APPLICATION OF AMBIENT AIR TEMPERATURE SENSORS
The measurement of ambient air is required for a variety of organisations including commercial, research and industrial. Ambient air refers to the natural state of the air in an outside or inside environment, which varies from location to location due to fluctuations in the air’s composition.
Measuring ambient air enables you to accurately calculate the start-up time and the energy demand requirements of the energy management systems. It also enables you to control laboratory and clean room environments as well as maintaining frost protection for outside plants.
Many clients of a north east manufacturing facility were experiencing a frequent issue when it came to measuring ambient air effectively. For instance, the location of measuring devices are often in areas that experience large amounts of human traffic, which in turn leads to cases of accidental damage and tampering. There was also the issue of forgetting to provide regular calibration for devices located in remote positions, either through simple human error or because doing so was not considered to be economical.
Ambient temperature sensors, therefore, are often neglected unless heating and cooling equipment fails to operate when the weather has a long run of hot or cold weather or in the event of an outside plant freezing up. In spite of their importance, this continues to be an issue for people across the industries.
Thermal Detection, who specialise in industrial sensors and products, decided to develop a solution to deal with this issue, and it comes in the form of the AA ambient temperature sensor. Taking the issues of clients into account, the temperature sensor uses construction materials that are suitable for its intended use.
The sensor housing is held in a small diameter 316 stainless steel sheath that comes with a protective and perforated outer shroud in the same material. The shroud provides excellent mechanical protection and a reduction in the effect caused by wind-chill.
The terminal case comes in either powder-coated die-cast aluminium or in glass reinforced polyester (otherwise known as GRP). Both forms of casing are completely weatherproof to IP65. The sensor also comes with a cable exit, specifically a standard M20 cable gland in thermoplastic material or brass.
Clients are able to select the materials for the case and gland at their own discretion.
The AA ambient air temperature sensor offers an array of benefits. For one, its design enables it to be easily fitted to any surface; this is because the mounting hole locations are isolated from the inner housing, allowing the case to retain environmental integrity and sustain rough handling without the risk of degradation.
The AA ambient air temperature sensor can also provide a standard 4 to 20mA signal output when fitted with an appropriate temperature transmitter. This allows it to connect to variety of external instrumentation systems like chart recorders, data loggers or controllers. The case and sensor housing has been developed so that it is unaffected by the majority of industrial conditions and can be located anywhere. When called upon to provide accurate readings of ambient air, it can be relied upon again and again to produce the best results.
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Article Added on Wednesday, April 8, 2015
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