Description
Key Features:
- Large Caliber Clamp: The ETCR7300 Large Caliber Three-Phase Clamp Power Meter is equipped with a clamp size of 80mm x 80mm, allowing it to easily clamp cables up to φ80mm in diameter or 96mm x 4mm flat steel grounding leads, making it ideal for diverse field applications.
- Comprehensive Measurement Functions: This multi-functional power meter is capable of measuring three-phase AC voltage, current, frequency, power factor, and more, making it suitable for comprehensive electrical system analysis and diagnostics.
Versatile Applications:
- Transformer Diagnostics: The ETCR7300 series is designed for tasks such as distinguishing transformer wiring groups, identifying inductive and capacitive circuits, and checking the phase relationships between differential protection CT groups. It can also verify correct wiring of electric meters and assist in equipment maintenance.
- Data Storage & Upload: The meter comes with data storage capabilities that can store up to 200 sets of measurement data. Through the RS232 interface, users can upload stored data to a computer for real-time monitoring, historical data queries, and report generation, streamlining data management.
Durable & Reliable:
- Anti-Interference Technology: The ETCR7300 power meter is built with a special alloy iron core and features advanced magnetic shielding technology. This ensures minimal interference from external magnetic fields, guaranteeing long-term stability and high measurement accuracy, even in complex electrical environments.
- Backlight & Data Hold: With backlight functionality and data retention, this power meter is designed for ease of use in both bright and dim environments, making it an indispensable tool for electrical safety testing and field inspections.
Specifications
| Model | ETCR7300 | ETCR7300A | |
| 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 | 6V DC(LR6X4 alkaline dry batteries, continuous working for 12 hours) | ||
| 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 | ||
| 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 | ||