CF31 Cryo-Compact Circulator

The Cryo-Compact Circulators of the CF Series provide powerful cooling and heating capabilities in a space-saving, compact design. The instruments feature 2 kW heating capacity and classification III according to DIN 12876-1. The Cryo-Compact Circulators have pump connections for external temperature control applications and a bath opening for tem-perature control of small objects.

Cryo-compact circulator CF31 from JULABO view 1

Performance data depends on the mains voltage in the country of use. Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code

CF31
Order number including voltage version	9400331.02
Working temperature range	-30 ... +200 °C
Temperature stability	±0.02 °C
Heating capacity	1 kW
Pump capacity flow pressure	22 ... 26 l/min
Pump capacity pressure	5.8 ... 10.2 psi
Usable bath opening (W x L / D)	6.3 x 1.2 / 5.5 in.
Filling volume	2 ... 3.5 l
Total dimensions (W × L × H)	9.4 x 18.1 x 15.7 in.

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Product Features

Ergonomic design and easy operation
Small overall dimensions for lowest space requirement
Splash-proof keypad
Bright VFD display and interactive LCD dialog display
Highly precise ICC cascade temperature control
RS232/RS485 interface for PC connection
SMART PUMP, electronically adjustable pump stages
Pt100 External sensor connection for measurement and control
Integrated programmer for 6 x 60 program steps
Unique early warning system for low liquid level
ATC3 3-Point-Calibration
TCF Temperature Control Features
Adjustable high temperature cut-out, visible via display
Pump connections for external temperature applications
Bath opening for temperature control of small objects in the bath
Front drain
Extra bright displays, easy to read from a distance
Precise temperature control
Class III (FL) according to DIN 12876-1

Technical data for CF31

Overview

Dimensions and volumes
Temperature values
Bath
Cooling
Other
Electronics
Available voltage versions

Dimensions and volumes
Total dimensions (W × L × H)	9.4 x 18.1 x 15.7 in.
Filling volume	2 ... 3.5 l
Weight	77.2 lbs
Pump connections	M16x1 male
Barbed fittings inner diameter	8/12 mm

Temperature values
Working temperature range	-30 ... +200 °C
Temperature stability	±0.02 °C
Temperature display resolution	0.01 °C
Ambient temperature	+5 ... +40 °C

Performance data depends on the mains voltage in the country of use. Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code

Performance values

Heating capacity

1 kW

Cooling capacity

Medium: Ethanol

°C	20	0	-20
kW ¹	0.32	0.25	0.15

Refrigerant	R134a
Global Warming Potential	1430
Filling weight	150 g
Carbon dioxide equivalent	0.2145 t

¹ Performance specifications measured in accordance with DIN 12876. Cooling capacities up to 20 °C measured with ethanol; over 20 °C with thermal oil unless otherwise specified. Performance specifications apply at an ambient temperature of 20 °C. Performance values may differ with other bath fluids.

Pump capacity flow pressure

22 ... 26 l/min

Pump capacity pressure

5.8 ... 10.2 psi

Maximum suction

2.9 ... 5.8 psi

Viscosity max.

70 cSt

Power consumption

14 A

Bath
Bath tank	Stainless steel
Bath cover	integrated
Usable bath opening (W x L / D)	6.3 x 1.2 / 5.5 in.

Cooling
Cooling of compressor	1-stage Air

Other
Classification according to DIN12876-1	Classification III (FL)
Pump type	Immersion Pump

Electronics
Interfaces	Alarm output optional / REG/EPROG optional / RS485 / Standby-Input optional
External pt100 sensor connection	integrated
Integrated programmer	6x60 steps
Temperature control	ICC
Absolute temperature calibration	3 Point Calibration
Temperature display	LCD

Available voltage versions
9400331.13	230V/60Hz (Nema N6-20 Plug) (R134a)
9400331.02	115V/60Hz (Nema N5-20 Plug) (R134a)
9400331.03	230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F) (R134a)
9400331.04	230V/50Hz (UK Plug Type BS1363A) (R134a)

Included in delivery
2 Barbed fittings for tubing 8 and 12 mm ID. (Pump connections M16x1 male)

Overview

Dimensions and volumes
Temperature values
Bath
Cooling
Other
Electronics
Available voltage versions

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CF31 Benefits

Safety level S3 unattended operation of temperature control units

For flammable bath fluid

Classification III (FL) according to DIN 12876-1

ATC3. Calibration.

‘Absolute Temperature Calibration’ for compensating a physically caused temperature difference, 3-point calibration.

Process. Under control.

Full control of the dynamic, access to all important control parameters for individual process optimization.

100 % Cooling capacity

‘Active Cooling Control’ for cooling available throughout the entire working temperature range, fast cool-down even at higher temperatures

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CF31 Cryo-Compact Circulator

Technical data for CF31

Accessory for CF31

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