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ALPHA Cooling Circulators

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The cooling technology of the cooling thermostats RA 8, RA 12 and RA 24 enables cooling performance through the entire temperature range of -25 up to 85 °C. A drain connection on the rear side of the devices makes emptying the heat transfer liquid a simple job. Bath covers and pump kits are included in the standard equipment.

3-button operation with large, clearly legible LED display provides easy and intuitive menu navigation with easily legible display values. Flow rate can be adjusted to the size of the bath through the use of inserts and fittings. Front cover can be easily removed for cleaning of the cool air inlet.

Automatic compressor generates precisely the required cooling capacity – up to 425 W. This provides cost-effective operation with no unecessary energy consumption. Equipment-saving principle extends the life of the compressor.

Application include:

  • Sample preparation for chemico-pharmaceutical analysis
  • Quality control
  • Precise temperature control in sensitive areas such as medical serology
  • Versatile thermostating tasks in the field of biotechnology
  RA 8RA 12RA 24
Working temperature range*°C-25…85-25…85-25…85
Temperature stability±K0.050.050.05
Heater powerkW1.151.151.15
Cooling output at 20 °CkW0.2250.3250.425
Pump pressure max.bar0.20.20.2
Pump flow max.L/min151515
Bath volumeL5…7.59.5…14.514…22
Bath openingmm165x190300x190350x290
Bath depthmm160160160

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Thomas No.
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LAUDA ALPHA RA8 Cooling Circulator, 115V, 25 - 100 °C
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Thomas No.
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LAUDA ALPHA RA12 Cooling Circulator, 115V, 25 - 100 °C
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Thomas No.
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LAUDA ALPHA RA24 Cooling Circulator, 115V, 25 - 100 °C
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