NAVI D-25 Instruction Manual page 45

2 Taking Measurements
2.5 Measuring pH
34
4.
Press the MEAS key with the initial screeen
displayed.
"HOLD" will blink until the reading stabilizes.
When the indicated value stabilizes, "HOLD" will stop
blinking and will be displayed. The indicated value will
remain displayed continually.
Refer to the " Criteria for judging stability" page 23 for the
criteria for judging the stability of the readout.
When measurement data is held using Instantaneous
Value Measurement or Auto Hold Measurement, you
can store that data in the memory by pressing the ▲
key. See "3.1 Data memory function" page 65.
HORIBA