RTD’S
Proheat’s general purpose RTD temperature sensor assemblies find use in a multitude of process and HVAC applications. Assemblies are offered with a choice of element materials, values and accuracies, a choice of element leadwire configurations, and a choice of sheath materials and diameters. Many assemblies are supplied in drilled or flanged wells, and all assemblies can be supplied with Proheat’s low cost integral head mounted RTD transmitter.
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RTD Elements
Element Options: 2, 3, 4 wire per element construction, single and duplex elements, wire wound or film type elements
Materials
Platinum, Copper, Nickel, Nickel-Iron
Values
Platinum (100, 200, 500, 1000 ohm)
Copper (10 ohm)
Nickel (120 ohm)
Nickel-Iron (604 ohm)
Accuracies
Platinum (±0.12%, ±0.1%, ±0.03%, ±0.01% at 0°C) All Others (from ±0.2% to ±0.5%)
RTD Sheaths
Sheath Options:
Compression fittings, welded bushings, flanges, bayonet fittings, sheath bends and Teflon¹® coating ¹ Trade name of E.I. DuPont
Sheath Materials:
316 Stainless Steel Standard (other materials available)
Sheath Diameters:
1/8″, 3/16″, 1/4″, 3/8″ OD’s and other fractional or metric sizes
Complete RTD Assemblies
Assembly Options:
High or low temperature construction, standard or miniature size plugs and jacks, choice of 8 connecting head materials, leadwire with several choices of insulation, leads with metal overbraid or in flexible armor.
Leadwire Termination Options:
Plugs, jacks, spade lugs, and special connectors
Sheath Termination Configurations:
RTD plugs and jacks, Standard screw cover and explosion-proof heads, Miniature heads, leadwires, Special construction
RTD Temperature Transmitter
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Proheat’s RTD transmitters are designed to produce a linearized (4 to 20) mA dc output current signal, which is directly proportional to the temperature of the RTD temperature sensing element. A variety of models are available for RTD sensor inputs of different element values and temperature coefficients. Transmitters are available as part of a temperature sensor assembly or as stand alone units.
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Standard Designs
