Thermo Fisher Scientific CryoExtra CE8100 Series
Operation | 43
8.
Press “ENTER”
The display will read “Calibration
Type”. Use the “
” keys to
set as “TWO POINT”.
9.
Press “ENTER”
The display will read “Bypass
Calibration”. Submerge the
sensing end of the bypass probe
in LN
2
.
10.
Press “ENTER”
The display will read “Wait for
Bypass Temp to stabilize”. Wait for
the temp reading to stabilize while
the probe is submerged in LN
2
.
11.
Press “ENTER”
The display will read “Remove
Probe A from LN
2
”. Remove the
bypass sensor from the LN
2
.
12.
Press “ENTER”
The display will read “Wait while
probe warms to room
temperature”. Wait while the
bypass sensor warms to room
temperature and the Controller counts down.
13.
Wait 180 seconds
After the Controller counts down,
the display will read “Place Probe
A in ice water”. Completely
submerge the sensing end of the
probe in the ice water bath.
14.
Press “ENTER”
The display will read “Wait for
Temp A to stabilize”. Wait for the
displayed Temp A reading to
stabilize while the probe is
submerged in the ice bath.
15.
Press “ENTER”
The display will read “Bypass
Probe two point calibration
complete”.
Communication /
Networking
The Controller is equipped with two independent RJ-45 serial
ports. These ports are intended for connection to another
Controller, PC, serial printer or other RS-485 device. Up to
100 controller can be successfully networked.
Figure 11. Controller serial ports and RS-485 4-
wire pin diagram
Calibration Type TWO
POINT Use
to
adjust Press ENTER to
next menu
Bypass Calibration
Place Bypass Probe in
LN
2
and press ENTER
Wait for Bypass Temp to
stabilize then press
ENTER Bypass
Temp - 195.8ºC
Remove Bypass Probe
from LN
2
and press
Wait while Probe Warms
to room
temperature 180
seconds
Place Bypass Probe in
ice water and press
ENTER
Wait for Bypass Temp to
stabilize then press
ENTER
Bypass Temp 0.0ºC
Bypass Probe two Point
calibration complete
Note:
The Controller should never be connected
directly to a LAN or public telecommunications
network
.
