Damper actuator controller having an enthalpy sensor input

Details Damper actuator controller having an enthalpy sensor input Damper actuator controller having an enthalpy sensor input

1996-01-25

1998-06-09

Tanner, Harry B.

Thermal measuring and testing

Calorimetry

Heat absorbing heigh temperature gas probe

236 44C, 165251, 374109, F24F 1104

Patent

active

057624208

ABSTRACT:
A low-cost, accurate enthalpy sensor is described. The invention provides an on/off output which reflects the result of a comparison between the enthalpy level of a space and a predetermined setpoint. The sensor combines a signal representative of humidity with a signal representative of temperature to create a signal representative of enthalpy. The signal representative of enthalpy is compared with a predetermined setpoint to determine if the enthalpy level is above or below the setpoint. An output is then produced which indicates whether the output representative of enthalpy is above or below the predetermined setpoint.

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