5
FUNCTIONAL DESCRIPTION
1) BNC electrode connector.
2) Temperature probe socket.
3) RS232 serial communication connector.
4) Liquid Crystal Display (LCD).
5)
RANGE
key, to select pH or mV (
HI 98171
,
HI 98172
), or ISE (
HI 98172
).
SETUP
key, to enter/exit SETUP mode.
6)
ON/OFF
key, to turn the instrument ON and OFF.
7)
CAL
key, to enter/exit calibration mode.
GLP
key, to display Good Laboratory Practice information.
8)
2nd
key, to select second key function.
9)
key, to manually increase temperature or other parameters.
MODE
key, to select measurement resolution, 0.1 pH / 0.01 pH (
HI
98170
), or to toggle between mV and Rel mV (
HI 98171
,
HI 98172
).
LOG CFM
RCL
2nd
AutoEnd CLR
MODE
CAL GLP
LIGHT
RANGE SETUP
ON / OFF
Calibration Check
pH/ORP Meter
HI 98171
15
14
11
13
12
2
10
9
8
7
6
5
4
1
3
