Cat. No. LWP 522

Article description:

• Process thermostat with integrated cooling system for dynamic temperature control in external circuits.
• Back-lit graphic LCD display with high resolution and different display modes.
• Additional green LED display for temperature.
• Input either via cursor keys, numeric soft keys or both. Additional Tmax key for overtemperature.
• Command console can be detached and used as remote control.
• EasyUse system for simple operation of the whole unit.
• SelfCheck Assistant for system diagnosis.
• Fully electronic continuous controller with PID action for internal and external control.
• PowerAdapt system for the use of the maximum possible amount of heat as long as permitted by the power supply system.
• Low-level protection and adjustable over-temperature protection with acousticalarm.
• Float switch for identifying of low or high level.
• Powerful LAUDA Variopump (pressure pump) with 8 selectable output levels or control of outflow pressure.
• Optically decoupled RS 232/485 interface integrated as a standard.
• Option for upgrading with up to 2 interfaces (RS 232/485, Profibus, analogue or contact modules)
• Programmer with 150 temperature/time segments that can be separated into 5 programs.
• Timer function for switching on the thermostat, entering the stand-by mode or running of programs.
• Digital display of pump pressure.
• Very small internal volume and big non-thermostated expansion vessel (cold fluid layer system)
• SmartCool system for energy-saving digital cooling management including compressor on-off control.
• Condenser cooling Air.

Technical data (according to DIN 12876)

• Working temperature range -50 °C ... 300 °C
• Ambient temperature range 5 °C ... 40 °C
• Temperature control at -10 °C,
• Ethanol, with 5 L ext. volume ± 0,05 °C
• Cooling output (pump level 4)
 200 °C 7,0 kW
 100 °C 7,0 kW
 20 °C 7,0 kW
 0 °C 4,8 kW
 -20 °C 2,2 kW
 -50 °C 0,3 kW
• Heater capacity max. 5,2 kW
• Pressure pump
 - Pressure max. 2,9 bar
 - Flow max. 45 L/min
• Pump connections M 30 x 1,5 M (DN 20)
• Filling volume min./max. 5,3/12,0 L
• Dimensions (W x D x H) 460 x 550 x 1285 mm