User Guide

3
FUNCTIONAL DESCRIPTION
HI 931300 HI 931301
ON/OFF ON/OFF
LOG
ALT ALT
TIME TIME
RANGE RANGEFACTOR FACTOR
33
4
55
66
77
11 11
10 10
99
88
MICROPROCESSOR LOGGING
pH METER
MICROPROCESSOR pH METER
RANGE
pH0.00....14.00
ºC 0.00...+100.0
RANGE
pH0.00....14.00
ºC 0.00...+100.0
12 12
11
22
LOG
pH pH
CAL CAL
CFM CFM
1. Electrode Connector (BNC)
2. Temperature Probe Connector
3. Liquid Crystal Display
4. LOG key, to enter the logging mode
(HI931300 only)
5. ON/OFF key, to turn the meter on or off
6. ALT, alternate function key
7. RANGE key, to select the pH or the °C
measurement mode
8. FACTOR key, to display calibration data
9. TIME key, to display time for HI 931301
and to display time and logging interval
for HI 931300
10. CFM key, to confirm the calibration
reading and DOWN arrow key to scroll
down
11. CAL key, to enter or exit calibration
mode and UP arrow key to scroll up
12. Socket for External Power Supply