Product Details

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

Model	ETCR3200
Function	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	φ68mm
Accuracy of range ( error base on basic condition)	Test function	Range	Accuracy	Resolution
	2/3/4 pole method measure grounding 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 ~ 30kΩ	±4%rdg±3dgt	10Ω
	Selection method measure grounding 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
	Double clamp method measure grounding resistance(R)	0.01Ω ~ 1.00Ω	±10%rdg±5dgt	0.1Ω
		1.0Ω ~ 10.0Ω	±10%rdg±5dgt	0.01Ω
		10Ω ~ 100Ω	±10%rdg±5dgt	1Ω
	Soil Resistivity ( ρ )	0.00Ωm ~ 99.99Ωm	Base on the measurement accuracy of R ( 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 ~ 100.0V	±2%rdg±3dgt	0.1V
	AC current	0.00mA ~ 600.0A	±2%rdg±3dgt	0.01mA
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
Dimension	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)
Weight	Total weight: 8kg ;meter: 1653g( with battery ) ;clamp: 1050g (2 pc ) ; testing line: 1560g ; Auxiliary earthing rods: 935g (4pcs)
Humiture	-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 .
Accessory	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