This feature lets you freeze the value
of the pH, mV (or Relative mV) and
temperature readings for a delayed
observation. HOLD can be used any
time when in MEAS mode.
1.
To hold a measurement, press the
HOLD key while in measurement
mode. "HOLD" will appear on the
display.
See figure
2.
To release the held value, press HOLD
again. Continue to take measurements.
NOTE: This meter shuts off automatically
after 30 minutes of nonuse.
If the meter is shut off either
automatically or manually, the
HOLD value will be lost. For
longer storage, use the memory
functions (see pages 23-24).
NOTE: For pH 310 model only: The pH 310
meter has an auto endpoint feature.
When this feature is switched on,
the display will automatically
“hold” a reading that has been
stable for more than 5 seconds.
The “hold” indicator appears.
Press the HOLD key to release
the reading. To switch on or off the
auto endpoint feature, see Set up
program P4.1 on page 32.
23
22
7. Memory functions
Memory Input
Your meter stores data in sets:
• pH and temperature
• mV (or relative mV) and temperature.
pH 300 meter: The pH 300 meter can store up to 16 sets of data in any combination of
values. For example, you can store 7 pH and 9 mV values.
pH 310 meter: The pH 310 meter can store up to 50 sets of data in any combination of
values. In addition to the standard data set, the pH 310 meter also stores the date
and time the reading was stored.
7.1
MEM
MEM
A
To store a reading:
1.
During any measurement function
(MEAS), press the MI key to input any
data into the memory
2.
MEM, “Sto” and memory number
will flash. The meter then returns to
measurement mode.
See figure
NOTE: If the memory is full, the first value
stored will be erased to create space
for the new value.
pH
ATC
MEAS
HOLD
C
A
A
6. HOLD function
A
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