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Refrigerating Circulator KH4
Covering a wide range of temperature control applications
  • Space-saving design
  • Microprocessor controlled
  • Rapid cooling to the desired set temperature
  • Real Temperature Adjustment
  • CFC free

Precise and constant temperature often is essential for a wide range of laboratory methods, e.g. Pulsed Field gel electrophoresis with the Rotaphor, native Polyacrylamide gel electrophoresis (slabgels), agarose gel electrophoresis (Agarose gel systems), isoelectric focusing (2D gel electrophoresis) or DNA-sequencing (DNA-sequencer).

The new KH-4 is menu driven, microprocessor controlled and equipped with genuine digital electronics. The compact design is a result of modern SMD technology. The Real Temperature Adjustment system allows corrections between the actual temperature displayed and the temperature in an external system by an correction value "C".

The powerful pump (switchable 6 or 12.5 l/min.) ensures an excellent temperature uniformity throughout the bath and an efficient heat exchange with external objects. Thus, a high degree of temperature accuracy is attainable.
KH4
TECHNICAL SPECIFICATIONS
Working temperature range: -10 to +100°C
Fixed temperatures: 4 (free selection)
Temperature accuracy: +/- 0.02 K
Display: multifunction, digital
Heating capacity: 2,000 W / 1,200 W
Cooling capacity at 20°C: 240 W
Pump flow rate: 12.5 l / min. resp. 6 l / min
Max. Pump pressure: 300 mbar
Pump connections: 8 and 12 mm
Bath volume: 3.0 l
Bath Opening (W x D): 130 x 100 mm
Overall dimensions (W x L x D): 195 x 360 x 570 mm
Over temperature alarm: variable
Minimum level alarm: fixed
Alarm: optical
Ambient temperature range: 10°C to 40°C


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