Instruction Manual

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CAL
Short press
⚫ The meter will go to calibration mode. Short pressing again
starts calibration.
MODE
Short press
⚫ To select the parameters: →
Long Press
⚫ Enter into parameter setting mode P1. Once in this mode,
short press to enter P2, P3,P4 and so on.
UNIT
Short press
⚫ In pH measuring mode: press the button to change the
resolution repeatedly: 0.01→0.1pH
⚫ In mV measuring mode：press the button to change
parameter mode: →
⚫ In parameter setting mode: press the button to move the
number position.
ENTER
Short press
⚫ In calibration mode: press the button to confirm 1-point or
2-point calibration and then return to measuring mode.
⚫ In parameter setting mode: press the button to confirm
parameter setting and then return to measuring mode.
⚫ In (RM) mode: press button to return to measuring mode.
▲
▼
Short press
Long press
⚫ In MTC mode: press the button to increase or decrease
the temperature. The temperature will be altered quickly
with long press.
⚫ In parameter setting mode: press the button to changer
numbers or ON/OFF state.
⚫ In (RM) mode: press the button to alter the storage serial
number. Long press to alter quickly.
M+/RM
Short press
Long Press
⚫ Short press to store measurements; long press
to recall measurements.
4.3 Store, recall and clear readings
4.3.1 Store
(a) In measuring mode, once the measuring value is stable and the appears, Short
press < M+/RM > key, LCD will display “M+” icon and storage serial number. These
measurements will be stored in memory. The meter can store up to 600 groups of
measurement values; 300 groups in each of the pH and mV measuring modes.
(b) In timing measuring mode, icon will appear on the LCD screen. The meter will
continuously conduct measurements according to the set parameter (eg. Every 7 sec) and
stores the data simultaneously.