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This listing is for the Julabo FL601 Recirculating
The unit is in full working condition and is ready for immediate use
The Julabo FL601 is a recirculating chiller engineered for routine cooling applications in laboratories and process environments. Designed for space-saving integration, energy efficiency, and ease of operation, the FL601 delivers precision temperature control with an extensive range of safety and connectivity features.
Performance & Control
Temperature Range: −20 °C to +40 °C
Temperature Stability: ±0.5 °C via microprocessor PID control
Cooling Capacity: Up to 600 W at +20 °C
Pump Flow Rate: Up to 23 L/min at 1 bar
Return Line Temp Limit: +80 °C
The FL601 features reliable PID temperature control, making it suitable for continuous operation in demanding environments such as analytical instrumentation, rotary evaporators, and closed-loop process cooling.
Design & Ergonomics
The FL601 emphasizes ease of use and maintenance:
Splash-proof keypad with large, bright LED display
Accessible top-mounted filling port with lift-up cover
Second hinged document tray for the user manual or install documents
Removable front venting grid for quick cleaning of the condenser
Front-facing drain tap for easy fluid replacement
Integrated stainless steel bath tank with level indicator
Compact footprint with front and rear ventilation only — no side vents — allowing side-by-side placement with other devices
Smart Features & Connectivity
RS232 interface for PC/lab system connectivity
Potential-free alarm output (max. 30 VA) for external device integration
IP21-rated housing (IEC 60529) for splash protection
Optical and audible low-level alarm system for added safety
Key Advantages at a Glance
Feature Benefit
Microprocessor PID control Stable, accurate temperature regulation
Front-facing vents Space-saving design; units can be placed side-by-side
Easy access filling & draining- Reduces downtime for maintenance
Integrated stainless steel bath tank Corrosion-resistant and durable
Audible/visual alarms Ensures safe operation and early fault detection
RS232 & alarm contact
Ready for system automation and remote monitoring
Quiet operation (~55 dBA) Suitable for sensitive lab environments
Robust construction (~48 kg) Long-lasting performance in daily use
Common Applications
Rotary evaporators
Refractometers
Spectrophotometers
Distillation units
Jacketed reactors
Heat exchangers
Laser cooling and OEM equipment support
