
Product Series : High Accuracy Clamp Leakage Current Meter
Measurement of AC current
Current range: AC 0.0A~4000A
Clamp jaw size: 108mm×148mm
Memory: data storage 99 groups
Peak hold function
USB communication interface
Product Introduction
ETCR EM7100A Super Large Caliber Clamp Leakage Current Meter, also known as clamp type current tester, super large clamp jaw current meter, which is used for measurement of AC current. Super large caliber(108mm×148mm: can clamp φ108mm cable), especially suitable for detecting large cable current and busbar current. It is widely used in fields of electricity, communication, meteorology, railway, oil field, construction, metrology, scientific research and teaching unit, industrial and mining enterprise, etc.
ETCR EM7100A Super Large Caliber Clamp Leakage Current Meter with peak hold, data hold, data storage and other functions. The meter equipped with USB communication function, it can be monitored in real-time online on the PC through USB interface and upper computer software, dynamically displaying maximum, minimum, and average values. It also has alarm value setting and indication function, as well as functions such as historical data reading, saving, and analysis.
1.Super large caliber: 108mm×148mm, especially suitable for detecting large cable current and busbar current, which is an essential tool for electrical safety testing.
2.Peak hold function.
3.Memory function: data storage 99 groups.
4.USB communication function.


Technical Parameters
Model | EM7100 | EM7100A |
Current Range | AC 0.0mA~3200A | AC 0.0A~4000A |
Max Resolution | AC 0.1mA | AC 0.1A |
Current Accuracy(23℃±3℃, below 70%RH, measured wire at the center of the clamp) | AC 0.0mA~499A ±2%rdg±5dgt | |
AC 500A~999A ±3%rdg±5dgt | ||
AC 1000A~2999A ±4%rdg±5dgt | ||
AC 3000A~4000A ±5%rdg±5dgt | ||
Power Supply | DC6V alkaline dry batteries (LR6 1.5VX4PCS) | |
Weight | 1920g (include battery) | |
Meter Dimension | 350mmX180mmX55mm | |
CT Size | 108mmX148mm (can clamp φ108mm cable or 160mmX4mm flat cable or steel flat ground cable) | |
Sampling Rate | 2 times/second | |
Frequency | 50Hz, 60Hz automatic identification | |
Communication Interface | With USB interface, storage data can be uploaded to computer, convenient to data analyze, communication cable length: 1.8m | |
Data storage | 99units, flash display “FULL” symbol indicate storage full | |
Data Hold | Data hold function: “HOLD” symbol display | |
Overflow Display | Exceed measure range overflow function: “OL” symbol display | |
PEAK Hold | Press PEAK key to open the peak hold function, press PEAK key once again to cancel this function | |
Auto Shut Down | 5 minutes after power on, it will power off automatically without any operation to reduce the power consumption. | |
Battery Voltage | While battery voltage is lower than 5.2V. low battery voltage symbol display, remind to replace the battery | |
Backlight | Yes | |
Line Voltage | Below AC 600V circuit measurement | |
Accessories | Meter: 1PCS; USB communication cable: 1PCS; Meter Case: 1PCS; LR6 battery: 4PCS | |
Model Comparison
| Product Picture | Product Model Name | Clamp Jaw Size | Current Range | Communication Method | Others |
![]() | ETCR EM6300 High Precision Clamp Leakage Current Meter | 25mm×30 mm | AC 0.000mA~60.0A | USB | |
![]() | ETCR EM6540 Mini Clamp Leakage Current Meter | Φ40mm | AC 0.00mA~300A | -- | |
![]() | ETCR EM6640A Clamp Leakage Current Meter | Φ40mm | AC 0.00mA~300A | Bluetooth | True vitrual value Harmonics Flashlight |
![]() | ETCR EM6670A High Precision Clamp Leakage Current Meter | Φ70mm | AC 0.00mA~1200A | Bluetooth | True vitrual value Harmonics Flashlight |
![]() | ETCR EM6680A Large Caliber Clamp Leakage Current Meter | 80mm×80mm | AC 0.00mA~2000A | Bluetooth | True vitrual value Harmonics Flashlight |
![]() | ETCR EM7100 Super Large Caliber Clamp Leakage Current Meter | 108mm×148mm | AC 0.0mA~3200A | USB | |
![]() | ETCR EM7100A Super Large Caliber Clamp Current Meter | 108mm×148mm | AC 0.0A~4000A | USB |
Product Video