Process thermostat PRO RP 250 E

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Product overview
The PRO RP 250 E thermostatic circulator is designed for external heating and cooling applications with fast temperature response and compact installation. The unit combines a low filling volume, integrated cooling coil and a pressure-suction pump to enable rapid temperature changes and reliable temperature control for process and laboratory applications.

Features

• Thermostatic circulator with advanced microprocessor control and integrated cooling system
• Operation via cursor and softkeys; detachable command console for remote operation
• Stainless steel bath vessel (insulated, with overflow and drain)
• Retrofittable interfaces: RS232/485, Profibus, EtherCAT, analogue or contact modules
• Adjustable over-temperature protection with acoustic alarm; suitable for flammable and non-flammable media
• Uses natural refrigerants and hybrid cooling (air plus optional cooling water)
• Bright, high-contrast OLED display and EasyUse control system
• LAUDA Varioflex pressure/suction pump with 8 selectable levels, rear connections
• Fully electronic PID controller for internal and external control; integrated 1-program programmer (max. 20 segments)
• SmartCool digital cooling management and PowerAdapt for optimal use of available power
• USB and Ethernet interfaces fitted as standard; SelfCheck Assistant for system diagnostics

Working range

• Min. working temperature: -50 °C
• Max. working temperature: 200 °C
• Temperature stability: 0.05 ± K

Cooling capacity (50 Hz)

• 20 °C | Pump level 8 | Ethanol | 1.5 kW
• 10 °C | Pump level 8 | Ethanol | 1.44 kW
• 0 °C | Pump level 8 | Ethanol | 1.2 kW
• -10 °C | Pump level 8 | Ethanol | 0.84 kW
• -20 °C | Pump level 4 | Ethanol | 0.54 kW
• -30 °C | Pump level 4 | Ethanol | 0.29 kW
• -40 °C | Pump level 4 | Ethanol | 0.11 kW
• -45 °C | Pump level 4 | Ethanol | 0.04 kW
• -50 °C | Pump level 2 | Ethanol | 0.02 kW

Technical specifications

• Working temperature range: -50 … 200 °C
• Ambient temperature range: 5 … 40 °C
• Temperature stability: 0.05 ± K
• Heater power max.: 2.5 kW
• Max. power consumption: 3.7 kW
• Current consumption: 16 A
• Max. discharge pressure: 0.7 bar
• Max. pump suction: 0.4 bar
• Max. pump flow: 22 L/min
• Inlet/outlet connection thread (outside): M16 x 1
• Inlet/outlet Ø olives: 13 mm
• Min. filling volume: 2.4 L
• Max. filling volume: 4.4 L
• Dimensions (W x D x H): 300 x 430 x 675 mm
• Weight: 47 kg
• Example power supply: 230 V; 50 Hz
• Example power plug: Power cord with angled plug (CEE7/7)