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THERMOCOUPLES A thermocouple is a sensor for measuring temperature. It consists of two dissimilar metals, joined together at one end. When the junction of the two metals is heated or cooled a voltage is produced that can interpreted by a temperature controller, high limit or display device. There are two common constructions for these: Tube and Wire and Mineral Insulated. The tube and wire uses an empty stainless tube with a wire inside which has a welded tip incorporating the wire junction. This construction is typically used to 900ºF. The Mineral Insulated construction uses a highly compacted stainless sheath with solid conductors encased in magnesium oxide insulation. This construction offers a wider variety of diameters, allows for the sensors to be bent in the field and for temperatures to 2200ºF. These sensors are available is a huge range of physical packages with a variety of lead wire, housing, and mounting options. RTD’s (Resistance Temperature Detectors) (RTDs) are temperature sensors that contain a resistor that changes resistance value as its temperature changes. RTDs are also available in a Tube and Wire and Mineral Insulated construction. They are more accurate than thermocouples and are typically used for temperature sensitive and laboratory applications. We offer these in a variety of constructions and physical packages but are constrained by the size of the resistor beads. There are restrictions to the diameter and lengths of the available constructions. STANDARD CONSTRUCTIONS
THERMOCOUPLES - ADJUSTABLE BAYONET
THERMOCOUPLES - RING TONGUE AND SHIMSTOCK
THERMOCOUPLES - NOZZLE AND PIPE CLAMP
THERMOCOUPLES & RTD - TUBE AND WIRE
THERMOCOUPLES - MINERAL INSULATED
RTD - MINERAL INSULATED
THERMOCOUPLES & RTD - TERMINATIONS
THERMOCOUPLES - PLUGS AND JACKS
THERMOCOUPLES - ACCESSORIES
THERMOCOUPLES - WIRE COLOUR CODES
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