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Julabo LH50 PLUS Temperature Control System 9410250
Julabo LH50 PLUS Temperature Control System 9410250

Julabo LH50 PLUS Temperature Control System 9410250

Presto PLUS - Highly Dynamic Temperature System
Instruments of the PRESTO series are the ideal solution for highly precise, external temperature applications. They offer rapid heating and cooling, wide working temperature ranges without changing fluids as well as highest performance with a small footprint. The self-optimizing controller (ICC - Intelligent Cascade Control) provides excellent temperature stability and optimized control. The classic PID control parameters are available at the touch of a button for modification at any time.

Julabo LH50 PLUS Temperature Control System 9410250

All models have an interactive 4-line LCD display as well as a bright VFD-Info-Display. All this together with the splash-proof keypad and the high temperature cut-out (safety value) ensure safe and convenient operation. Reciprocal sensor monitoring, self-test after switch-on, pump motor and compressor overload protection as well as permanent performance supervision of sensors guarantee reliable performance and provide high safety for your samples. Analog connections, digital interfaces and the optional Profibus allow future-oriented automation technology. The high standard of heating, cooling and pump capacities in combination with outstanding ICC temperature control help to produce reliable and quick results. 

For highly precise, external temperature applications
Rapid heating and cooling
For isotherm realization of chemical processes
Wide working temperature ranges without changing fluids
Highest performance with small footprint
Bright VFD-Info-Display and interactive LCD display
RS232 interface for on-line communication (LIMS capability)
RS485 interface for bus data exchange
Analog setpoint/programmer input (0 to 20 mA / 0 to 10 V)
Temperature recorder output (0 to 20 mA / 0 to 10 V)
Stand-by input for external emergency switch-off
Integrated programmer stores up to 6 profiles (60 sections each)
Upper and lower temperature warning functions with interval tone
High temperature cut-out (safety value) adjustable on the front
Removable control module
Filling system accessible from the front
Removable venting grid for simplified removal of dust
Working temperature range -50 ... 250 °C   
Temperature control PID+ICC 
Temperature stability external ±0.01 °C
Display LCD+VFD    
Display resolution 0.01 / 0.01 °C
Integrated programmer available 
Heater capacity 6000 W 
Cooling capacity
200   20   -20   -40                   °C
5500   7000   2600   500                   W
Refrigerant R404A 
Pump capacity Pressure:   10.2...31.9 psi   
Flow rate: 16-30 lpm
Digital interfaces RS232, RS485, optional Profibus 
External Pt100 sensor connection available
Filling volume 13.5 Liters
Filling volume expansion vessel 4.9 Liters
Dimensions (W x L x H) 15.7 x 21.7 x 50 inches
Weight 401 lbs
Ambient temperature 5 ... 40 °C
Classification according to DIN 12876-1 3 (FL) 
Available mains power: 400V / 3 Ph. / 50Hz / 12A
230V / 3 Ph. / 60Hz
Temperature Stability Notes:
External temp. stability varies with temperature range from ±0.01 to ±0.05 °C 

Air cooled IP20 (IEC 60529) 
Cooling capacity measured at pump stage 1 (0.5 bar)             
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