Hanna Instruments HI 9321 - Manual (Page 4)

4
FUNCTIONAL DESCRIPTION HI 9321
MR °C
MEM ON/OFF °C
RANGE CFM
CAL
CFM Confirm when ready
/ Select buffer 2 value
CFM Confirm when ready
/ Select buffer 1 value
CAL Start calibration
pH calibration procedure
Select pH or ORP measurement
MR Recall previous stored data
MEM For storing display result
RANGE
Function
HI 9321
MICROPROCESSOR
pH METER
ins rum n s
1
2 3 4 5 6 7 8
°C 1
2
pH
pH
mV CAL
MEM
NOT READY
CON WRONG
BUF
I. BNC Socket
II. Reference Electrode Socket
III. Reference Electrode Socket
IV. Temperature Probe Socket
V. Reset Button
VI. VDC Power Socket (for HI 710005 or HI 710006)
1. Liquid Crystal Display
2. CAL enters and exits calibration mode
3. CFM confirms calibration values
4.
↑↑↑↑↑
°C and
↓↓↓↓↓
°C manually set temperature and select pH
buffer values
5. MR recalls the stored value
6. MEM stores a value in memory
7. RANGE selects measurement range
8. ON/OFF turns meter on and off