* Model : MANA-ACM Test Duct : 254(W) X 254(D)mm Air Flow Measure :  Orifice Air Flow Control : IGBT Inverter Heating Method : Electric Heater                            (SCR Control) Humidifier : Electric Heater (SCR Control) Refrigerant System : 1/2HP Air Cooled Measuring Instrument: Digital Thermometer,                  Flow meter, Pressure gage,                  Voltmeter, Ampere meter Power : AC 220V, 50 or 60Hz 3Phase 　 * Optional Accessories Data Acquisition System Digital Pressure Sensor, etc.