Difference between revisions of "Metex ME-21"
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(→Photos: Add some Photos) |
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| categories = CAT II (1000V) | | categories = CAT II (1000V) | ||
| connectivity = RS232 | | connectivity = RS232 | ||
| measurements = voltage, resistance, continuity, diode, current, frequency | | measurements = voltage, resistance, continuity, diode, current, frequency, logic | ||
| features = hold, | | features = bargraph, data hold, Min/Max | ||
| website = [https://www.tequipment.net/MetexME-21.html tequipment.net] | | website = [https://www.tequipment.net/MetexME-21.html tequipment.net] | ||
}} | }} | ||
| Line 17: | Line 17: | ||
TODO. | TODO. | ||
UM7106 3 1⁄2 Digit A/D Converter | |||
Isolated RS232 Port, needs "active" USB RS232 Adapter or native RS232 Port. | |||
== Photos == | == Photos == | ||
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File:Metex_ME-21_PCB_Top.jpg|<small>PCB Top</small> | File:Metex_ME-21_PCB_Top.jpg|<small>PCB Top</small> | ||
File:Metex_ME-21_PCB_Bottom.jpg|<small>PCB Bottom</small> | File:Metex_ME-21_PCB_Bottom.jpg|<small>PCB Bottom</small> | ||
File:Metex_ME-21_Controller.jpg|<small>PCB Controller</small> | |||
</gallery> | </gallery> | ||
Latest revision as of 21:49, 26 May 2020
 | |
| 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
Multimeter:
RS232 Port
PCB Top
PCB Bottom
PCB Controller
Protocol
See Multimeter_ICs#Metex_14-byte_ASCII for the DMM IC protocol.
Resources
TODO.