[Craig] cracked open a multimeter to unlock RS232 serial communications that can be used for data logging. There’s a couple of things that make this possible. First of all, the multimeter’s ...
This module works with many low cost multimeters that have an RS232 interface. These multimeters send packets of data over the serial port in binary format representing the state of the individual LCD ...
My DMM is Twintex TM287 (3 5/6 digit True RMS multimeter, 6000 counts with Analog bar), which uses FS9922-DMM4 IC from Fortune Semiconductor Corp., This IC is also used in the DMM UNI-T UT61D. The DMM ...
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