Thursday, March 20, 2014

Some Common RTD Probe Types

By Gwen Lowe


RTDs are among the most commonly used devices for measuring temperatures in laboratories and industries. The common types of these devices are mounted with a resistor for measuring temperature and resistance variation in addition to a core obtained from glass or ceramic materials. Manufacturers also design these devices with probes, which protect the devices from damages. When you decide to purchase an RTD probe, you would find various options to choose from.

The spring-loaded with hex nipple probes come with properly aligned sheath that protects the device against harsh environments. It also has a sheathed alumina powder insulation, which guarantees proper heat transfer and vibration dampening. These devices are designed in such a way that you can easily connect it to the wiring junction box besides being able to replace the existing probes any time a need arises.

Attached-in plug probes are also popular. Most of these gadgets are lagged with alumina powders to guarantee high standards of safety and plug-in mechanisms to make the wiring process easier. These devices are also lagged to enhance the rates at which heat can move and reduce the impacts of vibration.

Another common option is the built-in head connection probe. These types have an alumina lagging, sealed sheath, aluminum screw-cover head and ceramic terminal base. The ceramic terminal base is usually fastened with a brass terminal and stainless steel screws. The main purpose of insulating these devices is to secure the device from various harsh conditions.

Other popular devices are the wall-mount room temperature types. The main types of these devices come with internal terminal strips, metal wall mounted sub-plates and plastic ventilated covers. Most of them have high standards of versatility and people can easily mount them in the vertical and horizontal position. In order to improve their performance, the plastic ventilated coat in most of the devices is covered with a sheathed coat.

Other types of probes available in the market are the bolt-on-ring probes. Normally, these are devices are mounted with brass rings, metal sheathing and over-braids. Different options vary in size hence when choosing an option to suit your needs, you should ensure the screws and bolts have the same size as the diameter of the ring.

Another common option in the market is the adjustable spring immersion. These apparatus come with lead wire transitions and adjustable springs, which better the standards of metallic sheaths and the variations of the immersion. If you want a device that can be connected easily to its adapters, you should consider the one with a pierced cap.

Whenever shopping, most people not only base their search on quality of certain products but also the type of product. This is because all products are not the same and cannot be used for the same application. It is also the same when shopping for resistance temperature detector probes as not all probes are the same and can be used for the same application. When looking for the best probes to suit your needs, it would be essential first you know the different types available and their uses in order to decide on which to choose.




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