1. Thermatel® TD1/TD2 Flow/Level/Interface Switches

... One is the reference and the second is heated to a temperature above the process temperature. The electronics detect the temperature difference between the two elements. The temperature difference is greatest ...

2. Thermatel® TA2 Mass Flow Transmitter

... F [+200° C]); the second RTD measures the temperature of the heated sensor. The power to the heater is varied to maintain a constant temperature difference above the reference temperature. There is an ...

3. ultrasonic streamflow monitoring system

... of volumetric discharge is also made and relative difference with dam discharge is 2.7%. Read Entire Article...  ...

4. Hamilton Visiferm DO Sensors

...  This difference in intensity is analyzed within the instrument's self-monitoring to pinpoint photo bleaching (bleaching of the luminophore). For the measurement of oxygen concentration, the optical ...