At one point or another we have all been exposed to some form of an electrostatic discharge (ESD) event, even something as simple as walking across a carpeted space, touching a door knob, and receiving an unexpected jolt. These types of events are very common in instrumentation applications. Today we will discuss what ESD is,...
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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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There are three main types of temperature sensors, and each one has its own strengths and weaknesses. Today we’ll be discussing the advantages/disadvantages of each RTD temperature sensors, thermistors, and thermocouples. A resistance temperature detector (RTD) is made from a sensing element that changes resistance with temperature. The majority of RTDs use a platinum temperature sensing element. Platinum offers...
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Valves are used to handle a wide variety of functions in controlling the flow of liquids and gases. With so many options available, it’s important to look at all of the factors to ensure you are selecting the correct valve for your application. 1. Media Type The characteristics of the liquid or gas type being...
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Energy Monitoring Systems (EMS) continuously monitor and record chiller operating data. The EMS utilizes flowmeters installed in each chiller to measure flow. Temperature sensors are located in the inlet and outlet of the evaporators and condensers. A kWh meter measures the power consumption of each chiller. The data from each of these devices is collected and...
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