1. This product has no temperature measurement function
2. Do not receive higher than 1000V DC or 750V AC RMS voltage up above.
3. The range of errors not to take to avoid damage to the external circuit.
4. Do not use the meter cover is not a good time.
5. Replace the battery and fuse must be set aside in the pen and go off the power supply. Unscrew the cover screws and gently lift the cover slightly and push forward while the cover so that the cover is off the hook after the meter surface casing is removed from the back cover. Press the back cover of the note by the specifications to replace the battery and fuse