Metex ME-21

Metex ME-21

Status	supported
Source code	serial-dmm
Counts	2000
IEC 61010-1	CAT II (1000V)
Connectivity	RS232
Measurements	voltage, resistance, continuity, diode, current, frequency, logic
Features	bargraph, data hold, Min/Max
Website	tequipment.net

The Metex ME-21 is a 2000 counts, CAT II (1000V) handheld digital multimeter with RS232 connectivity.

Hardware

TODO.

UM7106 3 1⁄2 Digit A/D Converter

Isolated RS232 Port, needs "active" USB RS232 Adapter or native RS232 Port.

Photos

Metex Me 21 Controller

Metex Me 21 Port

Metex Me 21

Metex Me 21 Pcb Top

Metex Me 21 Pcb Bottom

Protocol

See Multimeter_ICs#Metex_14-byte_ASCII for the DMM IC protocol.

Resources

TODO.