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:

Country of use | Mains voltage | Plug | JULABO voltage version code
F81-HL
Order number including voltage version 9312681.33
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
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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

Overview

Dimensions and volumes
Total dimensions
(W × L × H) 		50 x 58 x 89 cm
Filling volume 5 ... 6.5 l
Weight 88 kg
Pump connections M16x1 male
Temperature values
Working temperature range -81 ... +100 °C
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:

Country of use | Mains voltage | Plug | JULABO voltage version code
Performance values
Heating capacity 1.3 kW
Cooling capacity
Medium: Ethanol
°C 20 0 -20 -40 -60 -80
kW 1 0.45 0.38 0.36 0.32 0.27 0.07
Refrigerant Information Refrigerant stage 1 Refrigerant stage 2
Refrigerant R404A R23
Global Warming Potential 3922 14800
Filling weight 500 g 120 g
Carbon dioxide equivalent 1.961 t 1.776 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 0.4 ... 0.7 bar
Maximum suction 0.2 ... 0.4 bar
Viscosity max. 70 cSt
Power consumption 16 A
Bath
Bath cover integrated
Usable bath opening
(W x L / D) 		13 x 15 / 16 cm
Cooling
Cooling of compressor 2-stage Air
Other
Classification
according to DIN12876-1 		Classification III (FL)
IP Code
according to IEC 60529 		IP 21
Electronics
Interfaces Profibus optional
External pt100 sensor connection integrated
Integrated programmer 6x60 steps
Temperature control ICC
Absolute temperature calibration 3 Point Calibration
Temperature display VFD
Temperature setting Keypad
Available voltage versions
9312681.33 230V/50-60Hz (Schuko Plug - CEE 7/4 Plug Type F) (R404A)
Included in delivery
2 Barbed fittings for tubing 8 and 12 mm ID. (Pump connections M16x1 male)

Overview

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F81-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 regulation of the dynamics control, 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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