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Chart -1 Keypad operations and functions
Keypad
Operations
Functions
Short press
⚫
Power on/off
Short press
Press key to select measurement mode:
⚫
PH910: pH→mV
⚫
EC910: Cond→TDS→Salt
⚫
PC910: pH→mV→Cond→TDS→Salt→pH/Cond
Long press
⚫
Press key to enter temperature adjustment mode (for manual
temperature compensation)
Long press
⚫
In measurement mode, press key to enter calibration mode
Short press
⚫
Cancel operation and return to measurement mode;
Short press
⚫
In measurement mode: press key to enter parameter setup main menu;
⚫
In calibration mode: press key to conduct calibration;
⚫
In main menu mode: press key to enter submenu;
⚫
In submenu mode: press key to enter parameter setup;
⚫
In parameter setup mode: press key to confirm parameter change;
⚫
In temperature adjustment mode: press key to confirm temperature
value.
Short press
⚫
In measurement mode: press
key to store measuring value,
press
key to recall;
⚫
In recall(RM) mode: press
or
key to turn page;
⚫
In menu mode: press key to select items;
⚫
In temperature adjustment mode: press key to change temperature
value, hold key for fast change.
4.3
Meter sockets
Socket Type
Information
①
BNC
Connect pH or ORP combination electrode
②
RCA
Connect temperature sensor (for pH)
①
+
②
BNC+RCA
connect pH/ATC 3-in-1 combination electrode
③
Ф4 banana
Connect reference electrode
④
BNC
Connect conductivity electrode
⑤
RCA
Connect temperature sensor (for conductivity)
④
+
⑤
BNC+RCA
connect with Cond/ATC electrode
⑥
USB
Connect PC
⑦
Ф2.5 power supply
Connect DC9V adaptor (inside “
＋
” outside “
－
”)
