/m
- Suitable for safety regulation: IEC61010-1; CAT III 600V; Pollution level 2; JJG724-1991 <<VERIFICATION Regulation of DC Digital Ohmmeter>>, JJG166-1993 <<Verification Regulation of DC Resistor>>, <<VERIFICATION Regulation of DL/T967-2005 Circuit Resistance Tester and DC Resistance Rapid Tester>>

Package Included:
- 1 x Set of DC Resistance Tester