Digital multimeter is a precision electronic instrument, do not change the circuit at will, and pay attention to the following points:
⒈ Do not connect the voltage higher than 1000V DC or higher than 700V AC RMS voltage.
⒉Do not connect the voltage source when the function switch is in the Ω and position.
⒊Please do not use this watch when the battery is not installed or the back cover is not tightened.
