Tabai Espec Corp. Temperature and Humidity Chamber Platinous Series Model PR-1G1, System balanced temperature and Humidity control. Power 220v, 3 phase, 50/60Hz 15.5 amps max. Temp. range: -20 to 100C, Relative Humidity RH range: 30 to 98%, Heater 1.5 KW. Humidity Heater 1.8 KW, Inside dim. W60 x H5