Migatron Corporation, USA, high-precision analog ultrasonic sensor
The RPS-412A is a high-precision analog ultrasonic sensor (with an accuracy of 0.002" or 0.05% of range, whichever is greater, at 25"). The high-precision ultrasonic sensor RPS-412A features built-in temperature compensation, monitoring and compensating for air temperature 50 times per second. The RPS-412A high-precision ultrasonic sensor also compensates for changes in relative humidity, changes in barometric pressure, and other factors affecting the speed of sound.
