1. บทนำ
The YOUTHINK Electricity Usage Monitor is a power meter plug designed to help you understand and manage your home's energy consumption. This device accurately monitors the power usage of electronic appliances, whether in standby or active mode, allowing you to identify high-consumption devices and optimize your electricity usage to save money. It features a digital LCD display with a blue backlight for clear readability and includes various measurement parameters.

Image 1: The YOUTHINK Electricity Usage Monitor, a white device with a blue backlit LCD screen, plugged into a standard wall outlet. The screen shows initial readings of 0.0 KWh and 0 Day.
2. ข้อมูลด้านความปลอดภัย
- Do not use the device in wet environments.
- Ensure the total load of connected appliances does not exceed the maximum rated power of 1800W to prevent overload.
- เก็บให้พ้นจากมือเด็ก
- อย่าถอดแยกชิ้นส่วนหรือพยายามซ่อมแซมอุปกรณ์ด้วยตนเอง
3. คุณสมบัติของผลิตภัณฑ์
- Power Consumption Monitoring: Monitors standby or working power consumption of electronic devices.
- Blue Backlight LCD Display: Digital large LCD display with wide viewing angle for clear reading in various lighting conditions. Accumulates kWh circuit memory.
- คำเตือนการโอเวอร์โหลด: Displays "OVERLOAD" and emits an audible warning when the total power exceeds the rated limit (1650W).
- Various Parameters: Utilizes a high-precision current sensor to measure Power (W), Energy (kWh), Voltagอี (วี) Amperage (A), Power Factor, Cost, and Min/Max Power.
- ฟังก์ชั่นการเก็บข้อมูล: Stores final data even after a power outage or when the device is unplugged.

Image 2: A visual representation of the YOUTHINK Electricity Usage Monitor's application, showing it connected to a power strip with various household appliances like a refrigerator, air conditioner, water heater, HIFI system, and television, highlighting its versatility in monitoring different devices.
4. การตั้งค่า
- แกะกล่อง: Carefully remove the YOUTHINK Electricity Usage Monitor from its packaging. You will find the main unit and two small reset tools.
- การเพิ่มพลังเริ่มต้น: Plug the monitor directly into a standard 120V AC wall outlet. The LCD screen should illuminate.
- การเชื่อมต่อเครื่องใช้ไฟฟ้า: Plug the appliance you wish to monitor into the socket on the front of the YOUTHINK monitor.
5. คู่มือการใช้งาน
The monitor features four buttons: การทำงาน, ค่าใช้จ่าย, UP, และ ลง.
- ปุ่มฟังก์ชั่น: Press this button to cycle through the 7 different display modes (see Section 6).
- ปุ่มราคา: Press and hold for 3 seconds to enter the electricity price setting mode. Use the UP/DOWN buttons to adjust the price per kWh. Press FUNCTION to save the setting.
- ปุ่มขึ้น/ลง: Used to adjust values when in setting modes (e.g., setting electricity price).
6. โหมดการแสดงผล
The YOUTHINK Electricity Usage Monitor offers 7 distinct display modes to provide comprehensive data on your energy consumption. Press the การทำงาน button to switch between these modes:
- Time/Watt/Cost Display: Shows cumulative consumption time, current power in Watts, and cumulative cost.
- Cumulative Electricity Consumption (kWh): Displays total kWh consumed and cumulative consumption time (in days if over 24 hours).
- ฉบับเรียลไทม์tage/Frequency Display: แสดงปริมาณกระแสไฟฟ้าtage (V) and frequency (Hz) of the power supply.
- Real-time Current/Power Factor Display: แสดงปัจจุบัน amperage (A) and power factor.
- Minimum Power Display: Shows the lowest recorded power (W) during the monitoring period.
- Maximum Power Display: Shows the highest recorded power (W) during the monitoring period.
- Electricity Price Display: Shows the set electricity price per kWh.

Image 3: A detailed graphic showcasing the seven distinct display modes available on the YOUTHINK Electricity Usage Monitor. Each mode presents different electrical parameters such as Wattage, Cost, Kilowatt-hours, Voltage, Frequency, Current, Power Factor, Minimum Power, and Maximum Power, along with cumulative consumption time.
7. การป้องกันไฟเกิน
The monitor is equipped with an overload warning feature. If the total power consumption of the connected appliance(s) exceeds 1650W, the LCD screen will display "OVERLOAD" and an audible alarm will sound to alert the user. This feature helps prevent damage to the device and connected appliances, ensuring safe electricity usage.

Image 4: The YOUTHINK Electricity Usage Monitor's screen showing an