TESMEN TSM-522S Smart digital multimeter is fully functional, including automatic and manual modes, the automatic mode can measure AC/DC voltage, resistance and continuity, and the manual mode can measure AC/DC voltage, non-contact voltage, diode, capacitance, resistance, continuity, frequency and live wire, which is great to meet a variety of measurement needs, and is convenient for you to flexibly choose the operating space. This multimeter is an essential tool equipment, multifunctional features to meet your daily measurement needs, tesmen multimeter is the ideal measurement tool you need!

What questions you may encounter?
Q: Can I do it manually?
A: Yes, you can. This smart multimeter adopts two modes combining automatic and manual, and you are free to choose whether to operate manually or not.
Q: Can I measure diodes and capacitors?
A: Yes. This smart multimeter is multifunctional, you can measure AC/DC voltage, diode, capacitance, resistance, continuity, non-contact voltage test and live wire.
Q: How to use the NCV function?
A: First, unplug the multimeter leads, they are not needed for this function;
Second, directly press the "FUNC"button to select the "NCV" gear;
Finally, if the AC signal is strong, the screen will display "---H", the buzzer will beep quickly, and the red light will turn on;If a weak AC signal is detected, the screen will display "---L", the buzzer will sound slowly, and the green light will turn on.
Q: How to use TSM-522S?
A: First, install the included batteries. Remove the rubber sleeve on the back of the multimeter, open the back cover of the batteries, put 2 AAA batteries into the battery compartment according to the polarity markings, and then re-cover the battery cover.
Secondly, remove the protective cover of the lead wires and insert the red wire into the red port "INPUT" and the black wire into the gray port "COM“.
Third, the default mode is auto mode, press the "FUNC” button to select manual mode, you need to select the measurement task in manual mode, long press the "FUNC" button to cancel the manual mode and go back to auto mode.