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Advice Corner: Temperature@lert Sensors And High-Voltage Wiring

Nov 26, 2013

Temperature@lert recently encountered a situation with one of their best customers, a well-known and respected entertainment company. This particular company is the largest provider of family entertainment in the world with more than 3000 employees and hosts a variety of productions for more than 30 million people annually. The specific circumstances and resulting solution can benefit other customers in similar predicaments.

 Temperature@lert Cellular Device

The Setup:


The customer has several Temperature@lert Cellular Edition devices deployed around the world for their operations and each device hosts approximately 3-4 wired temperature sensors. These sensors range from 6’ to 150’ in length. Many of the longer sensors were mounted alongside a conduit that housed electrical wiring for a motor. The sensors were attached to the side of the conduit housing with zipties.

Temperature@lert Cellular Device + Sensor Cloud Service: How it works graphic


The Problem:


The customer uses the PRO Sensor Cloud Plan, which allows constant temperature readings for every five minutes. They noticed that the Temperature@lert sensors (alongside the conduit) were only recording readings 3-5 times per day. This error was not related to the Temperature@lert Cellular Edition.


The Cause and Solution


After trying several creative strategies to rectify the situation, Temperature@lert Technical Support was able to identify the cause of the reading disruption. The conduit housing contained several wires that transmitted high voltage electricity to the stated motor, some as high as 220 volts. Ultimately, the electromagnetic field (EMF) of these wires was causing interference and thereby preventing the temperature sensors from transmitting readings to the Cellular Edition. With this in mind, Temperature@lert advised the customer to situate the sensors away from the high voltage conduit. Once this was completed, the customer reported that the sensors were effectively transmitting readings every five minutes as originally intended and thus indicating that the problem had been resolved.

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Temperature@lert would like to open this discovery to all customers and potential prospects as a statement of best installation practices. Whenever possible, ensure that Temperature@lert sensors are not placed alongside (or near) high voltage electrical wiring as stated in the above example. For more information on installation best practices and troubleshooting your device, please contact Temperature@lert technical support for assistance.

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