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.

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 No. 9400331.02
Working temperature range -30 ... +200 °C
Temperature stability ±0.02 °C
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 rate 22 ... 26 l/min
Pump capacity flow 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
Dimensions
(W × L × H)
9.4 x 18.1 x 15.7 in.
Arrange callback

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

Dimensions and volumes
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
Setting the resolution of the temperature display 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 rate 22 ... 26 l/min
Pump capacity flow 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)

Accessory for CF31

Downloads for CF31

We would also be happy to send you our printed catalogs and brochures by post.

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CF31 Benefits

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

Show all 13 benefits