ETCR3000/ETCR3000B Factory Price Digital Multimeter 0.01ohm~2000ohm Digital Eart

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, continuous standby for 300 hours )

Tester Dimension

215mm(L)×178mm(W)×83mm(H)

Weight

1443g(with batteries)

Measuring Method

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

Measuring Times

Earth voltage : 3 times/second; Earth resistance: 5 seconds/time

Measuring Rate

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

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

Circuit Voltage

Measuring earth voltage : AC 600V MAX

Auxiliary Earth Rod

2 PCS: Φ10mm×150mm

Testing Wires

Five wires: each for Red 20m, yellow 10m, green 5m, red 1.6m, green 1.6m

Interface

USB interface,software supervision, storage data can be uploaded to computer, saved and printed;data transmission line length:1.5m

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

Measuring value exceeds alarm setting value, will "Toot-toot-toot" alarm hint

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 battery voltage low symbol and reminding 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; USB data transmission line :1PCS; Software disk:1PC; Tester bag:1PC