Michael Hutcheson – Dwyer Instruments Blog

How to Program a Switch for Manual Reset

Michael Hutcheson — Wed, 15 Jul 2020 14:31:04 +0000

Several applications require manual reset switches, which are switches that need to be physically reset by an individual for a process to continue or restart. A manual reset is often needed when an area has to be inspected prior to equipment restart. This can help to ensure the safety/inspection of both equipment and other individuals …

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Velocity Measurement and Environmental Effects

Michael Hutcheson — Thu, 14 Nov 2019 16:19:36 +0000

Differential pressure measurement can be beneficial in a wide variety of building automation system (BAS) applications. One of these applications involves determining if a filter in your system needs to be cleaned or replaced. Filter health can be established by monitoring the pressure on the primary and secondary sides of a filter. A clean filter …

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What Are Intermediate Relays and How Are They Implemented?

Michael Hutcheson — Wed, 03 Apr 2019 12:00:18 +0000

Intermediate relays are crucial in the proper function and operation of several varieties of power equipment, be it in mobile refrigeration or a simple pump application. But what are intermediate relays, and how are they implemented? Intermediate relays provide a low power control circuit to energize a higher power process or load in a circuit. …

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Benefits of Using Current Switches/Transformers

Michael Hutcheson — Wed, 13 Feb 2019 14:30:36 +0000

Motors are used for numerous industrial processes, be it moving air with a fan, pumping water with a pump, or driving a mechanical process. It is important to know when motors are not operating properly or require maintenance. Many installations rely on a sensor or instrument used for the primary process, such as the use …

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