Earth Resistance Soil Resistivity Tester Earth Voltage AC Voltage Measurement

Description

Earth Resistance Soil Resistivity Tester Earth Voltage AC Voltage Measurement
Instruction
：
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.
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
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
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: 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: 0.00Ω-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)-E
、
P(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
Ⅲ
300V
、
CAT IV 150V
、
Pollution 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