CF41 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:
Order number including voltage version | 9400341.02 |
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Working temperature range | -40 ... +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) |
7.5 x 1.2 / 7.5 in. |
Filling volume | 4 ... 5.5 l |
Total dimensions
(W × L × H) |
11 x 18.1 x 18.1 in. |
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 CF41
Total dimensions (W × L × H) |
11 x 18.1 x 18.1 in. |
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Filling volume | 4 ... 5.5 l |
Weight | 97 lbs |
Pump connections | M16x1 male |
Barbed fittings inner diameter | 8/12 mm |
Working temperature range | -40 ... +200 °C |
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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:
Heating capacity | 1 kW | |||||||||||||||||||
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Cooling capacity
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. |
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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 | 16 A |
Bath tank | Stainless steel |
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Bath cover | integrated |
Usable bath opening (W x L / D) |
7.5 x 1.2 / 7.5 in. |
Cooling of compressor | 1-stage Air |
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Classification according to DIN12876-1 |
Classification III (FL) |
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IP Code according to IEC 60529 |
IP 21 |
Pump type | Immersion Pump |
Interfaces | Alarm output optional / REG/EPROG optional / RS485 / Standby-Input optional |
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External pt100 sensor connection | integrated |
Integrated programmer | 6x60 steps |
Temperature control | ICC |
Absolute temperature calibration | 3 Point Calibration |
Temperature display | LCD |
9400341.13 | 230V/60Hz (Nema N6-20 Plug) (R449A) |
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9400341.02 | 115V/60Hz (Nema N5-20 Plug) (R449A) |
9400341.03 | 230V/50Hz (Schuko Plug - CEE 7/4 Plug Type F) (R452A) |
9400341.04 | 230V/50Hz (UK Plug Type BS1363A) (R452A) |
2 Barbed fittings for tubing 8 and 12 mm ID. (Pump connections M16x1 male) |
Accessory for CF41
Downloads for CF41
We would also be happy to send you our printed catalogs and brochures by post.
Request brochureCF41 Benefits
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For flammable bath fluid
Classification III (FL) according to DIN 12876-1
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ATC3. Calibration.
‘Absolute Temperature Calibration’ for compensating a physically caused temperature difference, 3-point calibration.
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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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