ETCR3100C Bluetooth Soil Resistivity Tester - 9000KΩ 30KΩ Digital Ground Meter

Earth Resistance(R)

Range:0.00??~30.00?? Resolution:0.01?? Accuracy:??2%rdg??3dgt

Range:30.0??~300.0?? Resolution:0.1?? Accuracy:??2%rdg??3dgt

Range:300??~3000?? Resolution:1?? Accuracy:??2%rdg??3dgt

Range:3.00k??~30.00k?? Resolution:10?? Accuracy:??4%rdg??3dgt

Earth Voltage

Range:AC 0.0~600V Resolution:0.1V Accuracy:??2%rdg??3dgt

Soil Resistivity(??)

Range:0.00??m~99.99??m Resolution:0.01??m

Accuracy:According to the precision of R

(??=2??aR, a:1 m-100m, ??=3.14)

Range:100.0??m~999.9??m Resolution:0.1??m

Range:1000??m~9999??m Resolution:1??m

Range:10.00k??m~99.99k??m Resolution:10??m

Range:100.0k??m~999.9k??m Resolution:100??m

Range:1000k??m~9000k??m Resolution:1k??m

Power Supply

DC 7.4V 2600mAh rechargeable lithium battery

Measuring Method

Earth Resistance: rated current change-pole method, measurement current 20mA Max

Soil Resistivity: wenner 4-pole measurement

Earth Voltage: average rectification(between P(S)-ES)

Test Frequency

128Hz/111Hz/105Hz/94Hz(AFC)

Test Voltage Wave

Sine wave

Short-circuit Test Current

AC 20mA max

Open-circuit Test Current

AC 40V max

Data Storage

300sets

Data Hold

Data hold function: ??HOLD?? symbol display

Data Access

Data read function: ??READ?? symbol display

Overflow Display

Exceeding measuring range overflow function: ??OL?? symbol display

LCD Dimension

LCD Frame Dimension: 128mm??75mm; LCD Display Dimension:124mm??67mm

Tester Dimension

280mm(L)??260mm(W)??160mm(H)

Weight

Total Weight: 4765kg(with package)

Testing Wires

Six wires: each for Red 20m, black 20m, yellow 10m, green 10m, red 1.6m, black 1.6m

Auxiliary Earth Rod

4PCS: ??10mm??150mm

USB interface

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

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

Overload Protection

Measuring earth resistance: between each interfaces of C(H)-E,P(S)-ES, AC 280V/3 seconds

Interference Test

Automatic recognition of interferences signals , interferences voltage higher than 5V will display ??NOISE?? symbol

Auxiliary Grounding Test

Auxiliary earth resistance test function: 0.00k??~30k??(100R+rC<50k??,100R+rP<50k??)

Protection Level

IP65(close the case status)

Battery Voltage

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

Working current

System standby: around 20mA (Backlight shut off); Power on: 45mA(backlight shut off at 25mA); Measurement:100mA (Backlight shut off)

Accessories

Tester:1PC; Earth Rod:4PCS; Testing Wire:4PCS; Simple testing wire:2PCS; USB data transmission line:1PCS; Software disk:1PCS; Tester bag:1PCS; Special charger:1PCS