Some Common RTD Probe Types

By Gwen Lowe


Resistance temperature detectors are essential for various applications especially in industries and laboratories where accurate temperature measurements are required. This apparatus has a glass or ceramic core and a resistor, which changes its resistance value as temperature changes. The materials used to make this device are very delicate hence need to be secured under a RTD probe. There are various types of probes available that are used for various types of resistance temperature detectors.

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.

The built-in head connection probes come with cast aluminum screw cover head, insulated alumina powder and a well-sealed sheath. Some also have a ceramic terminal base, which are attached to stainless steel screws and brass terminals. The alumina lagging is designed to provide suitable protection to the device.

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.

The adjustable spring immersions probes are also common. Most of the devices that are designed in this make come with a lead wire transition and adjustable spring to guarantee the provision of the variable immersion and metallic sheathing. Some have a pierced cap, which ensures people can easily and quickly connect it to their adapters.

There are various factors, which people should consider when purchasing certain items. One of the main factors is the type of the product to be purchased since not all products are the same. Therefore when purchasing probes, you should also make sure you determine which type to choose as there are various types available that can be used for different applications. To choose the best option, people are supposed to familiarize with the common types available and their advantages and drawbacks as this would be the best way to help them make a wise decision.




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