Digital Humidity Sensor for Aircraft Environmental Control Systems
AMETEK Sensors & Fluid Management Systems (SFMS) has developed the smartest and most accurate humidity sensor available for aircraft environmental control systems (ECS). Qualification for transport jet application is complete.
The advanced humidity sensor (8TJ315AAA1) contains a sensing element and electronics that convert the water concentration in the air to a standard CAN Bus output. The humidity sensor uses a capacitance technique with specialized signal processing to measure the water content.
The humidity sensor has passed tests in accordance with DO-160, substantiating all of the requirements for its location on transport aircraft. The sensor is intended for air ducting where humidified air is carried to seating areas. The sensor’s time response is a function of airflow and typically is under six seconds.
The CAN Bus output has labels for duct humidity and temperature as well as Built-In-Test status. The internal Built-In Test capability indicates detected failures with the sensor and its internal processing circuits.
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AMETEK SFMS is a leader in sensor technology for a broad range of
aircraft engine and airframe applications and a division of AMETEK
Aerospace & Defense. AMETEK, Inc.is a global manufacturer of
electronic instruments and electromechanical devices with annual
sales of more than $3.6 billion.
