Hanna Instruments HI 2222 User Manual
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NSL
Requests the number of logged samples (4 chars).
LODxxx
Requests the xxx
th
record logged data.
LODALL Requests all Log on demand data.
The answer string contains:
• pH resolution (2 chars): 00 - pH 0.001 resolution, 01 - pH 0.01
resolution
• pH reading status (1 char): R - in range, O - over range, U -
under range
• pH reading with sign and decimal point (7 chars)
• Temperature reading sign and decimal point in ºC (7 chars)
• mV reading status (1 char - R, O, U)
• mV reading with sing and decimal point (7 chars)
• the logged time, yymmddhhmmss (12 chars)
• the calibration offset with sign and decimal point (7 chars)
• the avarage of slopes with sign and decim al point (7 chars)
• temperature probe presence (1 char)
Errors:• “Err3” is sent if the Log on demand is empty.
• “Err4” is sent if the requested set parameter is not available.
• “Err5” is sent if an argument of the command is not correct.
• “Err6” is sent if the requested range is not available.
• “Err7” is sent if the instrument is in logging mode.
• “Err8” is sent if the instrument is not in measurement mode.
• Invalid commands will be ignored.