... supplyAC 220V±10% 50 HZ Input Power1250W Cold bath control area Room Temperature -68 Temperature Stability±1 Heating Power400W ... , provided with electric filtrating device, double holes, and room temperature~-68°C. 3.Applicable standardsThe instrument is designed ... .Measuring device includes the test cup, filter, pipette, cold bath, and digital temperature controller.Refrigeration system is composed ...