Bath Thermostats » Proline

Cooling - Master

Cooling thermostats with Master control head

In addition to an 8-level Varioflex pump and heating capacities of up to 3.5 kW, the Proline cooling thermostats' SmartCool system allows new dimensions in refrigerating capacity of up to 1.6 kW. The control head Master offers two module slots for digital or analogue interfaces - a selection of four interfaces, integrated external control and simple 3-key operation.

  • Thermostatic bath/circulator with latest microprocessor technology and integrated cooling system
  • Easily readable green LED display for temperature
  • User-friendly menu guidance. Simple operation by means of 3 keys. Additional key Tmax for excess temperature
  • 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 acoustic alarm. Float switch for identifying of low or high level
  • LAUDA Varioflex pump (pressure/suction) with 8 selectable levels
  • Option for upgrading with up to 2 interfaces (RS 232/485, analogue or contact modules)
  • Pump connectors on the side and in the back, installed bypass
  • SmartCool system for energy-saving digital cooling management including
  • compressor on-off control
  • Bath vessel made of stainless steel (insulated, with handles and release valve)
Technical features Units RP 845 RP 855 RP 870 RP 890
Working temperature range* °C -45...200 -55...200 -70...200 -90...200
Temperature stability ± °C 0.01 0.01 0.02 0.02
Heater power kW 3.5 3.5 3.5 3.5
Cooling output at 20°C kW 0.8 1.6 0.38 1.1
Pump pressure max. bar 0.7 0.7 0.7 0.7
Pump suction max. bar 0.4 0.4 0.4 0.4
Pump flow (pressure) max. L/ min 25 25 25 25
Pump flow (suction) max. L/ min 23 23 23 23
Bath volume L 5.5...8 5.5...8 5.5...8 8...13.5
Bath opening/ depth mm 150x150/200 150x150/200 150x150/200 150x150/200
230V; 50Hz   Yes Yes Yes Yes
208...220V; 60Hz   Yes Yes Yes Yes
115V; 60Hz (Heater power 1.7kW)   Yes      
Technical features Units RP 1290 RP 1840 RP 1845 RP 3530
Working temperature range* °C -90...200 -40...200 -50...200 -35...200
Temperature stability ± °C 0.02 0.01 0.01 0.02
Heater power kW 3.5 3.5 3.5 3.5
Cooling output at 20°C kW 1.1 0.9 1.6 0.9
Pump pressure max. bar 0.7 0.7 0.7 0.7
Pump suction max. bar 0.4 0.4 0.4 0.4
Pump flow (pressure) max. L/ min 25 25 25 25
Pump flow (suction) max. L/ min 23 23 23 23
Bath volume L 8...13.5 12.5...19 12.5...19 23...35
Bath opening/ depth mm 300x150/200 300x200/200 300x200/200 300x350/250
230V; 50Hz   Yes Yes Yes Yes
208...220V; 60Hz   Yes Yes Yes Yes
115V; 60Hz (Heater power 1.7kW)     Yes    

* Opening temperature range in equal to the ACC-range.