Handheld Transformer Iron Core Earth Grounding Leakage Current Tester

Brief Introduction
Transformer iron core grounding current tester is specially designed for on-site testing of transformer iron core's grounding current, leakage current, frequency, waveform. It is composed of host, current clamp, data software, communication wires, etc. 

Technical Parameters

Function	iron core grounding current test, AC leakage current, current, frequency, waveform online analyze test
Power	DC7.4V large capacity rechargeable lithium battery, USB interface, fully charged continuous work 8 hours
Rated current	About 180mA max
Display mode	3.5 inches true color LCD display
Meter dimension	Host: 207mm(L) x 101mm(W) x 45mm(D)
	Current Clamp: 153mm x 290mm x 41mm
Clamp mouth	88mm x 88mm
Measurement Range	Current: 0.0mA~400.0A(50Hz/60Hz)
	Frequency: 10Hz~1000Hz
Resolution	AC 0.1mA
Accuracy	0.0mA~100.0mA       ±2%±3dgt
	100mA~2000mA       ±1%±3dgt
	2.00A~20.00A           ±1%±3dgt
	20.0A~400.0A           ±1%±3dgt
Detect rate	about 2s each time
Data hold	press "HOLD" key to hold datas, "HD" symbol display
Data reserve	200 groups
LCD brightness	press "UP/DOWN" key to adjust LCD background brightness
Alarm set	alarm critical value set range: 10mA~30.00A
Alarm indicate	when the test value exceeds alarm critical value, indicator flash, buzzer buzzling
Battery voltage	when the battery voltage is less than 6.5V, battery voltage "low symbol" displays, prompt charge for the battery
Auto shutdown	After start up 30mins, meter will automatically shutdown to reduce battery consumption
Meter weight	Host: 370g(including battery)
	Current clamp: 720g
	Total weight: 1.6kg
Recharge interface	USB interface
Current clamp wire length	2.7m
Working temperature/humidity	-10ºC~40ºC, 80%RH and below
Save temperature/humidity	-10ºC~60ºC, 70%RH and below
Electric field interference	outer electric field 100A , approach to 10mm about 20mA
Withstand voltage	meter circuit and outer house withstand 1000V/50Hz, sine wave AC voltage withstand 1min
Insulation	meter circuit and protective house ≥100MΩ
Structure	Dual insulation, with insulated shockproof protective set
Meet	IEC61010-1  CAT  III 600V,  IEC-61010-031, IEC-61326, pollution grade 2

Working Conditions

Affect factors	Basic conditions	Working conditions
environment temperature	23ºC±1ºC	-10ºC~40ºC
environment humidity	40%~60%	<80%
signal frequency	50Hz ± 1Hz	10Hz~1000Hz
meter working voltage	7.4V ± 0.5V	7.4V ± 1V
waveform current amplitude	/	10mA~400A
outer electric field, magnetic field	should avoid
Tested wires position	the tested wire approach to the center of clamp mouth

Company Profile:
Wuhan Hezhong Electric Equipment Manufacture Co., Ltd is a high-tech enterprise professionally engaged in R & D, manufacture and marketing of power testing products, instruments, power industry automation systems for 20 years.We export completed set to Korea, Singapore, Vietnam, India, Ecuador, Paraguay, Pakistan, Philippines, Russia, Italy, Austria, Portugal, Chile such as PD test system, impulse voltage generator, temperature rising test system, transformer comprehensive test system, cable fault detect system and varies of instruments for transformer, circuit breaker, switchgear, lightning arrestor, insulator, cable, battery, SF6 gas and so on.

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