6
Key
Operation
Mode
Duration
Function
Scroll
Measure
2 seconds
Enters Recall Data
Mode.
Temperature
display mode
Selects
0 second
Selects
Temperature °F
pH Measure
5 seconds
Enters pH Buffer
Select Mode.
pH Buffer
Select
0 second
Selects 6.86 Buffer
Sets and Leaves
Buffer Select Mode.
Recall Data
0 second
Increases current
number.
USING PCE-PH 25
A. Power ON/OFF
1. Press and hold
“Hold” key for 1 second. The unit will turn
on and enter the “Measure Mode”. Repeat the process to
turn off the unit.
2. The unit will also automatically turn off after 10 minutes of
no key activity.
B. Temperature Unit Select Mode
1. The PCE-PH 25 meter is factory pre-set in
“°C”.
2. To change to
“°F”, press “Mode” key to enter the “TDS
Measur
e Mode”.
3. Press and hold the
“Mode” key for 10 seconds, the unit will
enter the
“Temperature Unit Select Mode”.
4.
Press “Store” key to select “°C” and press “Scroll” key to
select
“
°F
”.
TEMPERATURE UNIT
SELECT
MODE: EXIT
SCROLL: ¡ã
F
STORE: ¡ã
C