differential pressure transmitter – Dwyer Instruments Blog

What is an Air Handler?

Dwyer Instruments — Wed, 22 Mar 2023 14:09:52 +0000

Imagine you sit down at a restaurant on the outdoor patio, and as you’re waiting to order your food, you glance at the large HVAC system on top of the building across the street. Several questions cross your mind: Why do they need such a big system? And what goes into it? Today I want …

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How Pressurized Stairwells Keep You Safe

Rachelle Krause — Wed, 24 Nov 2021 14:42:15 +0000

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 …

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Importance of Sensor Stability in Healthcare Isolation Rooms

Jonathon Jachura — Wed, 10 Mar 2021 17:47:10 +0000

The purpose of a healthcare isolation room is to prevent patients with contagious illnesses from spreading to others or to keep immunocompromised patients safe from exposure to airborne pathogens. As such, there exist two types of isolation rooms, either positively or negatively pressurized. Positive pressure isolation rooms are designed to keep pathogens and outside air …

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How is Stability Related to ASHRAE 62.1 Standards?

Jonathon Jachura — Wed, 27 Jan 2021 15:46:06 +0000

ASHRAE 62.1 Standard for Ventilation for Acceptable Indoor Air Quality provides recommendations for minimum ventilation rates and other parameters to ensure good indoor air quality (IAQ). Keeping the IAQ at a safe level will help to minimize any adverse health effects caused by air quality factors. The 62.1 standard is intended for both new building …

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Analog vs. Digital Device Signals

Janis Rozenbergs — Thu, 28 Mar 2019 15:57:33 +0000

In today’s industry, the number of device output signals continues to grow. Each signal is different; so how do you figure out which one is right for your application? The easiest way to hone-in on the correct signals for your application is to decide whether you want a digital communication signal or an analog signal. Most …

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