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  • Temperature Sensing Technologies
    Of all of the sensing technologies, temperature sensing is the most common. This phenomena can be explained by citing examples in a multitude of applications where knowing and using the actual or relative temperature is critical. For instance, other sensors such as pressure, force, flow, level
  • Flow Sensors
    Recent advances in flow sensing have resulted in more accurate, durable, and economical meters. Increasingly important is the ability to interface meters with a computer for instantaneous flow readout to remotely control flow, or to allow unattended process operation. To meet such demands, new
  • True Mass Flow Meters
    True mass flow meters directly measure the mass rate of flow. They include thermal meters and Coriolis meters. Thermal meters use a heated sensing element isolated from the medium flow path. The flow stream conducts heat from the sensing element. The conducted heat is directly proportional
  • Self-Conditioning Flow Meter Solves Measurement Challenges for LNG Processing and Distribution
    With its self-conditioning, no-moving parts differential pressure (dP) sensing technology, McCrometer's V-Cone Flow Meter is now installed in a wide variety of LNG applications all over the world. Hundreds of V-Cone Flow Meters have been installed to measure gas as it flows into liquefaction trains
  • Medical Device Link . Micromachined Pressure Sensors Reach a New Low
    . In the past, most designers relied on capacitive strain gage and micromachined silicon capacitive and micromachined flow-through technologies when designing low-pressure sensors. While many sensing technologies can measure flows within the necessary ranges for medical applications by using down-ranged
  • Proximity Sensors
    to 158 F. Conditioning the output of position sensors has always been difficult. Designers must confront linearity, hysteresis, excitation voltage instability, and voltage offset. Circuits that measure current flow between the sensing electrode and the target provide readouts in appropriate
  • Do Averaging Sensors Average? (.pdf)
    An averaging temperature sensor (ATS) is generally used to maintain the design mixed air temperature of an airside economizer system. These devices can have sensing elements from 5 to 50 feet long and generally provide acceptable performance if they are installed properly so they not only sense
  • Appliance sensors become hot stuff
    development of the prototype sensor. This is the prototype housing for the liquidlevel sensor. The housing protects the sensing electronics and stabilizes the flow of water around the sensor producing a smoother response to changes in liquid level. This is the prototype water flow-rate sensor housed
  • Bellows smooth valve moves
    shuttles from one damping element to the other, compensating for minute fuel-pressure variations. Control electronics peg bellows service temperature range at -40 to +185 F. Electrodeposited-nickel bellows are widely used as sensing elements in pneumatic regulators, switches, gages, actuators
  • Control Signal Input
    of an actuator to a throttling valve, which has the ability to adjust to a signal, is called a control valve. An actuator used in throttling or modulating service is part of the control loop consisting of a sensing device, controller and an actuator mounted on a valve. The actuator receives

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