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Your cart is empty.Plug in volt meter, flat us plug ac 80-300v LCD digital voltmeter voltage test monitor, ac 110v 220v voltage panel power line volt test monitor gauge meter for household plug into outlet to measure voltage Parameters: Measuring Accuracy: +/-1.5%, +/- 2 word Measuring Range: AC 80-300V (110V, 220V) Consume Power: Less than 1W(about every 1200hours consume 1 kilowatt-hour) Plug Style: US Plug Number of Digits: 3 Digits Dimensions: 55 mm (length) x 40 mm (width) Color: White Potentiometer Adjusting Method: 1. Please use the Phillips screwdriver to open the outer case of the voltmeter; then adjust the potentiometer with small size Phillips screwdriver. 2. If the displayed voltage is too high, please adjust potentiometer counter-clockwise; 3. If the displayed voltage is too low, please adjust potentiometer clockwise. Application: The monitor can be widely applied in AC 80-300V mains measurement, such as office, factory, laboratory, household and so on. You can use this item in RV as a way to view voltage to prevent issues with appliances. You can use this item to monitor the voltage of other appliances; when this volt gauge displays too high or too low voltage, you can selectively turn off your appliances or equipments so as to prolong the life of your appliances. Notice: Keep the kids away from the product. Do not use the product in a damp environment. Package Includes: 2 x Voltage Test Meter
Sprad
Reviewed in the United States on February 19, 2025
Bright blue display making this item easy to read. Just plug in to a receptacle and that is it. Easy to use. The accuracy of these devices are spot on with my calibrated volt meter.Quality seems good in appearance.Not UL certified and the directions (although self explanatory) are a poor translation from some other language.I don’t know if these can stay plugged in 24/7 but I will just plug in when I am curious if the incoming line voltage is above or below public service commission guidelines.
Nelson Diaz Fernandez
Reviewed in the United States on August 11, 2024
Simply to use and it is also a very good night light.
MotelMan
Reviewed in the United States on June 10, 2024
Haven't used it yet, but one is in my trailer, the other will go to my brother for his trailer....Good for checking electric load when the generator kicks in.
EngineerMan
Reviewed in the United States on February 5, 2024
Simple and easy to read
Stephen
Reviewed in the United States on January 23, 2023
A few volts off from my fluke meter, that doesn’t really matter. Nice having them in all the time, especially when I have the generator fired up
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