56
•
0x10
: temperature probe connection
•
0x20
: DO measure unit (0 = %, 1= mg/L)
•
0x01
: new GLP
GLP
GLP
GLP
GLP data available
•
0x02
: new setup parameter
•
0x04
: out of calibration range
•
0x08
: the meter is in autoend mode;
•
Reading status: R - in range, O - over range, U - under range
•
The following status flags are sent for all modes except
mode 25
•
DO reading range flag
•
temperature reading range flag
•
pressure reading range flag
•
OUR/SOUR reading range flag (sent only if in OUR/SOUR
measure mode)
•
The following status flag is sent only for mode 25
•
BOD reading range flag
•
Readings
•
The following values are sent for all modes except
mode 25
•
DO reading, including sign and decimal point (8 chars)
•
temperature, including sign and decimal point (8chars)
•
pressure value, including sign and decimal point, always
in mmHg (11 chars)
•
OUR/SOUR reading, including sign and decimal point
(sent only if in OUR/SOUR measure mode) (8 chars)
•
OUR/SOUR counter (sent only if in OUR/SOUR measure
mode) (4 chars)
•
The following values are sent only for mode 25
•
BOD reading, including sign and decimal point (8 chars)
•
initial DO value, including sign and decimal point [mg/L]
(6 chars)
•
final DO value, including sign and decimal point [mg/L]
(6 chars)
MDR
Requests the instrument model name and firmware code (16 ASCII chars).
GLP
Requests the calibration data record.
The answer string contains:
•
the number of calibrated buffers (1 char)
•
calibrated buffer unit (0 = %, 1 = mg/L) (1 char)
•
buffer value including sign and decimal point (6 chars)
•
calibrated buffer unit (0 = %, 1 = mg/L) (this value is sent only
if there is a 2 point calibration) (1 char)