DT830B Digital Multimeter
Digital multimeters are electronic instruments that are used in electrical measurements. It can have many special functions, but the main function is to measure voltage, resistance and current, digital multimeter, as a modern multi-purpose electronic measuring instrument, mainly used in physical, electrical, electronic and other measurement fields.
How to use
(1) Set the ON/OFF switch to the ON position and check the 9V battery. If the battery voltage is insufficient, it will be displayed on the monitor. In this case, replace the battery. If the display does not appear, follow the steps below.
(2) The symbol next to the test pen jack indicates that the input voltage or current should not exceed the indicated value. This is to protect the internal circuitry from damage.
(3) Before testing. The function switch should be placed in your desired range.