Operating Instructions WBL-118 Refrigerated bath and circulator
21
thermometer, the display temperature needs to be calibrated by this function.
2) Set the bath at temperature of 40.0
°
C for calibration. Wait until temperature is stabilized. Read
the temperature of the standard thermometer.
3) Press
for more than 2 seconds until screen displays
Ht
. Scroll the menu by
until
screen displays
Atc
. Press
to enter. Original value will show up, then press
to modify the value as available from the standard thermometer. Press
to confirm
and exit the set up screen or exit automatically in 4 seconds.
The temperature in the bath must be kept in constant and the standard thermometer
be kept in the bath center for at least 30 minutes, before performing calibration.
During heating up or cooling down, the temperature distribution is not even and the
readings both from thermometer and the controller are not typical thus not
appropriate for calibration.
3.5
Auto
setting for
Aon
and
AoFF
Press
for more than 2 seconds until screen displays
Ht
. Scroll the menu by
until
Auto
is displayed, then press
to enter. Use
to select between
Aon
and
AoFF
.
For automatic power-on function, use
Aon
, and press
to confirm and exit the setting. In
this case, the equipment will automatically resumes to the status before power being interrupted.
If the mode is set to
AoFF
, press
for more than 2 seconds to start the equipment where
necessary.
Auto
mode setting is designed to protect the equipment from power failure and make
it efficient, uninterrupted operation. You are recommended to set
Aon
mode if
operating for more than 24 hours is desired.
3.6 Set default parameters
1) It may be used to recover data and functional parameters when system halts or any other
abnormal situation occurs.
2) Press
for more than 2 seconds until screen display
Ht
. Scroll the menu by
until
dEFt
is displayed, then press
for more than 2 seconds until
dEFt
flashes. Press
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