ETCR3000B Earth Resistance Soil Resistivity Tester 2/3/4-Wire Method Measure

ETCR3000B Earth Resistance Soil Resistivity Tester
Product Characteristics

1. 2/3/4-wire method measure earth resistance,Range:0.00O~30.00kO;

2. Soil resistivity measurement, Range:0.00Om~9000kOm;

3. Earth voltage measurement,Range:AC 0~600V

4. Data storage: 300 sets

5. Alarm function: audible and visual alarm

ETCR3000B Earth Resistance Soil Resistivity Tester, adopts the precision 4-wire method, 3-wire method and simple 2-wire method to measure earth resistance, earth resistance range: 0.00O~30.00kO, soil resistivity range: 0.00Om~9000kOm, earth voltage range: AC 0~600V. Import FFT (fast Fourier transform) technology, AFC (automatic frequency control) technology, with unique anti-interference ability and environmental adaptability, high repeated test consistency. ensure the measurement of high precision, high stability and reliability.

ETCR3000B Earth Resistance Soil Resistivity Tester is composed of host machine, monitoring software, test wires, auxiliary ground rod and communication cable. Host machine with large LCD display, white backlight, bar chart indication, clear at a glance. It can store 300 sets of data at the same time, through the monitoring software to relize historical access and online real-time monitoring functions, dynamic display, alarm indication, with historical data reading, accessing, saving, reporting, printing and other functions

Reference Conditions And Working Conditions


Influence Constant

Base Condition

Working Conditions

Remark

Ambient Temp

23?±1?

-10?-40?

----

Ambient Humidity

40%-60%

<80%

----

Working Voltage

9V±0.1V

9V±1.5V

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Auxiliary Earth Resistance Value

<100O

<30kO

rC?rP

InterferenceVoltage

Non

<20V

----

InterferenceCurrent

Non

<2A



Electrode Distance of measuring R

a>5d

a>5d

----

Electrode Distance of measuring ?

a>20h

a>20h

----





Technical Specifications

Function 2/3/4-pole measurement for earth resistance, soil resistivity, earth voltage, AC voltage
Power Supply DC 9V( Alkaline dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )
Measurement Range Earth Resistance: 0.00O-30.00kO
Soil Resistivity: 0.00Om-9000kOm
Earth Voltage: 0V~600V
Measurement Mode Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement of earth resistance
Measurement Method Earth Resistance: rated current change-pole method, test current 20mA Max
Soil Resistivity: 4-pole method (Wenner method)
Earth Voltage: average rectification(between P(S)-ES)
Test Frequency 128Hz/111Hz/105Hz/94Hz(AFC)
Short-circuit Test Current AC 20mA max
Open-circuit Test Current AC 40V max
Test Voltage Wave Sine wave
Electrode Distance Range Can be set 1m-100m
Shift Earth resistance: 0.00O-30.00kO automatic shift
Soil Resistivity: 0.00Om-9000kOm automatic shift
Backlight Controllable white screen backlight, suitable for dim places
Display Mode 4-digital super-large LCD display, white screen backlight
Measurement Indication During measurement, LED flash indicator, LCD count down display, progress bar indicator
LCD Frame Dimension 128mm×75mm
LCD Display Dimension 124mm×67mm
Meter Dimension 215mm(L)×178mm(W)×83mm(H)
Standard Test Wire 4PCS: red 20m, black 20m, yellow 10m, and green 10m
Simple Test Wire 2PCS: red 1.6m and black 1.6m
Auxiliary Ground Rod 4PCS: F10mm×150mm
Measurement Time Earth Voltage: about 3 times/second
Earth resistance, soil resistivity: about 5 seconds/time
Measuring Times Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)
Line Voltage Below AC 600V measure
Communication Interface USB interface, software monitoring, storage data can be uploaded to computer, saved or printed.
Communication Cable 1PCS USB communication cable, length 1.5m
Data Storage 300 groups, “MEM” symbol storage indicator, flash display “FULL” symbol indicate storage full
Data Hold Data hold function: “HOLD” symbol display
Data Read Data read function: “READ” symbol display
Overflow Display Over range overflow function: “OL” symbol display
Interference Test Recognize interference signal automatically, “NOISE” symbol display when interference voltage exceed 5V
Auxiliary Ground Test With auxiliary earth resistance test function, 0.00KO-30KO(100R+rC<50kO, 100R+rP<50kO)
Alarm Function Measurement value exceeds alarm setting value, will “Toot-toot-toot” alarm hint
Battery Voltage While battery voltage decreases to around 7.5V, will display battery voltage low symbol“ ”, and reminding to replace the battery
Working Current Standby: about 20mA (Backlight close)
Boot up and open backlight: about 45mA (25mA backlight close)
Measurement: about 100mA (Backlight close)
Weight Tester: 950g
Test wires: 1560g
Auxiliary ground rods: 935g (4pcs)
Working Temperature & Humidity -10?-40?, below 80%rh
Storage temperature & humidity -20?-60?, below 70%rh
Overload Protection Measuring earth resistance: between each interfaces of C(H)-E?P(S)-ES, AC 280V/3 seconds
Insulation Resistance Over 20MO (between circuit and enclosure it is 500V)
Withstand Voltage AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features IEC61326(EMC)
Suitable Safety Standard IEC61010-1 (CAT ? 300V?CAT IV 150V?Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004