Digital Plug-In Electricity Monitor – Take Control of Your Energy Bills
Are you concerned about rising electricity costs and unsure which appliances are driving up your bill? This digital plug-in power meter allows you to see exactly how much energy your fridge, boiler, or any other household appliance is using in real-time. Calculate your costs by the hour, day, or month with ease. No electrician, complex wiring, or technical expertise required.
Note: The device connects directly between your wall socket and the appliance you wish to monitor. No tools or special setup are needed.
Why choose this energy monitor? (Key Benefits):
- High Accuracy ±1% – Provides reliable measurements for voltage, current, and active power, suitable for both home and professional use.
- Wide Measurement Range – Supports devices from 1W up to 3680W and currents between 0.01A and 16A.
- Automatic Cost Calculation – Simply input your electricity tariff (price per kWh) and the device will calculate the running cost of your appliance in real-time.
- Long-Term Monitoring – Tracks continuous consumption for up to 9,999 hours and 59 minutes, with an accumulation capacity of up to 9,999.99 kWh.
- Large 50×45 mm LCD Display – Clear, easy-to-read screen showing multiple parameters simultaneously for quick monitoring.
- Plug-and-Play – Designed for standard 230V/50Hz wall sockets, making it incredibly simple to use.
Performance and Technical Details
The wattmeter operates on a 230V AC input voltage at a standard 50 Hz frequency, making it fully compatible with the electrical grid in Ireland, Luxembourg, and Malta. It features an operating range of 190V to 270V, ensuring stable performance even during minor grid fluctuations.
Active power is measured between 1 W and 3680 W with a 0.5 W resolution, allowing you to detect even the smallest standby power consumption. The device’s own power consumption is a negligible 1.8 W, ensuring it does not interfere with your measurements.
Declared tolerances are: voltage ±3%, current ±3%, power ±3% (±1W), and the frequency indicator covers the 46–65 Hz range, making it useful for monitoring generators or alternative power sources.
| Parameter | Value / Detail |
|---|---|
| Input Voltage | 230V / AC 16A |
| Operating Voltage | 190V – 270V |
| Operating Current | 0.01A – 20A |
| Frequency | 50 Hz (indicator 46–65 Hz) |
| Active Power | 1 – 3680 W |
| Maximum Current | 16 A |
| Measurement Accuracy | ±1% |
| Tolerances | Voltage ±3%, Current ±3%, Power ±3% (±1W) |
| Power Resolution | 0.5 W |
| Consumption Range | 0 Wh – 9999.99 kWh |
| Recording Duration | 9999 hours and 59 minutes |
| Self-Consumption | 1.8 W |
| Display | LCD 50 x 45 mm |
| Device Dimensions | 135 x 82 x 70 mm |
Monitored Parameters
- Voltage (V)
- Current (A) and peak current (max A)
- Power consumption (W) and peak power (max W)
- Customisable power and current alert thresholds
- Total energy consumption for the session (kWh)
- Total cost of energy consumed
- Configurable price per energy unit (kWh)
- Total elapsed time of the measurement session
Setup and Usage Instructions
- Plug the wattmeter directly into a 230V wall socket.
- Connect the appliance you wish to monitor into the wattmeter socket.
- Switch on the appliance – the wattmeter will begin measuring automatically.
- Access the settings menu to input your price per kWh (as provided by your energy supplier) to enable automatic cost calculations.
- Optionally, set alert thresholds for maximum power and current.
- Use the dedicated button to cycle through the display parameters to view voltage, current, power, accumulated consumption, and cost.
- To reset the measurement session, press and hold the reset button as described in the included manual.
Package Contents
- 1 x Digital Plug-In Wattmeter
Frequently Asked Questions
Can this be used for three-phase appliances?
No. This wattmeter is designed exclusively for single-phase 230V / 50Hz networks, which are standard for residential and office sockets.
Can I set the electricity price in EUR per kWh?
Yes. The device allows for manual entry of the price per kWh, regardless of the currency, and will automatically calculate the total cost of energy consumed during the session.
Is data saved if there is a power cut?
Yes, the wattmeter features internal memory that retains accumulated consumption data and settings even during a power outage, without resetting the session counter.
Is it suitable for monitoring a fridge or boiler?
Yes, it is ideal for appliances with continuous or cyclic operation, such as refrigerators, boilers, air conditioning units, or washing machines, providing precise data over long periods.
What is the difference between displayed power and kWh consumption?
Power (W) represents the instantaneous consumption of the appliance at that moment, while energy (kWh) represents the total consumption accumulated over time. The wattmeter displays both, allowing for a comprehensive analysis of energy efficiency.
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