Hanna Instruments HI 120 - Manual (Page 31)

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This feature allows the user to log pH and Rel mV, together with temperature
automatically. All logged data can be transferred to a PC through the
RS232 port.
The maximum logging space is 1000 record locations (samples). This can be
divided in 1 up to 50 lots (one lot can use all the free space). The lot ID
(number) is between 1 and 99 (after 99 it restarts from 1). Only up to 50
lots can be memorized at one time, even if there is free space available.
Note: When the logged lots are more than one, the total number of
samples can be less than 1000, even with full memory, due to the
fact that logging memory is divided in pages of 20 samples each.
The appropriate logging interval can be set from 5 seconds to 180 minutes (see
SETUP for details, page 27).
Up to 50 record locations are also provided.
LOGGING THE CURRENT DATA (LOG ON DEMAND)
To store the current reading into memory, press LOG
while in measurement mode.
The instrument will display the current date (mm.dd) on the primary LCD,
the record number on the secondary LCD, the “LOG” tag blinking for a few
seconds and then the free locations number.
If there are less than 6 memory locations remaining, the record number
and “Lo” message will blink for a few seconds to alert the user and then
the free locations number is displayed on the LCD.
L O G G I N G
LOG