
Product Series : Large Caliber Clamp Current Meter
Measurement of AC current, voltage, phase; active power, reactive power, apparent power, power factor, total power, frequency, phase sequence, electrical energy and other parameter measurement.
Current measurement range: AC 0.0A~2000A
Voltage measurement range: 0.00V~600V
Phase measurement range: 0.0°~360°
Clamp jaw size: 80mm×80mm
Memory: data storage 200 groups
USB communication interface
Product Introduction
ETCR EM7300A Large Caliber Three Phase Clamp Power Meter, also known as clamp type power meter, super large caliber clamp type power meter, three phase clamp type power meter, which is used for measurement of AC Voltage, current, voltage phase, phase between voltage and current, frequency, phase sequence, , electrical energy ; active power, reactive power, apparent power, power factor, total power and other parameter measurement.
ETCR EM7300A Large Caliber Three Phase Clamp Power Meter with high precision, good stability. Large caliber clamp(80mm×80mm) is exceedingly useful, the meter can store 200 groups data and the storage data can be uploaded to computer via USB interface and system software, which achieving reading, saving, printing and other functions of historical data.
1.Large caliber clamp jaw 80mm×80mm (can clamp φ80mm electrical cable, or 96mm×4mm flat steel ground wire), convenient to use.
2.Suitable for measurement of Max. Current(2000A).
3.Memory: data storage 200 groups.
4.USB communication interface.


Technical Parameters
Model | EM7300 | EM7300A | |
Function | Measure leakage current, active power, reactive power, apparent power and other parameters | Measure large current, large power, can not measure leakage current, the current up to 5A can display the active power, reactive power, apparent power and other parameters. | |
Current Range | AC 0.00mA~1200A Resolution 0.01mA | AC 0.0A~2000A Resolution 0.1A | |
Power Range | AC 0.5W~720kW Resolution 0.01W | AC 0.0KW~1200kW Resolution 0.1kW | |
Apparent Power Measurement | AC 0.50VA~720kVA Resolution 0.01VA | AC 0.0kVA~1200kVA Resolution 0.1kVA | |
Reactive Power Measurement | AC 0.50var~720kvar Resolution 0.01var | AC 0.0kvar~1200kvar Resolution 0.1kvar | |
Voltage Range | AC 0~600V Resolution 0.01V | ||
Frequency Range | 25Hz~100Hz Resolution 0.1Hz | ||
Phase Range | 0.0°~360.0° Resolution 0.1° | ||
Power Factor Range | 0.300~1.000 Resolution 0.001 | ||
Power Energy Range | 0.000kWh~72000kWh Resolution 0.0001kWh | ||
Highest precision | ±(1.5%rdg+5dgt) | ||
Power Supply | DC6V alkaline dry batteries (LR6 1.5VX4PCS) | ||
Working Current | Backlight open 50mA; Backlight close 25mA | ||
Weight | 830g (with battery) | ||
Meter Dimension | 275mmX145mmX40mm | ||
CT Size | 80mmX80mm (can clamp φ80mm cable or 96mmX4mm steel flat ground cable) | ||
Sampling Rate | 2 times/second | ||
Frequency | 50Hz, 60Hz automatic identification | ||
Communication Interface | Storage data can be uploaded to computer, convenient to data analyze, communication cable length: 1.8m | ||
Data Storage | 200 groups, 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 | ||
Auto Shut Down | 15 minutes after power on, it will shut down 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, Controlled by “ * ”key | ||
Line Voltage | Below AC 600V circuit measurement | ||
Accessories | Meter: 1PCS; Test Wires: 4PCS (each of yellow, green, red, black); Communication cable: 1PCS; Meter Case: 1PCS; LR6 battery: 4PCS | ||
Model Comparison
| Product Picture | Product Model Name | Clamp Jaw Size | Current Range | Voltage Range | Frequency | Power Rang | Electric Power Range | Communication Method |
![]() | ETCR EM7300 Large Caliber Three Phase Power Tester | 80mm×80 mm | AC 0.00mA~1200A | AC 0.00V~600V | 25.0Hz~100.0Hz | 720kW | 72000kWh | USB |
![]() | ETCR EM7300A Large Caliber Three Phase Power Tester | 80mm×80 mm | AC 0.0A~2000A | AC 0.00V~600V | 25.0Hz~100.0Hz | 1200kW | 72000kWh | USB |
![]() | ETCR EM7350 Flexible Clamp Power Tester | Φ200mm | AC 0mA~6000A | AC 0.00V~600V | 25.0Hz~600.0Hz | 3600kW | 360000kWh | USB |
![]() | ETCR EM7350B Flexible Clamp Power Tester | Φ300mm | AC 0mA~6000A | AC 0.00V~600V | 25.0Hz~600.0Hz | 3600kW | 360000kWh | USB |
Product Video