Mastfuyi manufactures precision electronic measuring instruments, including digital multimeters, clamp meters, thermal imagers, and environmental testers for professional and home use.
Mastfuyi is a leading manufacturer of electronic test and measurement instruments, dedicated to providing precision tools for professionals and hobbyists alike. Operated by Huizhou City Fu Yi Electronic Technology Co., Ltd., the brand offers a diverse portfolio of diagnostic equipment designed for accuracy and safety.
The Mastfuyi product range includes advanced multimeter digital, clamp méter, jeung thermal imaging cameras, as well as specialized environmental testers such as sound level meters and coating thickness gauges. Engineered with user convenience in mind, their devices often feature intelligent auto-ranging, large backlit displays, and rugged protective casings.
Whether for residential electrical work, automotive diagnostics, or industrial maintenance, Mastfuyi instruments are built to deliver reliable performance and comply with rigorous global safety standards.
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Most Mastfuyi meters use AAA or 9V batteries. To replace them, ensure the device is turned off and test leads are removed. Unscrew the battery cover on the back, replace the old batteries observing the correct polarity, and secure the cover back in place.
Mastfuyi typically offers a one-year limited warranty from the date of purchase, covering defects in material and workmanship under normal use conditions.
The Non-Kontak Voltage (NCV) function allows you to detect the presence of AC voltage without touching the wire. Simply switch the meter to NCV mode and bring the sensor tip near the conductor; the meter will beep or flash if voltage dideteksi.
Yes, Mastfuyi thermal imagers can detect temperature differences caused by moisture evaporation or hot water pipes behind walls, making them effective for identifying potential leaks and plumbing issues.
Standard consumer models are factory calibrated. Over long periods of use, if accuracy drifts, professional calibration using a standard sound source is recommended. For general use, ensure the microphone is clean and the wind-resistant ball is used outdoors.