ETCR3000B Earth Resistance Soil Resistivity Tester-ETCR

ETCR3000B Earth Resistance Soil Resistivity Tester

Product Characteristics

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

2. Soil resistivity measurement, Range:0.00Ωm~9000kΩm;

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: 0.00Ω~30.00kΩ, soil resistivity range: 0.00Ωm~9000kΩm, 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

---

 Auxiliary Earth Resistance Value

<100Ω

<30kΩ

rC、rP

 InterferenceVoltage

Non

<20V

----

 InterferenceCurrent

Non

<2A


 Electrode Distance of measuring R 

a>5d

a>5d

----

 Electrode Distance of  measuring ρ 

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: 0.00Ω-30.00kΩ
Soil Resistivity: 0.00Ωm-9000kΩm
Earth Voltage: 0V600V
 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: 0.00Ω-30.00kΩ automatic shift
 Soil Resistivity: 0.00Ωm-9000kΩm 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: Φ10mm×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, 0.00KΩ-30KΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
 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)-EP(S)-ES, AC 280V/3 seconds 
 Insulation Resistance  Over 20MΩ (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  300VCAT IV 150VPollution 2), IEC61010-031,  IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004



Intrinsic error and performance indicators under base conditions

Measurement Function

MeasurementRange

Accuracy

Resolution

Earth Resistance

(R)

0.00Ω-30.00Ω

±2%rdg±3dgt

0.01Ω

30.0Ω-300.0Ω

±2%rdg±3dgt

0.1Ω

300Ω-3000Ω

±2%rdg±3dgt

3.00kΩ-30.00kΩ

±4%rdg±3dgt

10Ω

Soil Resistivity

(ρ)


0.00Ωm-99.99Ωm

(ρ=2πaR a:1 m~100m;π=3.14)

0.01Ωm

100.0Ωm-999.9Ωm

0.1Ωm

1000Ωm-9999Ωm

1Ωm

10.00kΩm-99.99kΩm

10Ωm

100.0kΩm-999.9kΩm

100Ωm

1000kΩm-9000kΩm

1kΩm

Earth Voltage

AC 0.0-600V

±2%rdg±3dgt

0.1V


Model

Earth Resistance 

(Ω)


Selection Method 

Measure Resistance


(Ω)

Double Clamp 

Method Measure 

Resistance

(Ω)

Soil Resistivity

(Ωm)

Earth Voltage

(V)

AC Current

(A)

Data Storage

(group)

Remark
ETCR3000 0.01~2000 None None None 0~600 None 400 Normal type
ETCR3000C 0.01~2000 None None None 0~600 None 400 Waterproof protective shell
ETCR3000B 0.01~30000 None None 0.00~9000k 0~600 None 300 Normal type
ETCR3100C 0.01~30000 None None 0.00~9000k 0~600 None 300 Waterproof protective shell
ETCR3200 0.01~30000 0.01~3000 0.01~100 0.00~9000k 0.0~100.0 0.00mA~600A 2000 Normal type
ETCR3200C 0.01~30000 0.01~3000 0.01~100 0.00~9000k 0.0~100.0 0.00mA~600A 2000 Waterproof protective shell

 Meter  1 PCS
 Aluminum Case  1 PCS
 Auxiliary grounding rod(10x150mm)  4 PCS
 Standard Test wires  4 PCS (Red 20m; Yellow: 10m; Green: 10m; Black:20m)
 Simple Test wires  2 PCS (Red 1.6m; Black 1.6m)
 Monitoring Software CD   1 COPY
 USB Communication Cable  1 PCS
 Manul/Warranty Card/Certificate  1 SET


ETCR3000B Catalog