F81-HL Ultra-Low Refrigerated / Heating Circulator
low temperatures below -50 °C 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 instruments provide the entire variety of functions of the professional HighTech Series of circulators.
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 | 5.8 ... 10.2 psi |
Usable bath opening (W x L / D) |
5.1 x 5.9 / 6.3 in. |
Filling volume | 5 ... 6.5 l |
Total dimensions
(W × L × H) |
19.7 x 22.8 x 35 in. |
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) |
19.7 x 22.8 x 35 in. |
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Filling volume | 5 ... 6.5 l |
Weight | 194 lbs |
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 |
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 | 5.8 ... 10.2 psi | ||||||||||||||||||||||||||||||
Maximum suction | 2.9 ... 5.8 psi | ||||||||||||||||||||||||||||||
Viscosity max. | 70 cSt | ||||||||||||||||||||||||||||||
Power consumption | 16 A |
Bath cover | integrated |
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Usable bath opening (W x L / D) |
5.1 x 5.9 / 6.3 in. |
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
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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