1 This instrument is a precision measuring instrument,please avoid using under bad environment,it’s not allow to change the circuit,replace the component and calibrate and repair the meter without obtaining the authorization of the Product Service Center of our company.
2.If there is no display on the LCD even when there is power left,then please check the connecting condition of the bartteries.
3.The batteris should be replaced when the low power symbol displayed.Make sure the measuring circuit is cut off.Loose the screw of the battery box,take out the batteries and install the new one,please pay attention to the polarity,after that,put back the cover and fasten with screw.
4 IF you don’t use the meter for a long period.please take out the batteries to prevent the electrolyte leakage which may affect the usage of the meter or even damage the meter.
