17
5 HOLD
FUNCTION
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 16.
2. To release the held value, press HOLD again.
Continue to take measurements.
NOTE:
This meter shuts off automatically 30 minutes after last key is pressed. If the meter is shut
off either automatically or manually, the HOLD value will be lost. For longer storage, use
the Memory functions described in page 18.
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 SETUP Program P 4.1 on page
30.
Figure 16 - HOLD feature
