Feature:1. MEASURING RANGE: The clamp resistance tester uses microprocessor control, which can accurately detect ground resistance, with a measurement range of 0.011200.2. MULTIPLE FUNCTIONS: Resistance and current display on the same screen, with real time clock, data storage, data retrieval, alarm, automatic shutdown and other functions.3. LESS INTERFERENCE: Using fast filtering technology, which can minimize interference, achieve dependable performance, high resolution, accurate and reliable operation.4. DISPLAY AND ALARM: The resistance meter adopts a 4 digit LCD digital display, which is clear and intuitive, supports sound and light alarm, and fully automatic gear shifting.5. APPLICATIONS: Suitable for measuring ground resistance in telecommunication, power, meteorology, computer room, distribution line, tower transmission line, gas station, factory grounding grid, and other fields.Specification:Item Type: Clamp Resistance TesterModel: ETCR2000+Battery: 4 x 1.5V AA Battery (battery not included)Function: Ground resistance test, circuit resistance test, leakage current testResistance Range: 0.01-1200Resistance Resolution: 0.001Data Storage: 99 SetsAudible and Visual Alarm: Beep alarm sound, press the AL key to turn on and offAlarm Threshold Setting Range: Resistance: 1-199, Current: 1-499mAWorking Temperature and Humidity: -20-55; 10%RH-90%RHLCD Display: 4 Digit LCD Digital DisplayDisplay Size: Approx. 47 x 28.5mm / 1.9 x 1.1inClamp Jaw Size: Approx. 65 x 32mm / 2.6 x 1.3inJaw Opening Size: Approx. 32mm / 1.3inClamp Meter Size: Approx. 285 x 85 x 56mm / 11.2 x 3.3 x 2.2inProtection Level: Double InsulationExplosion Proof Sign: ExiaIIBT3GaStructural Feature: Clamp Type CTShift: Full Automatic ShiftExternal Magnetic Field and Electric Field: <40A/m; <1V/mSingle Measurement Time: 0.5 SecondsResistance Measurement Frequency: >1KHz.Package List:1 x Resistance Tester1 x Accessory1 x User Manual1 x Storage Box