Hanna Instruments HI 221 - Manual (Page 18)

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Up to 100 (HI 221) or 500 (HI 223) LOG samples can be stored in memory.
LOGGING THE CURRENT DATA
To store the current reading into memory press the LOG key while in measur-
ing mode.
The instrument will display the current date (mm.dd) on the primary LCD, the
record number on the secondary LCD and the “LOG” tag will blink for a few
seconds (see example below: record No. 27 dated July 14):
If there are less than 5 memory locations remaining, the record number and
the “Lo” message will blink to alert the user.
If the log space is full, the “FULL LOC” message will be displayed and no more
data will be saved.
When the LOG key is pressed, a complete set of information is stored. The
parameters of a record are date, time, pH, mV, temperature, and pH
calibration data. If a HANNA P Type ORP electrode is used pH information is
not stored.
VIEW LOGGED DATA
Press the RCLkey to retrieve the information stored while in measuring mode.
If no data were logged the instrument displays:
LOGGING