Air cooled cooling thermostats with control head Silver and Gold and natural refrigerents. 230V; 50/60Hz. Technical data (according to DIN 12876). Working temperature range -30 °C ... 150 °C. Temperature control ± 0,02 °C. Heater power 1.3 kW. Cooling capacity at 20 °C 0,200 kW. Pressure pump - max. pressure 0,55 bar & max. flow 22 L/min. Bath volume max. 5.7 L. Size of bath (W x D x H) 150 x 130 x 160 mm. Overall dimensions (W x D x H) 200 x 430 x 581 mm. The cooling thermostats with control head Silver are available in the temperature range from -50 up to 150 °C. The cooling thermostas with control head Gold work up to 200 °C.