User Guide

13
the “CAL” and “PH” display blinks alternatively. Press
key once, the display shows “CAL”“
o
C” blinking.
2. Press ENTER and the display alternatively shows “Atc”
and “On” or “Atc” and “OFF”. Use and keys to
choose between both ATC ON and ATC OFF.
5.5.2 ATC ON/OFF
ATC ON : If a PT 100 is connected,
use and keys to adjust the
temperature offset of the PT 100 by
± 5 °C. Dip the temperature probe
into the sample liquid. Make sure
that the display is set to ATC ON,
press ENTER and the display now
shows the actual temperature
reading (blinking).
Use and keys to adjust the
reading to its actual temperature -
as measured by an external
thermometer. Once done, press
ENTER key and the display will
flash “CAL” “PH” alternatively.
SETUP
MODE
ENTE
R
A
tc
SETUP
MODE
ENTE
R
On
SETUP
MODE
EN TE
R
23.5