2020 Hot Sales 0.01ohm~2000ohm ETCR3000 Digital Earth Resistance Tester

Earth Resistance

Range:0.01Ω~2000Ω;     Resolution:0.01Ω;      Accuracy:±2%rdg±3dgt

Earth Voltage

Range:0V~600V AC;      Resolution:1V;         Accuracy:±2%rdg±3dgt

Power Supply

DC 9V (Alkaline dry battery LR14 1.5V 6 PCS

Tester Dimension

215mm(L)×178mm(W)×83mm(H)

Weight

1443g

Measurement  Method

Earth ground resistance: rated current change-pole method, measurement current 20mA Max,820Hz; Earth Voltage: average value rectification

Measurement Times

Over 5000 times (20Ω range measuring 10Ω for one time and repeat after 25 seconds)

Measurement Time

Voltage to earth : 3 times/second; Earth resistance: 5 seconds/time

Data Storage

400 sets, flash "FULL" symbol to indicate storage is full

Data Hold

Data hold function:"HOLD" symbol display

Data Read

Data read function: "READ" symbol display

Overflow Display

Exceeding measuring range overflow function: "OL" symbol display

Line Voltage

Measuring earth voltage : AC 600V MAX

Auxiliary Earth Rod

2 PCS: Φ10mm×150mm

Testing Wires

Red 15m, yellow 10m, green 5m, red 1.6m, green 1.6m(total 5pcs)

Wire Resistance Verification

Avoid errors caused by the test line not fully inserted into the instrument interface or poor contact or the user replaces the lengthened test line, ensure grounding resistance measurement more accurate

Alarm Function

Measurement value exceed alarm setting value, LCD”    ” symbol flash and alarm

Auto Power-off

15 Minutes after power on, will outage and automatic power off

Battery Voltage

While battery voltage decreases to around 7.8V, will display low battery voltage symbol“”, and remind to replace the battery

Overload Protection

Earth resistance: between each interfaces of E-P,E-C, AC 280V/3 seconds

Electromagnetic Features

IEC61010-4-3,Wireless frequency electromagnetic field≤1V/m

Working current

Backlight:25mA Max; System standby: 25mA Max(Backlight shut off);  Measurement:70mA Max(Backlight shut off)

Accessories

Tester:1PC; Earth Rod:2PCS;  Testing Wire:3PCS; Simple testing wire:2PCS