ETCR3000 Digital Earth Resistance Meter Ground Resistance Tester with RS232 Interface Data Storage and Data Read Function

SpecificationsFunction：Earth resistance measurement, Earth voltage measurement, Low resistance measurementPower Supply：DC 9V (Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )Measuring Mode:Precise 3-pole measurement, simple 2-pole measurementMeasuring Method:Earth ground resistance: constant current change-pole method, measurement current 3mA Max,820Hz;Voltage to ground: average value rectificationData Mode:Average value, maximum, minimumWire Resistance Verification: Avoid error caused by testing wire such as failed to be fully inserted into tester interface or by poor contact or by user’ s replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement.Measuring Indication:4-digital super-large LCD display, blue screen backlight,During measurement, LED flash indicator, LCD count down displayEarth Ground Resistance:Range:0.01Ω~2000Ω;Resolution:0.01Ω;Accuracy:±1%rdg±3dgtEarth Ground Voltage：Range:0V~600V AC;Resolution:1V;Accuracy:±1%rdg±3dgtTesting Wires：Three wires: each for Red 20m, Yellow 10m, and Green 5mSimple Testing Wire：2 wires: each for Red 1.5m and Green 1.5mAuxiliary Earthing Rod：2 PCS: Φ10mm×150mmMeasuring Rate：Earth voltage measurement: 3 times/second; Earth resistance: 5 seconds/timeMeasuring Times：Over 5000 times (20Ω range measuring 10Ω for one time and repeat after 25 seconds)RS232 Interface:One piece of RS232 communication wire, with length 1.5m, Possess RS232 interface, software supervision, storage data can be uploaded to computer, preserved and printed.Overflow Display:Exceeding measuring range overflow function: “OL”icon displayAlarm Function:When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint

• ETCR3000 Digital Earth Resistance Meter is composed of host computer, monitoring software, test line, communication line and so on. Mainframe super LCD display, white screen backlight, bar diagram instructions
• Earth resistance measurement, Earth voltage measurement, Low resistance measurement. New material body, stands hits, avoid slip, Solid and durable.Circuit Voltage: Measuring voltage to ground: measuring below AC 600V
• The alarm function,Data Storage Data hold Data Read function, can store up to 400 sets of data, the RS232 interface data uploading, storing computer data can be uploaded, saved print.
• Earth Ground Resistance:Range:0.01Ω~2000Ω; Resolution:0.01Ω;Accuracy:±1%rdg±3dgt; Earth Ground Voltage：Range:0V~600V AC;Resolution:1V;Accuracy:±1%rdg±3dgt; WorkingTemperature & Humidity:-10℃~40℃;below 80%rh,Storage Temperature & Humidity:-20℃~60℃;below 70%rh
• Using the latest digital and micro processing technology, the earth resistance measuring 3 or 2 wire method with line resistance verification function, unique anti-interference ability and ability to adapt to the environment, to ensure the high precision, high stability and high reliability for measurement