Digital Ground Resistance Tester

Model

RTCR3000 Digital Earth Resistance Tester

Earth Resistance

Range : 0.01-2000: Resolution : 0.01; Accuracy: +2%rdg +3dgt

Earth Voltage

Range : 0V-600VAC; Resolution : 1V; Accuracy: +2%rdg +3dgt

Power Supply

DC 9V (Alkaline dry battery LR141.5V6 PCS, continuous standby for 300 (hours)

Tester Dimension

LWH:215mm X 190mm X 95mm

Weight

1443g (with batteries)

Measuring Method

Earth ground resistance: constant current change-pole method, measurement current 3mA Max, 820Hz; Voltage to ground: average value rectification

Measuring Times

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

Measuring Rate

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

Data Storage

400 sets, flash display "FULL" icon to indicate storage is full

Data Hold

Data hold function: "HOLD" icon display

Data Read

Data hold function: "READ" icon display

Overflow Display

Exceeding measuring range overflow function: "OL" icon display

Circuit Voltage

Measuring voltage to ground: measuring below AC 600V

Auxiliary Earthing Rod

2 PCS:10mm X 150mm

Testing Wires

Five wires : each for Red 20m, yellow10m, green5m, red 1.6m, green 1.6m

RS232 Interface

Posses RS 232 interface, software supervision, storage data can be uploaded to computer, preserved and printed.

Wire 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

Alarm Function

When measuring value exceeds alarm setting value, there is Toot-toot-toot alarm hint

Auto Power-off

15 Minute after power on, it will power off automatically to lower the power consumption

Battery Voltage

When battery voltage decreases to about 7.8V, battery voltage low icon will display, reminding to replace battery.

Overload Protection

Measuring earth ground resistance: between each interfaces of E-P,E-C, AC 280V/3 seconds.

Electromagnetic Features

IEC61010-4-3, wireless frequency electromagnetic field <1V/m

Power Consumption

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

Accessories

Tester: 1PC; Earthing Rod:2PCS, Testing Wire: 3PCS, simple wire: 2PCS; RS232 Com-cable: 1PCS; Software disk: 1 PC; Tester bag : 1PC