S81 ASHCROFT | Alldatasheet
Document overview
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Technical content
RTD Temperature probes with mineral insulation, available with optional connectors. Data Sheet ashcroft.com | 1.800.328.8258 | Contact Us All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2023 Ashcroft Inc. S81_RTD_ds_RevC_04-05-23 SPECIFICATIONS Sheath Stem Diameter: 1⁄8˝, 3⁄16˝, ¼˝, 3 mm, 4.5 mm, 6 mm, 8 mm Stem Length: Minimum: 50 mm/2 in Maximum: 3 m/120 in Sensor Type & Measuring Range RTDs Platinum 385 Curve Pt 100, -200 to 600 °C Pt 1000, -40 to 600 °C Wiring Configuration: RTDs (single or dual) 2-wire 3-wire 4-wire Accuracy Class RTDs (IEC 60751) Class A Class B Class AA KEY BENEFITS
- Flexible designs for critical applications
- Highly accurate and repeatable
DESCRIPTION
These probes may be supplied with either single or dual elements. The probe can be suplied with extension lead wire, process connection connectors. The lead wires can be PVC, silicone, PTFE or fiberglass insulation. TYPICAL USES n For chemical and petrochemical plants, refineries, utilities, pulp and paper, etc. n For a wide range of process: vapors, gases and liquids n Flexible configurations, heavy duty MgO n Special designs for intrinsically safe and non-incendive applications n Available with remote heads and flex armor S81 Thermocouple Options Probe with extension lead wire Connector Compression Fitting Protection Spring on lead wire Round Pin Inset OPTIONAL APPROVALS FM Intrinsically safe: Class I, Division 1, Groups A, B, C, D T4 for -55 °C ≤ Ta ≤ 80 °C T5 for -55 °C ≤ Ta ≤ 55 °C T6 for -55 °C ≤ Ta ≤ 40 °C FM Nonincedive: Class I, Division 2, Groups A, B, C, D T4 for -55 °C ≤ Ta ≤ 80 °C T5 for -55 °C ≤ Ta ≤ 55 °C T6 for -55 °C ≤ Ta ≤ 40 °C ATEX or IECEx: ATEX or IECEx II 1 G Ex ia IIC T6 Ga -50 °C to 60 °C II 2 G Ex ib IIC T6 Gb -50 °C to 60 °C II 2 G Ex e IIC T6 Gb -55 °C to 60 °C S81 RTD Temperature Probes of 5
RTD Temperature probes with mineral insulation, available with optional connectors. Data Sheet ashcroft.com | 1.800.328.8258 | Contact Us All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2023 Ashcroft Inc. S81_RTD_ds_RevC_04-05-23 OPTIONAL APPROVALS FM Intrinsically Safe: Class I, Division 1, Groups A, B, C, D T4 for -55 °C ≤ Ta ≤ 80 °C T5 for -55 °C ≤ Ta ≤ 55 °C T6 for -55 °C ≤ Ta ≤ 40 °C FM Non-Incendive: Class I, Division 2, Groups A, B, C, D T4 for -55 °C ≤ Ta ≤ 80 °C T5 for -55 °C ≤ Ta ≤ 55 °C T6 for -55 °C ≤ Ta ≤ 40 °C ATEX or IECEx: ATEX or IECEx II 1 G Ex ia IIC T6 Ga -50 °C to 60 °C II 2 G Ex ib IIC T6 Gb -50 °C to 60 °C II 2 G Ex e IIC T6 Gb -55 °C to 60 °C II 2 G Ex d IIC T6 Gb -55 °C to 60 °C BUZH-AL Type E BUZH-AL Type D DIN B Type B SCCA-AL Type N SCCI-Stainless Steel Type G PR 7501 with display Type P E&H Display Housing Type H Polypropylene Type A Cast Iron Type Y OPTIONAL S81 HEADS S81 RTD Temperature Probes of 5
RTD Temperature probes with mineral insulation, available with optional connectors. Data Sheet ashcroft.com | 1.800.328.8258 | Contact Us All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2023 Ashcroft Inc. S81_RTD_ds_RevC_04-05-23 Cont. on next pageORDERING CODE Example: S81 1 T 1 A A B A 7 2 Area Classification 1 - Standard -General Purpose 1 3 - Intrinsic Safety - ia B - Intrinsic Safety - ib E - Increased Safety N - Non-Incendive Sheath Diameter R - 1⁄8˝ Ø3.18 mm S - 3⁄16˝ Ø4.76 mm T - ¼˝ Ø6.35 mm T 3 - 3 mm 4 - 4.5 mm 6 - 6 mm 8 - 8 mm RTD Type 1 - Pt 100 1 2 - Ni 120 3 - Pt 1000 Accuracy or Class (IEC 60751) A - Class A A B - Class B C - ½ DIN D - Class AA - 1⁄3 DIN RTD Element/Range A - -50 to 400 °C A B - -200 to 600 °C D - Vibration-proof Electrical Circuit A - Single 2-wire B - Single 3-wire B C - Single 4-wire D - Dual 2-wire E - Dual 3-wire F - Dual 4-wire Sheath Material A - AISI 316/1.4404 A Wire Termination 7 - Stripped 7 8 - With flat pin 9 - With round pin F - With plug LEMO type FFA.1S P - With socket LEMO type PCA.1S D - With plug and socket LEMO on inset Connector Strain Relief - - Non-applicable (no connector) 1 - Crimp - Braze adapter (for use with flex armor and no wire options) 2 - Grommet - for regular wire option, with no flex armor 2 3 - Bracket - for regular wire option, with no flex armor S81 RTD Temperature Probes of 5
RTD Temperature probes with mineral insulation, available with optional connectors. Data Sheet ashcroft.com | 1.800.328.8258 | Contact Us All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2023 Ashcroft Inc. S81_RTD_ds_RevC_04-05-23 ORDERING CODE Example: (Continued ) B X X - M M C3 3 - 3P T LC=900 L=400 Remote Head Type - - Non-applicable (no remote head) G - SCCI Stainless steel N - SCCA Aluminum B - DIN B AluminumIN B Aluminum B D - BUZ Aluminum E - BUZH Aluminum P - PR 7501 (N/A with FM approval) Y - Cast iron (N/A with FM approval) A - Polypropylene (N/A with FM approval) H - E&H Housing (N/A with FM approval) Length Probe X - L=(min=50, max=10000) (add actual length in mm L=?? at the end of ordering code) X Length Cable X - Lc=(min=100, max=10000) (add actual length in mm LC=?? at the end of ordering code) X Flex Armor - - Without - 1 - With flex armor 2 - Flex armor with PVC jacket Lead Wire M - PVC M N - Silicon O - PTFE P - Fiberglass - - Without Lead Wire Options M - With protective spring on lead wire M N - Without protective spring on lead wire O - Electrically shielded, with protective spring P - Electrically shielded, without protective spring Q - With stainless steel braided cover, with protective spring R - With stainless steel braided cover, without protective spring - - Without Process Connection -- - Without connection C1 - Compression fitting ¼ NPT, AISI 316 C2 - Adjustable compression fitting with gland TFE ¼˝ AISI 316 C3 - Compression fitting ½ NPT, AISI 316 C3 C4 - Adjustable compression fitting with gland TFE ½˝ AISI 316 B1 - Non-adjustable compression fitting ¼ NPT, brass B2 - Adjustable compression fitting with gland TFE ¼˝ brass B3 - Non-adjustable compression fitting ½ NPT, brass B4 - Adjustable compression fitting with gland TFE ½˝ brass A1 - Compression fitting G ¼˝ AISI 316 A3 - Compression fitting G ½˝ AISI 316 Y1 - Adjustable spring loaded, double thread ½ NPT, AISI 316 3 3 Certifications - - None required - F - FM A - ATEX X - IECEx S - SIL 2 + ATEX I - INMETRO D - ATEX + IECEX 2 - SIL 2 P - EAC (Gost R) + Metrological Russia Calibration Report - - Without 3P - 3 points single 3P 5P - 5 points single 3D - 3 points dual 5D - 5 points dual Tagging - - Without T - Label in stainless steel with tag T Insertion length in mm Lead wire length in mm mm = inches x 25.4 S81 RTD Temperature Probes of 5
RTD Temperature probes with mineral insulation, available with optional connectors. Data Sheet ashcroft.com | 1.800.328.8258 | Contact Us All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Trust the Shield® are trademarks of Ashcroft Inc. For more information, see Ashcroft Brands & Trademarks ©2023 Ashcroft Inc. S81_RTD_ds_RevC_04-05-23 L 30 mm d DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings HOW TO ORDER S81 TEMPERATURE PROBES: The ordering code is built by selecting the appropriate configuration for the various sections of the ordering code. The insert nominal length L is measured from top of the cable transition piece or center of threads to the tip of the probe. The lead wire length LC is measured for the base of the lead wire transition piece to the end of the lead wire jacket. The L length and the LC length are added to the end of the ordering code in millimeters. To convert inches to millimeters multiply by 25.4. mm = inches x 25.4 Custom configurations are available. d = Stem diameter LC = Length lead wire L = Insertion length * 50 mm with FM approval S81 RTD Temperature Probes of 5