User Guide

22
6 HOLD FUNCTION
This feature allows you to hold the value of the
measurement reading until it is more convenient to
note the reading. This mode can be invoked at any
time when you are in the MEAS mode. You may
also store the held value into memory using MI/
!
key (
available only in pH 100 meter
).
1. In the measurement mode (either pH, mV or
Rel mV, press the HOLD key.
2. “HOLD” indicator will appear on the display.
3. To release the held value, press HOLD again.
You can continue to take measurements.
NOTE:
•
The meter shuts off automatically after 20 minutes after last key is pressed. If the
meter is shut off either automatically or manually, the HOLD value will be lost.
•
In the pH 100 model, the SETUP function allows you to turn off the auto shut-off
feature.
Figure 24: HOLD function