Earth Resistance Meter Soil Resistivity Tester Gauge Earth Voltage Measuring

Description

0 to 30kOhm Earth Resistance Meter Soil Resistivity Tester with 300 Data Storage
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-wire method measure earth resistance, soil resistivity; measurement of earth voltage, AC voltage
Power Supply
DC9V( Alkaline dry battery LR14 1.5V 6 PCS, continuous standby for 300 hours )Battery not included
MeasurementRange
Earth Resistance: 0.00Ω-30.00 kΩ
Soil Resistivity: 0.00Ωm-9000 kΩm
Earth Voltage:0V～600V
Measurement Mode
Precise 4-wire, 3-wire, simple 2-wire measurement of earth resistance
Measurement Method
Earth Resistance: rated current change-pole method, test current 20mA Max
Soil Resistivity: 4-pole method (Wenner method)
Voltage to ground: average rectification(between P(S)-ES interface)
Test Frequency
128Hz/111Hz/105Hz/94Hz(AFC)
Short-circuit Test Current
AC 20 mA 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-30.00 kΩ automatic shift
Soil Resistivity: 0.00Ωm-9000 kΩm automatic shift
Backlight
Controllable white screen backlight, suitable for dim places
Display Mode
4-digital super-large LCD display, white screen back light
Measurement Indication
During measurement, LED flashes, LCD count down display, progress bar indication
LCD  Dimension
128 mm×75 mm
LCD display Dimension
124 mm×67 mm
Meter Dimension
215 mm(L)×190 mm(W)×95 mm (H)
Standard Test Wire
4 wires: each for red 20m, black20m, yellow10m, and green 10m
Simple Test Wire
2 wires: each for red1.6 mand black1.6m
Auxiliary Ground Rod
4 pcs: Φ10 mm×150 mm
Measurement Time
Voltage to ground: about 3 times/second
Earth resistance, soil resistivity: about 5 seconds/time
Measurement Times
Over 5000 times (Short-circuit test, measurementinterval time should be at least 30 seconds)
Line Voltage
below AC 600V
Communication Interface
With USB interface, software monitoring, storage data can be uploaded to computer, saved or printed.
Communication Cable
1 PCS USB communication cable, length 1.5m
Data Storage
300 sets, “MEM” symbol storage indication,display “FULL” symbol indicate storage full
Data Hold
Data hold function: “HOLD” symbol display
Data Access
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
When power voltage lower than 7.8V, display low power voltage symbol,and remind to replace battery
Working Current
Standby: about 20mA (Backlight shut off)
Boot up and with backlight: about 45mA (25mA without backlight)
Measurement: about 100mA (Backlight shut off)
Weight
Tester: 950g
Test wires:1560g
Auxiliary ground rods:935g(4pcs)
WorkingTemperature & Humidity
-10℃-40℃, below 80%rh
Storage temperature & humidity
-20℃-60℃, below 70%rh
Overload Protection
Measurement of earth resistance: between each interfaces ofC(H)-E、P(S)-ES,AC 280V/3 seconds
Insulation Resistance
Over 20MΩ (between circuit and shell 500V)
Withstand Voltage
AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features
IEC61326(EMC)
Suitable  Safty Standard
IEC61010-1 (CATⅢ300V、CAT IV 150V、Pollution Level 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
1Ω
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
Packing
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
PAYMENT INFORMATION:
1.We can accept Credit Cards,Paypal,T/T,Escrow and so on.
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WARRANTY INFORMATION:
1.All the products have been checked and packed in good condition before dispatch.
2.All the products with one year warranty.
3.If you find any quality problems,please send it back within 3 days,and we'll send you a new one or refund you the payment after we get the returned one.
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5.All products returned should be in new conditions.