Ground Resistance Testers with LCD Display Earthing Resistance Range 0.01Ω～3000Ω Accuracy±1.5% rdg±5dgt for Measuring Earth Resistance, Voltage to Earth, Low Value Resistance

Technical Parameters● Earthing Resistance Range:0.01Ω～3000Ω Accuracy:±1.5%rdg±5dgt● Ground resistance resolution:0.01Ω● Grounding voltage range:0.01～600V AC Accuracy±1.5%rdg±3dgt● Ground voltage resolution:0.01V● Reference conditions:23°C±5°C, 75%rh or less (Auxiliary earth resistance 100Ω±5%, voltage to ground <10V)● Function:Earth ground resistance measurement, voltage to ground measurement, low value resistance measurement● Power Supply:DC 6V 1.5V LR14 battery● Backlight:Controllable gray screen backlight, suitable for use in dim places ● Measuring Mode:Precise 3-pole measurement, simple 2-pole ● measurementMeasuring Method:Earth ground resistance: rated current change-pole method, Test current >20mA (sine wave)，128HzVoltage to ground: average value rectification● Wire Resistance Verification: Avoid error caused by testing wire that is failed to be fully inserted into tester interface or by poor contact or by users’ replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement.● Display Mode:4-digital super-large LCD display, gray screen backlight● Measuring indicator:During measurement, LED flash indicator, LCD count down display● LCD Dimension:108mm×65mm● Dimension:L×W×H: 240mm×188mm×85mm● Testing Wires:Three wires: each for Red 15m, Yellow 10m, and Green 5m● Simple Testing Wire:2 wires: each for Red 1.5m and Green 1.5m● Auxiliary earthing rod:2 PCS● Measuring Rate:Voltage to ground: about 2 times/second; earth ground resistance: about 5 seconds/time● Measuring Times:Over 5000 times● Circuit Voltage:Measuring voltage to ground: measuring below AC 600V● Data Storage:500 sets, flash display “FULL” icon to indicate storage is full● Data Read:Data read function: “MR” icon display● Overflow Display:Exceeding measuring range overflow function: “OL” icon display● Alarm Function:When measuring value exceeds alarm setting value, there is beeper alarming● Battery Voltage:Battery power indicate in real time, the battery voltage is low and remind to charge in time● Power Consumption:Backlight：25mA MaxStandby: 25mA Max(Backlight shut off)Measurement：70mA Max(Backlight shut off)● Working Temperature & Humidity:-10℃～40℃；below 80%rh● Storage temperature & humidity:-20℃～60℃；below 70%rh● Overload Protection:Measuring earth resistance: between each interfaces of E-H、E-S, AC 280V/3 seconds● Insulation Resistance:Over 10MΩ(between circuit and enclosure it is 500V)● Withstanding Voltage:AC 3700V/rms (Between circuit and enclosure)● Electromagnetic Features:IEC61010-4-3, radio frequency electromagnetic field ≤ 1V/m ● Protection Type:IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、Pollution grade 2、CAT Ⅲ 300V

• Earthing Resistance Range:0.01Ω～3000Ω ;Accuracy±1.5%rdg±5dgt ,Ground resistance resolution: 0.01Ω Grounding voltage range:0.01～600V AC ;Accuracy±1.5%rdg±3dgt ;Ground voltage resolution:0.01V Measuring Mode:Precise 3-pole measurement, simple 2-pole measurement
• Digital grounding resistance tester (simple), also known as three-wire grounding resistance tester, grounding resistance meter, etc. is the inspection and measurement of grounding resistance commonly used instrumentation, he used a large LCD grey and white screen backlit display and microprocessor technology to meet the two-wire, three-wire test resistance requirements, is to replace the traditional shaking table measurement of a new generation of grounding measurement instruments.
• It is suitable for telecommunication, electric power, meteorology, machine room, oil field, electric power distribution line, tower transmission line, petrol station, factory grounding network, lightning rod and so on. The instrument is accurate, fast, simple, stable and reliable.
• Controlled by the microprocessor, large LCD grey screen display resistance value at a glance. Simultaneous storage of 500 groups of data, resistance measurement range: 0.01Ω ~ 3000Ω, ground voltage range: 0 ~ 600 V. With value retention and alarm prompts and other functions.