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The clockwise (CW) rotation and 5/16" bore size ensure a seamless fit on the motor shaft
By utilizing a 12k ohm thermistor encapsulated in a weather-resistant housing
it is specifically designed for controllers calibrated for the A99 sensor curve and is not a standard 10k Type II or III NTC thermistor
an open switch indicates a restricted vent pipe
MAMAC Systems HU-921-MA-8 Humidity Sensor Els PW 17895 The clockwise (CW) rotation andThe MAMAC Systems HU 921 MA 8 is a high performance OEM humidity sensor engineered for demanding HVAC BAS applications, specifically in economizer control and packaged rooftop air handlers. This unit features a cross linked bulk polymer capacitive sensing element, providing an ultra fast response to changes in relative humidity. For precise monitoring, it delivers a 4 20mA 2 wire output for humidity and utilizes a 10,000 Ohm NTC thermistor (Carel) for
