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The sensors listed below are sanitary-connected RTD temperature sensor assemblies designed to meet the stringent requirements of HTST pasteurization systems. HTST requirements are described in the Grade "A" Milk Pasteurization Ordinance. The sensors listed on this page have response times below four seconds and come standard in accuracies at 100 ºC [212 ºF] ± 0.5 ºC. The below listed assemblies are available in a variety of sanitary connections. All wetted parts are ground and polished to a finish that exceeds the No. 4 minimum finish required by the 3-A Sanitary Standards for Sensors and Sensor Fittings and Connections used on Milk and Milk Product Equipment Standard 74- .
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A FD02

Maximum Temperature

 N/A 392 ºF200 ºC

Standards

 N/A 3A-74 Sanitary Standards

Element Connection

 N/A Code 3 - 3-Wire Element Code 4 - 4-wire (Not available in duplex)

Typical Pasteurization Test Response Time

 N/A 2 to 3 sec
Pt100 (α = 0.003 85 ºC-1) Resistance Temperature Detector (RTD) Assemblies1 N/A Code R3T185L68R383 (Single) - Class AA Tolerance Code R3T285L68R383 (Duplex) - Class AA Tolerance Code R5T185L68R383 (Single) - (1/5) Class B Tolerance Code R5T285L68R383 (Duplex) - (1/5) Class B Tolerance

Note for Immersion Length "X"

 N/A Specify "X" length in inches using 2 digits, plus any fractional length desired. 2" minimum length is required. Examples: 04 = 4 in., 05(1/2) = 5.5 in.

Sanitary Cap Tube Outer Diameter (O.D)

 N/A Code 1 - 1(1/2) inCode 2 - 2 inCode 3 - 2 (1/2) inCode 4 - 3 inCode 5 - Other (specify) in

Sanitary Cap Size

 N/A Code 2 - 16A cap - Bevel Seat with 13-H Nut (Must be manually cleaned) 304SS Code 5 - 16 AMP cap - Tri-Clamp® 316SS Code 7 - 16AI-14I cap (Not 3-A authorized) 304SS Code 8 - Other (describe)

Application

 N/A Dairy Food Pharmaceutical

Termination

Terminations

 N/A Code 02 - 1/2" Outer Diameter (O.D), 2 1/4" long extension lead wire transition (requires table 5 & 6 selections from RTD section) Code 22 (06) - 6" individual fluoropolymer leads with terminal pins Code 31,W - Aluminum screw-cover head with white epoxy coating Code 35T- 642A - (4 to 20) mA HART® Field Transmitter aluminum general-purpose housing Code 36T82- D10 - (4 to 20) mA dual input HART® transmitter with digital display and general-purpose aluminum housing with glass lid Code 37T- 662A - (4 to 20) mA HART® Field Transmitter with general-purpose aluminum housing Code 63 - White polypropylene screw-cover head Code 91 - 316L stainless steel screw-cover head

Head Options

 N/A Code HS - Wire seal security screws Code I - Stainless steel tags Code T-440 - (4 to 20) mA head-mounted Resistance Temperature Detectors (RTD) transmitter Code T-441 - (4 to 20) mA isolated head-mounted transmitter Code T-442 - (4 to 20) mA isolated HART® head-mounted transmitter Code T82-00 - (4 to 20) mA dual input HART® head-mounted transmitter

Additional Information

Additional Information

 N/A Assemblies are supplied with a surface finish that meets or exceeds 32µin Ra Surface finishes of 15µin Ra or better are available upon request. The three-wire constructed sensor assembly consists of a high accuracy platinum element sealed inside a 316 stainless steel sheath and a white FDA compliant polypropylene connection head. The complete assembly provides excellent wash down protection. It is recommended that once customer connections are made, the connecting terminals be further protected by applying a coating of moisture-proof sealant over the connections.

Note

Note

 N/A Tri-Clamp® is a registered trademark of Alfa Laval, Inc.

HART® is a registered trademark of HART® Communication Foundation.
  • 1 Refer to Resistance Temperature Detectors (RTD) tolerance information in the General Information section for calculations to determine specific tolerance at temperature