The functions of the REL key are as follows: The REL key is a multi-function key combination that works in trigger mode. When V, Ω measuring gear, it is used as RANGE key, and the clamp meter is preset as automatic measuring range when starting up. Press this key to switch to manual range. In the manual range state, press this key to jump up one gear, if in the highest gear then jump to the lowest gear. Press and hold this key for more than 2 seconds to switch back to automatic range. When measuring gear A, press this key to make the clamp watch use the current display value as a reference value, and set the display to \"0\
If the multimeter is configured with RS232 interface, it can be used to connect with the computer, and the software can be remotely configured and tested.
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This interface is not configured for a common multimeter!
This interface is not configured for a common multimeter!
Learn how to use a multimeter! It's basic knowledge, basic skills!