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Command set:
Display parameters: UNITS OHMS
UNITS C
UNITS K
UNITS F
INPUT A
INPUT B
INPUT A-B
Analogue parameters: SPAN Value in Ohms
ZERO Value in Ohms
Measurement: MEASURE
Return to Local: LOCAL
Output Protocol
Replies will depend on the command implemented, and will be numeric or – with
commas and spaces as delimiters. All replies will be terminated by CR and LF. The
first number will be an error code.
0 No error
1 Calibration lost (EEPROM corruption)
2
3 Broken probe
4 Syntax error
6
7
There will be no further numbers if:
a) There is an error
b) The primary command was UNITS, INPUT or LOCAL
Further output will be provided in the case of MEASURE, DUMP (DIAGNOSE).
1. MEASURE
Eg. If output is 0, 2351.7
First number - error code
Second number - value in units set by previous commands