User Guide

10
OPERATIONAL GUIDE
INITIAL PREPARATION
Each meter is supplied com-
plete with batteries.
Remove the back cover, unwrap
the batteries and install them
while paying attention to the po-
larity.
PROBES CONNECTION
To prepare the instrument for use connect
the pH electrode to the BNC socket on the
top of the instrument.
Connect the temperature probe to the RCA
socket.
The temperature probe can be used indepen-
dently to take temperature measurements, or
it can be used in conjunction with the pH
electrode to utilize the meter's ATC capabil-
ity. If the probe is disconnected, temperature
can also be set manually with the UP and
DOWN arrow keys.
HI 7669/2W
TEMPERATURE
PROBE
COMBINATION
pH ELECTRODE
WITH BNC
CONNECTOR
CAL
CFM