The Julabo Presto LH-85 is an external temperature control system engineered for precise thermal management across demanding laboratory applications. Operating from −80 °C to +250 °C with stability of ±0.05 °C to ±0.1 °C, this unit delivers 1.02 kW cooling capacity at 20 °C and up to 15 kW heating capacity. The system integrates a highly dynamic ICC (Intelligent Cascade Control) algorithm with a 5.7-inch color touch panel and self-optimizing controller for streamlined operation and sample protection.
## Technical Specifications
• **Temperature Range:** −80 °C to +250 °C
• **Temperature Stability:** ±0.05 °C to ±0.1 °C
• **Temperature Display Resolution:** 0.01 °C (setting and display)
• **Cooling Capacity:** 1.02 kW at 20 °C
• **Heating Capacity:** Up to 15 kW
• **Pump Pressure:** Up to 3 bar
• **Maximum Flow Rate:** 80 l/min
• **Operating Ambient Range:** +5 °C to +40 °C
• **Power Supply:** 230 V, 60 Hz
• **Dimensions (W × L × H):** 61 × 84.5 × 125 cm
• **Weight:** 335 kg
• **Internal Usable Volume:** 7 l
• **Minimal Process Volume:** 9.5 l
• **Active Heat Exchanger Volume:** 5 l
## Key Features
• Self-optimizing ICC control with permanent internal monitoring
• Electronically adjustable intelligent pump system with self-lubricating design
• Integrated 5.7-inch industrial-grade TFT display with touch operation
• Comprehensive safety: high temperature cut-out, reciprocal sensor monitoring, motor and compressor overload protection
• Early warning system with optical and audible alarm signals for temperature limit exceedances
• Self-test function on power-up with permanent sensor performance supervision
## Typical Applications
• Reactor temperature control
• Material stress testing
• Temperature simulation protocols
• External closed and open system thermal management
## Compatibility & Integration
• Ethernet interface
• RS485 communication
• Analog connections
• SD-Card slot for data logging
• External Pt100 sensor connection (second sensor available as accessory)
• Profibus DP support (accessory)
• Pump connections: M30×1.5 male
• Cooling water connection: G¾ in
