1. Introduction
The TAXNELE D52-2066 is a high-precision, stable, and easy-to-install 6-in-1 DIN rail AC monitor designed for comprehensive electrical parameter measurement. This multi-function digital meter provides real-time readings for AC voltage, AC current, frequency, power factor, active power, and electric energy (KWH). It is suitable for various applications including grid power, photovoltaic systems, and inverter current monitoring.
Figure 1: Front view of the D52-2066 AC Monitor
Video 1: Product demonstration of the D52-2066 AC Monitor.
2. Safety Warnings
- Unauthorized disassembly or modification of the device is strictly prohibited.
- Avoid operation during rainy weather conditions.
- Do not use the device in humid environments.
- Do not change the wiring configuration without authorization.
- Avoid prolonged operation under overload conditions.
- In case of any abnormality, immediately disconnect power and contact after-sales service.
3. Specifications
The D52-2066 AC Monitor offers precise measurement capabilities for various electrical parameters. Key specifications are detailed below:
| Parameter | Range / Value | Resolution / Notes |
|---|---|---|
| Measurement Accuracy | 1% ± 2 words | |
| AC Voltage | AC 40.0-300.0V or AC 250.0-450.0V | 40-300V for grid, photovoltaic, inverter current; 250-450V only for 380V. (Select one type upon order) |
| AC Current | 0-100.0A | 0.01A resolution |
| Frequency | 45.0Hz – 65.0Hz | |
| Power Factor | 0.00-1.00PF | |
| Electric Power | 0-450000W | 0.1W resolution (0-9999.9W), 1W resolution (otherwise) |
| Electric Energy (KWH) | 0-99999kwh | 0.01kwh resolution (0-999.99kwh), 0.1kwh resolution (1000.0-9999.9kwh), 1kwh resolution (>9999.9kwh) |
| Measurement Speed | Approximately 2 times per second | |
| Dimensions (L x W x H) | 64mm x 45mm x 80mm | |
| Shell Material | Flame-retardant material | |
Figure 2: Detailed Product Parameters
Figure 3: Product Dimensions
Figure 4: Flame Retardant Shell
4. Installation
Installation of the D52-2066 AC Monitor must be performed by a qualified electrician to ensure safety and proper functionality. The device is designed for DIN rail installation.
4.1 Choosing the Current Transformer (CT) Type
The D52-2066 is available in two versions: with a Built-in CT or an External CT. Ensure you have selected the correct type for your application.
Figure 5: External CT vs. Built-in CT Options
4.2 Wiring Diagrams
Follow the appropriate wiring diagram based on your chosen CT type:
4.2.1 Built-in CT Wiring
For the Built-in CT version, the wire carrying the current to be measured should pass directly through the designated hole on the right side of the meter. Connect the AC voltage input to terminals 1 and 2.
Figure 6: Built-in CT Wiring Diagram
4.2.2 External CT Wiring
For the External CT version, connect the external current transformer to terminals 3 and 4. The wire carrying the current to be measured should pass through the hole of the external current transformer. Connect the AC voltage input to terminals 1 and 2.
Figure 7: External CT Wiring Diagram
4.3 DIN Rail Mounting
The D52-2066 is designed for easy mounting on a standard DIN rail, commonly found in electrical distribution boxes.
Figure 8: DIN Rail Installation
5. Operation
- After power is connected to the device, check whether the indicator light illuminates. This indicates that the meter is receiving power.
- Once the meter is powered on and operating normally, electricity consumption data and other parameters will be displayed on the multi-color LCD screen.
- The 'RESET' button on the front panel is used to clear the accumulated electric energy (KWH) data. Press and hold the button to reset the KWH reading.
Figure 9: Multi-Function Display
6. Precautions
- Ensure all wiring is correct and secure before applying power. Incorrect wiring can damage the device or pose a safety hazard.
- Do not expose the device to direct sunlight or extreme temperatures.
- Clean the device with a dry cloth only. Do not use liquids or abrasive cleaners.
- The meter is designed for AC circuits only. Do not connect to DC power.
7. Troubleshooting (FAQs)
- Q: The indicator light does not illuminate.
- A: Check whether the power supply is normal and properly connected to terminals 1 and 2.
- Q: The readings appear inaccurate.
- A: Calibration may be required. Ensure the CT is correctly installed and the wire passes through it properly. If issues persist, contact support.
- Q: The device is making abnormal noise.
- A: Immediately discontinue use and disconnect power. Contact maintenance service or after-sales support.
8. User Tips
- For accurate KWH (kilowatt-hour) readings, ensure the meter is installed correctly and the current transformer is properly positioned around the load wire.
- The 'RESET' button is specifically for clearing the KWH accumulation. Be mindful when pressing it if you need to track long-term energy consumption.
- This meter is designed for AC voltage ranges up to 450V. Do not attempt to measure voltages exceeding this limit, such as 660 VAC, as it is outside the device's specified operating range.
- The wide viewing angle (178°) of the LCD screen allows for clear readings from various positions, making it convenient for monitoring in different setups.
Figure 10: DIN Rail Installation with Wide Viewing Angle
Figure 11: Wide Range of Applications
9. Warranty and Support
For any issues, maintenance, or after-sales service inquiries, please contact the seller or manufacturer directly. A detailed user manual in PDF format is also available for download: User Manual (PDF).
