FP51-SL Ultra-Low Refrigerated / Heating Circulator SKU: 6720-00022

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.

SKU: 6720-00022 Category:


Performance data depends on the mains voltage in the country of use.

Please select:

Country of use | Mains voltage | Plug | JULABO voltage version code
Order No. 9352751.16
Working temperature range -51 … +200 °C
Temperature stability ±0.05 °C
Heating capacity 3 kW
Cooling capacity

Medium: Ethanol
°C 20 0 -20 -40
kW* 2 1.5 1 0.26
Refrigerant R507
Global Warming Potential 3985
Filling volume 830 g
Carbon dioxide equivalent 3.308 t
Performance specifications measured in accordance with DIN12876. 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)
7.1 x 4.7 / 7.9 in.
Filling volume 7.5 … 12 l
(W × L × H)
18.1 x 21.7 x 35 in.

Product Features

  • LCD DIALOG DISPLAY backlit for convenient interactive operation
  • ICC (Intelligent Cascade Control), self-optimizing temperature control
  • TCF Temperature Control Features to optimize the control behavior
  • ATC3 3-Point-Calibration
  • SMART PUMP, electronically adjustable pump stages
  • 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