Voltcraft M-3650CR
 | |
| Status | in progress |
|---|---|
| Counts | 2000 |
| IEC 61010-1 | — |
| Connectivity | RS232 |
| Measurements | voltage, current, resistance, capacitance, hFE, diode, continuity, frequency, logic |
| Features | data hold, bargraph, difference |
The Voltcraft M-3650CR is a 2000 counts handheld digital multimeter with RS232 connectivity.
It came into the market 1991 and is a rebadged Metex M-3650CR.
Hardware
Multimeter:
- Fuse: 2A/250V (5x20mm) (for the A jack; the 20A jack is unfused!)
- TODO.
RS232 cable:
Photos
Multimeter:
Package
Package, open
Device, front
Device, right side
Device, back
Device, size
Device, display self test on power on.
Device with test probes
Battery pack opened
Device opened
RS232 cable:
See Device_cables#Metex_5-pin_RS232_cable.
Protocol
The protocol is (partially) documented in the manual of the Voltcraft M-3650CR and was determined completely by testing. See Multimeter ICs#Alternative Protocol.
Support in sigrok
The device is supported by the driver for the Voltcraft M-3650D since 2013-10-23.
Currently the logic test and hFE (Transistor) functions do not work yet.
Example
sigrok-cli --driver=voltcraft-m3650d:conn=/dev/tty.usbserial --continuous --loglevel=1 -O analog
The name of the serial port might have to be adopted depending on operating system and serial port.