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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: ETCR
  • Model Number: ETCR3200
  • Display Type: Digital Only
  • Measuring Range: AC0.00mA~600A
  • Testing Voltage: 0~100V
  • Accuracy Class: 0.00mA
  • Operating Temperature: -10~40 Degree
  • Dimensions: 215*190*95mm

Packaging & Delivery

Packaging Details 1. 455*315*140 mm 1pcs/carton G.W.: 8KG;
2. 512*480*185 mm 3pcs/carton G.W:24KG
Delivery Time 5~15days

New Product!  ETCR3200 Double Clamp Grounding Resistance Tester


l  The measurement of earth resistance, soil resistivity, earth voltage, leakage current of grounding line, AC current, DC resistance

l  Test mode: precise 4-pole, 3-pole and simple 2-pole method, selection method, double clamp method

l  With strong anti-interfere ability, high stability and reliability for prolonged measure, and high accuracy

l  Size of clamp: Φ68mm

l  Testing frequency:128Hz/111Hz/105Hz/94Hz(AFC)

l  Range of grounding resistance:0.00Ω~30kΩ

l  Range of soil resistivity:0.00Ωm~9000kΩm

l  Range of grounding voltage:0~100V

l  Range of current:AC0.00mA~600A

l  Data upload by RS232 interface, alarm function

l  Storage of data:2000sets



Technology specification





measure grounding resistance, soil resistivity; Measurement of earth voltage, AC voltage, leakage current of AC current 

Power Supply 

DC 9V(Zn-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours ) 

Caliber of clamp 


Accuracy of range
( error base on basic condition) 

Test function 




2/3/4 pole method measure grounding resistance(R) 

0.00Ω ~ 30.00Ω 



30.0Ω ~ 300.0Ω 



300Ω ~ 3000Ω



3.00kΩ ~ 30kΩ



Selection method measure grounding resistance(R) 

0.00Ω ~ 30.00Ω 



30.0Ω ~ 300.0Ω 



300Ω ~ 3000Ω



Double clamp method measure grounding resistance(R) 

0.01Ω ~ 1.00Ω



1.0Ω ~ 10.0Ω 



10Ω ~ 100Ω 



Soil Resistivity ( ρ ) 

0.00Ωm ~ 99.99Ωm 

Base on the measurement accuracy of R 
( ρ=2πaR a :1 m ~ 100m ; π =3.14) 


100.0Ωm ~ 999.9Ωm 


1000Ωm ~ 9999Ωm 


10.00kΩm ~ 99.99kΩm 


100.0kΩm ~ 999.9kΩm 


1000kΩm ~ 9000kΩm 


Earth voltage 

AC 0.0 ~ 100.0V 



AC current 

0.00mA ~ 600.0A 



Measuring Method 

2/3/4 pole method: change-pole method, measurement current 20mA Max 

Selection method: change-pole method, measurement current 20mA Max 

Double clamp method: disconnect mutual inductance method, measurement current 1mA Max 

Soil Resistivity: 4-pole measurement (Wenner method) 

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

AC current: mutual inductance method 

Test Frequency 

128Hz/111Hz/105Hz/94Hz( AFC ) 

Short-circuit Current 

AC 20mA max 

Open-circuit Current 

AC 40V max 

Display Mode 

4-digital super-large LCD display, blue screen backlight 

LCD Dimension 

128mm ×75mm ; LCD demon: 124mm×67mm 


LxWxH: 215mm ×190mm×95mm 

Testing line 

6wires:red 20m ,black 20m ,yellow 10m ,green 10m ,red 1.6m ,black 1.6m one piece for each 

Auxiliary Earthing Rod 

4 pc: φ10mm×150mm 

RS232 interface 

RS232 interface, software supervision, storage data can be uploaded to computer, saved or printed; RS232 line:1 piece, 1.5m long; 

Data Storage 

2000 sets, “ MEM ” icon storage indicator, flash display “ FULL ” icon to indicate storage is full 

Interference Test 

Recognize interference signal automatically, “ NOISE ” means interference voltage exceed 5V 

Auxiliary Earthing Test 

Can measure auxiliary earth resistance, 0.00KΩ - 30kΩ(100 R + rC <50kΩ , 100 R + rP <50kΩ) 

Alarm Function 

When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint 

Battery Voltage 

When battery voltage is below7.5V, icon    will display, reminding to replace battery. 

Auto-shut off 

Automaticlly shut down 15minutes after booting 

Power Consumption 

Standby: about 20mA (Backlight shut off); Boot and with backlight: about 45mA (25mA without backlight); Measurement: about 100mA (Backlight shut off) 


Total weight: 8kg ;meter: 1653g( with battery ) ;clamp: 1050g (2 pc ) ; testing line: 1560g ; Auxiliary earthing rods: 935g (4pcs) 


-10 °C ~ 40 °C ;below 80%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) Withstanding Voltage : AC 3700V/rms.(Between circuit and enclosure) 

Safety rules 

IEC61010-1(CAT Ⅲ 300V , CAT IV 150V , Pollution 2) ; IEC61010-031 ; 

IEC61557-1( Earth resistance ) ; IEC61557-5( Soil resistivity ) ; JJG 366-2004 . 


Tester: 1 pc;clamp: 2 pc;Auxiliary Earthing Rod: 4 pc;test line: 4 pc;simple testing line: 2 pc; RS232 line: 1 pc;disk: 1 pc;box:1pc 



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