4
FUNCTIONAL DESCRIPTION HI9224
1) Electrode Connector
2) Temperature Probe Connector
3) LCD Display
4)
PAPER
key to move the paper up
5)
ON/OFF
key, to turn the meter on or off
6)
CAL
key to enter or exit calibration mode
7)
RANGE
key, to select the pH or the °C measurement modes
8) Power adapter plug
9)
CFM
key to confirm the calibration reading
10)
BUFF
key to select the second buffer value for calibration
11)
key to obtain a printout
12)
LOG
key to enter the printing mode
HI 9224
ON/OFF
PAPER
CAL
instrum nts
e
CFM
BUFF
RANGE
LOG
3
4
5
6
7
9
10
11
12
MICROPROCESSOR PRINTING
pH METER
8
1
2
pH
