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Product Description

Overview
- ETCR7300 series Large Caliber Three Phase Clamp Power Meter is a multi-functional, digital and intelligent instrument, which is specially designed and manufactured to measuring for the field measurement of three-phase ac voltage, current, leakage current, phase between voltage, phase between voltage and current, frequency, phase sequence, electric energy, active power, reactive power, apparent power, power factor and total power and so on, the clamp with large caliber (80mmX80mm: can clamp an test φ80mm cable, or 96mmX4mm flat steel grounding leads), convenient to use, fully compatible with the functions of large caliber clamp leakage current meter and micro-power clamp meter, also can be used to distinguish transformer connection group, sensibility, capacity circuit, reading out the phase relationship between with every groups differential protection CT , check the watt hour meter wiring correctly or not, maintenance line equipment, etc., providing a safe, accurate and convenient new type power meter to the electricity inspection personnel.
- ETCR7300 series Large Caliber Three Phase Clamp Power Meter iron core select and make with special alloy, adopts magnetic shielding technology, almost unaffected by the external magnetic field, ensures long time continuous measurement of strong anti-interference ability, ensure high accuracy, high stability and high reliability. The meter with the RS232interface, can storage data 200 groups, system software can upload storage data to computer, realize online real-time monitoring and historical query, dynamic display, with historical data reading, saving, printing and other functions. The instrument also has backlight function and data retention function, which is a necessary tool for electrical safety testing.
ETCR7300A Technical Specifications
Function | 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. |
Power Supply | 6V DC (LR6×4 alkaline dry batteries, continuous working 12 hours) |
Apparent Power Measurement | AC 0.0KVA~1200KVA Resolution 0.1KVA |
Clamp Size | 80mmx80mm (can clamp Φ80mm wire, or 96mm × 4mm grounding flat steel) |
Current Range | AC 0.0A~2000A; Resolution 0.1A |
Voltage Range | AC 0~600V; Resolution 0.01V |
Active Power Measurement | AC 0.0KW~1200KW; Resolution 0.1KW |
Reactive Power Measurement | AC 0.0Kvar~120Kvar; Resolution 0.1Kvar |
Data Storage | 200 Groups, flash display “FULL” symbol indicate storage full. |
Frequency Range | 25Hz~100Hz; Resolution 0.1Hz |
Phase Range | 0.0°~360.0°; Resolution 0.1° |
Shift | Automatic |
Sampling Rate | 2 times/second |
Line Voltage | Below AC 600V circuit test |
Meter Dimension | 275mm(L)×145mm(W)×40mm(H) |
Backlight | Yes, Suitable for dark places |
Data Hold | Data hold function: "HOLD" symbol display |
Overflow Display | Exceed measure range overflow function: “OL” symbol display |
Power Factor Range | 0.300~1.000; Resolution 0.001 |
Power Energy Range | 0.0000KWh~72000KWh; Resolution 0.0001KWh |
Battery Voltage | While battery voltage is lower than 5.2V. low battery voltage symbol display, remind to replace the battery |
Weight | 830g |
Working Current | Open backlight 50mA; Close backlight 25mA |
Working Environment | -10℃~40℃;below 80%rh |
Store Environment | -10℃~60℃;below 70%rh |
Communication Interface | WithUSB interface, storage data can be uploaded to computer, convenient to data analyze, communication cable length: 1.8m |
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