Thermo Scientific Harris Ultra-Low Temperature Freezers
Installation and Operation
13
Temperature Recorders
All six inch recorders use pressure-sensitive chart paper
(1 box @ 50 charts included); no inking is required.
Chart Paper
Special Voltages
Standard voltages are listed under
Voltage
in Specification Charts
associated with each product category. Standard voltages are
available at no charge; alternative voltages may be available at an
extra charge. All voltages must be specified when ordering.
Contact Sales for more information.
Electronic Backup Systems
CO
2
Backup System.
Choose built-in or free-standing. Injects
liquid CO
2
into cabinet when cabinet temperature warms to
pre-set level. Automatic shut-off on door or lid opening.
Adjustable CO
2
set point in 1
°
C increments to -75
°
C with digital
display and actual cabinet temperature at the push of a button.
Indicator lights when system is activated. System is powered by
continually recharged battery. Includes all hardware except CO
2
cylinder.
LN
2
Backup System.
Choose built-in or free-standing. Injects
liquid nitrogen into cabinet when cabinet temperature warms to
pre-set level. Automatic shut-off on door or lid opening.
Adjustable LN
2
set point in 1
°
C increments to -150
°
C with
digital display and actual cabinet temperature at the push of a
button. Indicator lights when system is activated. System is
powered by continually recharged battery. Includes all hardware
except low-pressure liquid nitrogen cylinder.
Description
Catalog
No.
Temperature recorder, 6 in. circular chart, seven-day drive,
panel mounted, for 40
°
C to -95
°
C. Not available for
Harris Classic chest models, which use 6383-6.
Factory installed.
6183-6
Temperature recorder, 6 in. circular chart, seven-day drive,
for -120
°
C, -140
°
C, and -150
°
C models only, panel
mounted. Factory installed.
6183-5
Temperature recorder, 6 in. circular chart, seven-day drive,
free-standing, for all freezers -40
°
C to -90
°
C.
Customer installed.
6383-6
Temperature recorder, 6 in. circular chart, seven-day drive,
free-standing, for -95
°
C, -120
°
C, -140
°
C, and -150
°
C
models only. Customer installed.
6383-5
Description
Catalog
No.
For Mechanical Recorders:
Chart paper, package of 50, 6 in., seven-day recorder,
-150
°
C to +20
°
C.
6186
Chart paper, package of 50, for 6 in., seven-day recorder,
-115
°
C to +50
°
C.
6185
Chart paper, package of 50, for 4 in., seven-day recorder
only, 0
°
C to -100
°
C.
6596
For Electronic Recorders:
Chart paper, package of 50, for 6 in., seven-day recorder,
-115
°
C to +50
°
C.
6185
Description
Catalog
No.
CO
2
Backup, built-in, panel mounted, factory installed.
Harris DLT and SLT freezers only. Low battery indicator
lights when battery needs replacing. Empty cylinder
indicator lights when cylinder is exhausted.
6594
CO
2
Backup, free-standing, field installed. Specify freezer
model number and voltage when ordering.
6593
Description
Catalog
No.
LN
2
Backup, built-in, panel mounted, factory installed.
Harris DLT and SLT freezers only. Low battery indicator
lights when battery needs replacing. Empty cylinder
indicator lights when cylinder is exhausted.
6595
LN
2
Backup, free-standing, field installed. Specify freezer
model number and voltage when ordering.
6214
