1. Introduction
The AT4PW Smart Electricity Meter is a versatile digital power and energy monitoring device designed for AC 110V/220V systems up to 100A. It features a 2.4-inch LCD HD color display for real-time data visualization and offers remote control capabilities via WiFi. This device is designed for easy installation on a 35mm DIN rail and provides comprehensive monitoring of various electrical parameters.
2. Safety Information
Please read and understand all safety instructions before installation and operation. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Installation and maintenance should only be performed by qualified personnel.
- Ensure the main power supply is disconnected before any installation or wiring work.
- Do not operate the device in wet or damp conditions.
- Verify correct wiring connections (L-IN, L-OUT, N-IN, N-OUT) to prevent damage to the device or electrical system.
- The device is designed for indoor use only.
3. Product Overview
The AT4PW Smart Electricity Meter provides real-time monitoring and remote control capabilities for your electrical system. Key features include:
- WiFi Connectivity: Remote monitoring and control via a mobile application.
- 2.4-inch LCD HD Color Display: Clear visualization of electrical parameters.
- Comprehensive Data Display: Shows voltage (Vol), current (Cur), power (Pwr), energy (Ene), frequency (Fre), and power factor (Factor).
- Protection Functions: Adjustable undervoltage, overvoltage, and overcurrent protection.
- Easy Installation: Standard 35mm DIN rail mounting.
- Share Management: Allows multiple users to control and monitor the device.
3.1. Components and Display
The device features a main measurement display area and control buttons:
- Power Indicator: Indicates power status.
- BT Signal Indicator: (Not active in WiFi version)
- WiFi Signal Indicator: Indicates WiFi connection status.
- '+' Key Button: Single click to turn ON/OFF. Long press to enter the next test window.
- '-' Key Button: Single click to turn ON/OFF. Long press to enter the next test window.
- 'M' Key Button: Short press to set the parameter value. Long press to enter the background.
4. Specifications
| Parameter | Value |
|---|---|
| Model Number | AT4PW |
| Brand Name | VODOOL |
| Rated Voltage | L+N 85-265V 50-60HZ |
| Rated Current | 0-100A |
| Rated Power | 0-26.5KW |
| Undervoltage Protection | 90V-250V Adjustable |
| Overvoltage Protection | 90V-300V Adjustable |
| Overcurrent Protection | 10A-100A Adjustable |
| Installation | 35MM DIN Rail |
| Dimensions (L x W x H) | 97 x 76 x 76mm |
| Battery Included | No |
| DIY Supplies | Woodworking |
5. Installation
The AT4PW Smart Electricity Meter is designed for universal 35mm DIN rail installation, making it convenient to integrate into existing electrical panels.
- Mounting: Securely clip the meter onto a standard 35mm DIN rail in your electrical distribution box.
- Wiring: Refer to the wiring diagram in Section 6 for correct connection of input and output lines.
- Power On: Once wiring is complete and verified, restore power to the circuit.
6. Wiring Diagram
Proper wiring is crucial for the safe and correct operation of the AT4PW Smart Electricity Meter. Please follow the diagram below carefully.
Connection Points:
- L-IN (火线输入): Live AC Input
- L-OUT (火线输出): Live AC Output to Load
- N-IN (零线输入): Neutral AC Input
- N-OUT (零线输出): Neutral AC Output to Load
Ensure that the input (L-IN, N-IN) is connected to the main power supply and the output (L-OUT, N-OUT) is connected to the load you wish to monitor and control.
7. Operation
The AT4PW meter provides a clear display and simple button controls for local operation.
7.1. Display Interface
The 2.4-inch LCD HD color screen displays various electrical parameters:
- Vol: Current Voltage (V)
- Cur: Current (A)
- Pwr: Active Power (W)
- Ene: Energy Consumption (kWh)
- Fre: Frequency (Hz)
- Factor: Power Factor (PF)
- Additional information like AQI, PM2.5, Humidity, and Air Temperature may also be displayed.
7.2. Button Functions
- Short press '+' or '-': Switch between different function interfaces.
- Long press '+' or '-': Turn the device ON or OFF.
- Short press 'M': Set parameter values (e.g., protection thresholds).
- Long press 'M': Enter the background settings menu.
When the device is first turned on, the WiFi indicator will flash, indicating it is ready for network configuration.
8. Mobile App Control
The AT4PW Smart Electricity Meter supports remote control and monitoring via a mobile application, compatible with platforms like Tuya and Smart Life. This allows you to manage your electricity usage from anywhere with an internet connection.
8.1. App Installation and Setup
- Download App: Search for 'Tuya Smart' or 'Smart Life' in your mobile app store (iOS/Android) and install it.
- Register/Login: Create an account or log in to your existing account.
- Add Device: Follow the in-app instructions to add a new device. Ensure your phone's Bluetooth and WiFi are enabled. The app will guide you through connecting the meter to your home WiFi network.
- Configuration: Once connected, you can view real-time data, set protection parameters, schedule on/off times, and manage other functions remotely.
8.2. Remote Control Features
- Real-time Monitoring: View voltage, current, power, and energy consumption data instantly.
- Remote Switching: Turn the connected load ON or OFF from your smartphone.
- Scheduling: Set timers for automatic power control.
- Share Management: Grant access to other family members or authorized users.
9. User Tips
No specific user tips were available from reviews or Q&A for this product. However, general tips for smart electricity meters include:
- Regularly check the app for energy consumption trends to identify potential energy savings.
- Utilize the scheduling function for appliances that don't need to be on 24/7.
- Ensure your WiFi network is stable for reliable remote control and data logging.
10. Troubleshooting
If you encounter issues with your AT4PW Smart Electricity Meter, try the following:
- No Display/No Power: Check the main power supply and ensure all wiring connections (L-IN, N-IN) are secure.
- WiFi Indicator Not Flashing: Ensure the device is powered on. If it's still not flashing, try resetting the device (refer to the app or device settings for reset instructions).
- Cannot Connect to App: Verify your WiFi network is 2.4GHz (5GHz networks are often not supported by smart home devices). Ensure your phone is connected to the same WiFi network during setup. Try restarting your router and the meter.
- Inaccurate Readings: Double-check the wiring to ensure correct input and output connections.
- Remote Control Not Working: Confirm the meter has a stable WiFi connection and your mobile device has internet access.
11. Maintenance
The AT4PW Smart Electricity Meter requires minimal maintenance.
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Firmware Updates: Periodically check the mobile application for available firmware updates to ensure optimal performance and security.
- Environmental Conditions: Ensure the device is operated within its specified temperature and humidity ranges to prolong its lifespan.
12. Warranty and Support
For any issues not covered in this manual, or for warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
