Difference between revisions of "BBC Goertz Metrawatt M2110"
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The ''BBC Goertz Metrawatt M2110'' is a historic (about 1984) 30000 count bench multimeter with RS232 connectivity. | The ''BBC Goertz Metrawatt M2110'' is a historic (about 1984) 30000 count bench multimeter with RS232 connectivity. | ||
The manufacturer is called [[Gossen Metrawatt]] today. | |||
= Hardware = | = Hardware = | ||
Revision as of 20:04, 18 December 2013
| Status | in progress |
|---|---|
| Source code | serial-dmm |
| Counts | 30000 |
| Connectivity | RS232 |
| Measurements | voltage, current, resistance, capacitance, temperature, diode, continuity |
| Features | manual range |
The BBC Goertz Metrawatt M2110 is a historic (about 1984) 30000 count bench multimeter with RS232 connectivity.
The manufacturer is called Gossen Metrawatt today.
Hardware
RS232 Interface:
- 150/300/600/1200/2400/4800/9600 baud, configurable via rotary switch
- 7 data bits
- No/even/odd parity, configurable via DIP switches
- 1 or 2 stop bits, configurable via DIP switch
- Optional CTS handshake, configurable via DIP switch
- Output intervals 0,66s/10s/1m/10m/1h/manual/remote controlled, configurable via rotary switch
- Manual output sends value on button Start/Reset pressed.
- Remote controlled output sends data on CTS set or ENQ sent, configurable via DIP switches
- Max. 1,5 measurements/s.
RS232 cable:
- 25 pin "female" connector
- Null modem cable required (DTE configuration)!
Photos
Protocol
msg := SDDDDDD | 'OVERRNG' CR LF S := '-' | ' ' D := '0'..'9'|'.'