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RTD Sensors
Resistance Temperature Detectors (RTD’s) are temperature sensing devices consisting of a wire coil or deposited film of pure metal, usually platinum. The element’s resistance increases with temperature in a known and repeatable manner.
Product Lines
Adjustable Bayonet Style RTD's
- 3/16″ diameter stainless steel probe
- Operating temp. 392°F (200°C); 900°F (482°C) available
- 3-wire circuit
- 100 ohms Class B element per IEC 751
- Can be installed wherever existing thermocouples of similar design are used
Compression Fitting RTD's
- 3/16″ diameter stainless steel probe
- Operating temp. 392°F (200°C); 900°F (482°C) available
- One-time adjustable 1/8″-27 NPT brass compression fitting
- 3-wire circuit
- 100 ohms Class B element per IEC 751
- Can be installed wherever existing thermocouples of similar design are used
Melt Bolt RTD's
- 3/16″ diameter Probe
- 100 ohm Class B element per IEC 751
- 3-wire circuit
- Can be installed wherever standard melt thermocouples are used
- Operating temp. 392°F (200°C), 900°F (482°C) available
- Available in 3″ and 6″ bolt designs
- Bolts and Probes are 300 series stainless steel
Rigid Bayonet Style RTD's
- 3/16″ diameter stainless steel probe
- Operating temp. 392°F (200°C); 900°F (482°C) available
- 3-wire circuit
- 100 ohms Class B element per IEC 751
- Can be installed wherever existing thermocouples of similar design are used
RTD's with Transmitter & Connection Head
- 100 ohm RTD
- 4-20mA Programmable Linear Output Transmitter
- Available with Spring-Loaded Sheath
- Temperature Range of -58°F to 500°F (-50° to 260°C)
- Transmitter Accuracy of +/-0.2% of temperature span
- For field programming of the temperature transmitter see Part Number ETM90006
- Available in Single 3-wire Circuit only
- 1/2″ NPT process connection
Sanitary RTD's
- Platinum Resistance Element
- Ideal for Food and Dairy Applications
- 316 SS Construction
- Available in Standard .250 dia. Tip or Optional .500 dia. Reduced to .250 dia.
- Improved Response Time
- Welded and Highly Polished Components
- Operating Temperature Range of -58° to 500°F (-50° to 260°C)
Style RTD1
Straight Probe
- Platinum Resistance Element
- Two Construction Styles to Suit Any Application: Tube & Wire or Mineral Insualated
Style RTD2
Plug or Jack Termination
- Platinum Resistance Element
- Available with standard or mini, 2- or 3-prong plug or jack
- Two Construction Styles to Suit Any Application
Style RTD3
Open Disc Termination
- Platinum Resistance Element
- Ceramic disc 1-1/8″ O.D. for 2-, 3- and 4-wire designs, 2-1/32″ O.D. for dual 6-wire design (.188″ and .250″ O.D. sheath); consult factory for 1/8″ sheath O.D.
- Two Construction Styles to Suit Any Application
Style RTD4
Process Connection
- Platinum Resistance Element
- Designed for mounting to connection head and thermowells
- Optional spring loading on 1/2″ NPT only
- Stainless Steel fittings with 1/4″ or 1/2″ NPT thread
- Two Construction Styles to Suit any Application
Style RTD5
Handheld Probe
- Platinum Resistance Element
- Ground conical point for easy meat penetration
- Large handle makes penetration and removal easy
- Three Construction Styles to Suit any Application
Style RTD6
Connection Head with optional Compression Fitting
- Platinum Resistance Element in single or dual circuit.
- Tempco’s connection heads are gasketed to seal against moisture, dust and corrosive or hostile atmospheres.
- Screw covers are attached to body with a stainless steel chain and screws.
- Tempco’s connection heads are available in die cast aluminum, cast iron, stainless steel and Bakelite. Explosion proof heads are also available in aluminum and stainless steel.
- Two Construction Styles to Suit Any Application
Style RTD7
Connection Head with 1/2″ NPT Hex Nipple
- Platinum Resistance Element.
- Gasketed to seal against moisture, dust and corrosive or hostile atmospheres.
- Screw covers are attached to body with a plated chain.
- Covers have lugs for tightening or loosening with a screwdriver or wrench.
- Available in single or duplex.
- Available in die cast aluminum, Bakelite and cast iron in a variety of sizes from miniature for confined areas, to the large universal head designed for heavy process and industrial applications. See Sensor Accessories for complete details.
- Two Construction Styles to Suit Any Application
Style RTD8
Connection Head with 1/2″ NPT Pipe Nipple
- Platinum Resistance Element.
- Gasketed to seal against moisture, dust and corrosive or hostile atmospheres.
- Screw covers are attached to body with a plated chain.
- Covers have lugs for tightening or loosening with a screwdriver or wrench.
- Available in single or duplex.
- Available in die cast aluminum, Bakelite and cast iron in a variety of sizes from miniature for confined areas, to the large universal head designed for heavy process and industrial applications. See Sensor Accessories for complete details. ✴ Pipe Nipple is galvanized.
- Two Construction Styles to Suit Any Application
Style RTD9
Connection Head with 1/2″ NPT Nipple, Union, Nipple
- Platinum Resistance Element.
- Gasketed to seal against moisture, dust and corrosive or hostile atmospheres.
- Screw covers are attached to body with a plated chain.
- Covers have lugs for tightening or loosening with a screwdriver or wrench.
- Available in single or duplex.
- Available in die cast aluminum, bakelite and cast iron in a variety of sizes from miniature for confined areas, to the large universal head designed for heavy process and industrial applications. See Sensor Accessories for complete details. ✴ Nipple-Union-Nipple is galvanized.
- Two Construction Styles to Suit Any Application
