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The aims of this reseach is developing low cost heat pump dehumidifier (HPD) for shrimp crackers dryer, and observe the process characteristic of HPD dryer. System of HPD dryer consist of evaporator, condensor, compressor, expansion valve, fan blower and drying chamber. Observed characteristic factor of the HPD dryer are drying chamber temperatur, fan blower speed, relative humidity and absolute humidity, drying time and energy consumtion. Result proved that development of HPD dryer can perform well for shrimp cracker drying. Based on statistical test, the fan blower speed factor has significant effect to drying time. the higher the fan blower speed, the shortest the drying time. Drying chamber temperatur factor and it’s interaction with fan blower speed factor statisticaly has no significant effect to drying time. Statisticaly tested, the factor of drying chamber temperature, fan blower speed, and interaction factor of drying chamber temperature with fan blower speed has no significant effect to energy consumtion. Keywords— Heat Pump Dehumidifier, dryer, food drying,

Development and Process Characterization of Low Cost Heat Pump Dehumidifier for Crackers Dryer