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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