1-866-712-5014 Home > Temperature Sensors > Resistance Temperature Detectors > General Purpose RTDs > RTD probe with Terminal Head > RTD probe with Terminal Head RTD PROBE WITH TERMINAL HEAD Contact Us Request a Quote R4 style resistance temperature detector probe with terminal head offers screw cover terminal head and NPT fitting. This RTD temperature sensor assembly is used where protection for the termination is a consideration and can be designed for an outdoor application or with an integral transmitter. Numerous element types, wiring configurations, sheath diameters, terminal heads and fitting options are available. 500°F(260°C), 900°F(482°C) or 1200°F(648°C) temperature options. Part Number Configuration - Example: R4L-EA-4C060-62AR RTD Style - Element Type + Wiring Configuration - Sheath Material + Sheath Diameter + "L" Sheath Length - Process Connections + Spring Loading Options + Terminal Head + Fitting Option Specs & Options Downloads RTD probe with Terminal Head Specs & Options Back to Top RTD Style Resistance Temperature Detector Style Maximum Temperature R4L 500°F (260°C) R4M 900°F (482°C) R4P 1200°F (648°C) Element Types Element Type Code Element Type Description A 100 ohm .00385 Curve Class B Platinum B 100 ohm .00385 Curve Class A Platinum D 500 ohm .00385 Curve Class B Platinum E 1000 ohm .00385 Curve Class B Platinum G 100 ohm .00392 Curve Class B Platinum Wiring Configurations Wiring Configuration Code Wiring Configuration Descriptions A Single, 2 Wire B Single, 3 Wire (Minimum sheath diameter .156”) C Single, 4 Wire (Minimum sheath diameter .188”) D Dual, 4 Wire (Minimum sheath diameter .188”) E Dual, 6 Wire (Minimum sheath diameter .250”) Sheath Material Sheath Material Code Sheath Material Description 4 304 Stainless Steel 6 316 Stainless Steel 8 Inconel 600 Sheath Diameters Sheath Diameter Code Sheath Diameter Description B .125” or 1/8” O.D. V .156” or 5/32” O.D. C .188” or 3/16” O.D. D .250” or 1/4” O.D. F .375” or 3/8” O.D. Dimensional Chart "L" Dimensions "B" Dimensions "A" Dimensions Fractional Dimension Letter Code “L” dimensions are specified in whole inches and a single alpha character which represents a fraction. Enter the three digit code as follows: “B” dimensions are specified in fractions from ⅛” to 1”. Use the single alpha character to indicate the tip length. Enter the code as follows: “A” dimensions are specified in whole inches only. Enter the three digit code as follows: 1/16" A 11/16" L 1/8" B 3/4" M 3/16" C 13/16" N 1/4" D 7/8" P 5/16" E 15/16" R 3" 030 10 5/8" 10K 3/8" F 1" S 4 1/2" 04H 12" 120 1/8" B 5/8" K 9" 009 7/16" G 0 No 6 1/4" 06D 15 3/8" 15F 1/4" D 3/4" M 12" 012 1/2" H 7 7/8" 07P 17 3/4" 17M 3/8" F 7/8" P 36" 036 9/16" J 9 5/8" 09K 22 1/8" 22B 1/2" H 1" S 144" 144 5/8" K Terminal Head Process Connections Process Connection Code Process Connection Description 6 1/2” NPT Stainless Steel Hex Nipple 8 3/4” NPT Stainless Steel Hex Nipple Spring Loaded Options Spring Loaded Codes Spring Loaded Descriptions 1 Fixed Fitting 2 Spring Loaded Fitting Terminal Head Options Terminal Head Code Terminal Head Description A 1/2” NPT Conduit, Aluminum Head B 3/4” NPT Conduit, Aluminum Head C 1/2” NPT Conduit, Cast Iron Head D 3/4” NPT Conduit, Cast Iron Head M 1/4” NPT Conduit Connection, Miniature Plastic Head P 1/2” NPT Conduit, Grey Delrin Head R 3/4” NPT Conduit, Grey Delrin Head W 1/2” NPT Conduit, White Polypropylene Head V 3/4” NPT Conduit, White Polypropylene Head Z 1/2” NPT Conduit, Explosion Proof Aluminum Head Y 3/4” NPT Conduit, Explosion Proof Aluminum Head Terminal Head Fitting Options Fitting Option Code Fitting Option Description 0 No Fitting N 1/8” NPT Compression, Brass P 1/8” NPT Compression, Stainless Steel R 1/4” NPT Compression, Brass S 1/4” NPT Compression, Stainless Steel V 1/2” NPT Compression, Stainless Steel Custom Options Available - Contact us for Engineering Assistance. RTD probe with Terminal Head Downloads Back to Top Temperature Sensors Catalog 01-28-15 (4MB) PDF Resistance Temperature Detector Catalog 1-28-15 (1.7MB) PDF Spec Sheet - Resistance Temperature Detector - Terminal Head 1-28-15 (250KB) PDF Temperature Sensor Element Selection Guide (175KB) PDF TEMPERATURE SENSORS Resistance Temperature Detectors General Purpose RTDs RTD with Lead Wire or Fixed Fitting RTD with Compression Fitting RTD with Fixed Bayonet RTD with Probe & Plug RTD probe with Terminal Head Adjustable Depth RTD Sensors Melt Bolt RTD Immersion RTD Surface Mount RTD Sanitary RTD Industrial RTDS Specialty RTDs Thermocouples Thermistors IC Sensors PRODUCTS Semiconductor Equipment Electric Heaters Process Heating Systems Temperature Sensors Temperature Controllers INDUSTRIES Semiconductor Processing Process Industries Plastics Processing Food Service Packaging Life Sciences Aerospace, Defense, Security Engines, Gen-Sets, Power Plants ABOUT US Why Choose Durex? 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