The MSP900SH and the MSP900FH are based on ultrasonic technology. Ultrasonic pulse signals are transmitted and reflected from the liquid surface. The transmitter ‘listens’ for reflected signals (echoes) and measures the time-delay between transmitting and receiving. The distance to the liquid surface is automatically calculated using the computed time-delay. It then computes the speed of sound in air, automatically compensating Distance for temperature effects.
Eliminates problems experienced with contacting instrumentation