F81-HL Ultra-Low Refrigerated / Heating Circulator
low temperatures below -50 °C with bath opening for internal and external applications
The Ultra-Low Refrigerated Circulators of the HighTech Series with HL or SL circulator feature powerful pressure and suction pumps. The in-struments provide the entire variety of functions of the professional HighTech Series of circulators.
Performance data depends on the mains voltage in the country of use. Please select:
Order number including voltage version | 9312681.33 |
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Working temperature range | -81 ... +100 °C |
Temperature stability | ±0.02 °C |
Heating capacity | 1.3 kW |
Pump capacity flow pressure | 22 ... 26 l/min |
Pump capacity pressure | 0.4 ... 0.7 bar |
Usable bath opening (W x L / D) |
13 x 15 / 16 cm |
Filling volume | 5 ... 6.5 l |
Total dimensions
(W × L × H) |
50 x 58 x 89 cm |
Product Features
- VFD COMFORT DISPLAY
- LCD DIALOG DISPLAY backlit for convenient interactive operation
- Keypad for setpoints, warning/safety values and menu functions
- ICC (Intelligent Cascade Control), self-optimizing temperature control
- TCF Temperature Control Features to optimize the control behavior
- ATC3 3-Point-Calibration
- Pt100 External sensor connection for measurement and control
- SMART PUMP, electronically adjustable pump stages
- Unique early warning system for low liquid level
- Adjustable high temperature cut-out, visible via display
- RS232/RS485 interface for online communication
- Integrated programmer for 6 x 60 program steps
- Connections for solenoid valve and HSP booster pump
- Proportional cooling control
- Active Cooling Control
Technical data for F81-HL
Total dimensions (W × L × H) |
50 x 58 x 89 cm |
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Filling volume | 5 ... 6.5 l |
Weight | 88 kg |
Pump connections | M16x1 male |
Working temperature range | -81 ... +100 °C |
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Temperature stability | ±0.02 °C |
Setting the resolution of the temperature display | 0.01 °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 | 1.3 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 | 0.4 ... 0.7 bar | ||||||||||||||||||||||||||||||
Maximum suction | 0.2 ... 0.4 bar | ||||||||||||||||||||||||||||||
Viscosity max. | 70 cSt | ||||||||||||||||||||||||||||||
Power consumption | 16 A |
Bath cover | integrated |
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Usable bath opening (W x L / D) |
13 x 15 / 16 cm |
Cooling of compressor | 2-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 |
Interfaces | Profibus 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 | VFD |
Temperature setting | Keypad |
9312681.33 | 230V/50-60Hz (Schuko Plug - CEE 7/4 Plug Type F) (R404A) |
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2 Barbed fittings for tubing 8 and 12 mm ID. (Pump connections M16x1 male) |
Accessory for F81-HL
Downloads for F81-HL
We would also be happy to send you our printed catalogs and brochures by post.
Request brochureF81-HL 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 regulation of the dynamics control, access to all important control parameters for individual process optimization.
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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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