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Temperature Monitoring System: How it Works & How to Choose

Andrew Erickson
Andrew Erickson
Applications Engineer

Remote temperature monitoring is most commonly used in telecommunication or IT environments where computer equipment must work with high reliability and high visibility for many years. This kind of monitoring protects your network against thermal shutdown, not to mention irreparable and expensive damage to your network. Ultimately, it avoids lost revenue that results when systems fail.

While "too hot" is the most common issue when dealing with computer systems, "too cold" is also a very real problem in some climates.

The right temperature monitoring system should allow you to keep track of critical temperatures at all of your sites, server rooms, and data centers that contain important gear. Instead of turning to installing new climate control systems, you'll be able to use intelligence to solve temperature-related problems.

What Do I Need for My Temperature Monitoring System?

When you think about remote monitoring, words like "protocol" and "alarm output" might worry you; however, unlike direct monitoring of equipment alarms, site temperature is one of the easiest things to keep an eye on from a distance.

For this kind of monitoring, all you need is one or more temperature sensors and an RTU to send the information back to you. If you have a medium or large network, you can use an alarm master station to send alerts to your phone, email, or other devices.


The HVAC (air conditioning) failure occurred without knowledge of the network operators, and no temperature sensor was in place to detect and report the high temperature. With the money lost due to equipment damage this company could have purchased numerous temperature sensors.

Temperature Sensors are Inexpensive and Easy to Use

Electronic equipment naturally creates large amounts of heat. If this heat is not monitored adequately with temperature sensors, thermal shutdowns will happen sooner or later.

Deploying temperature sensors at your sites will help you dodge service downtime and damage to your gear. These sensors are relatively cheap, simple, and quite compact.

The Costs of Not Monitoring Temperature

Imagine the situation: your HVAC system stopped working and you didn't have any temperature sensors at your remote sites. You had absolutely no idea that the temperature was rising until it was too little too late. Both your customers and bosses won’t be happy with equipment damage and/or emergency shutdowns, right?

I can't say enough how vital it is to monitor the temperature at your remote sites, if you want to avoid having your electronic equipment cooked by excessive heat - or frozen by excessive cold. Temperature sensors should cut your costs and protect your revenue by alerting you at the first sign of trouble at your site.

What Kind of Temperature Sensor Should I use?

That's a very valid question when you start planning your monitoring system. In general, there are two types of sensors to choose from:


With analog sensors you have a real-time value and graphical display of important analog data.

Analog sensors are the best option when setting up remote monitoring systems because they provide more visibility. However, if you don't need all the features of the analog sensor, a digital sensor is more useful than not having any type of visibility.

How Do I Provide Power to My Temperature Sensor?


Get a Custom Application Diagram of Your Perfect-Fit Monitoring System

There is no other network on the planet that is exactly like yours. For that reason, you need to build a monitoring system that's the right fit for you.

"Buying more than you need" and "buying less than you need" are real risks. You also have to think about training, tech support, and upgrade availability.

Send me a quick online message about what you're trying to accomplish. I'll work with you to build custom PDF application diagram that a perfect fit for your network.


Don't make a bad decision

Your network isn't off-the-shelf.

Your monitoring system shouldn't be, either.

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We'll walk you through this with a customized monitoring diagram.

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