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Picture this: You wake up with a start to the sound of crackling flames and the screech of an alarm. A nearby apartment room has caught fire, and you need to get out before it spreads to the rest of the building. You go through the motions; grab the keys, check the door knob, keep low to the ground. You head to the stairs and make your way outside to safety.
Have you ever wondered why there are a multitude of sensor output signals that can be configured on pressure, temperature, humidity, or gas sensing instrumentation used in process or HVAC applications? Most of these offerings were originally set up to allow sensor manufacturers to better align with the inputs offered by manufacturers of programmable logic controllers (PLCs) and direct digital controllers (DDCs), which are used for controlling processes for both automation and HVAC control.
I’d like to focus on two of the most commonly used output signals and zero in on the advantages and/ or disadvantages these output signals offer. Two of the most commonly used output signals include analog current, typically 4 to 20mA, and analog voltage, typically 0-10V. Continue reading “Understanding Sensor Output Signals”
Question: Is there a kit I can buy with the Magnehelic® Differential Pressure Gage for monitoring air filters, so that I don’t have to buy all the tubing, static pressure tips, and a bracket separately?
Continue reading “Ask the Expert – Monitoring Air Filters with the Magnehelic® Gage”
From dairy to petrochemicals, several applications require monitoring or control of liquids in tanks. Wastewater facilities are among the many industries requiring meticulous observation. The technology used for this measurement is dependent upon the type of tank and its contents. Continue reading “Capacitive Level Monitoring in Wastewater Treatment Facilities”
The summer is always a busy time for our team, as we check and double check the formatting and information of our annual instrumentation catalog. Now that autumn is here, we’re proud to announce that the new Dwyer Catalog is now available! Continue reading “The New Catalog is Available… Get Yours Today!”