Hanna Instruments hi 931400 User Manual

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