RTD TH17 and TH18. Technical Information. Sanitary RTD temperature assembly with connection head

Transcription

1 Technical Information RTD TH17 and TH18 Sanitary RTD temperature assembly with connection head Areas of application The TH17 and TH18 sanitary temperature sensors are RTD s designed for use in dairy, food & beverage, pharmaceutical and bio-technology plants. Temperature dryers in food processes Pasteurization Heat exchangers Material storage tanks Cheese vats Brewhouse / cellar Cookers / freezers Dehydrator Fermentor / bio-reactor control CIP/SIP systems Head transmitters Instead of directly wiring your temperature sensors to your control system, use transmitters to reduce wiring and maintenance costs while increasing measurement accuracy. our benefits Sensor assemblies TH17 & TH18 meet 3-A sanitary standards Sensor assemblies TH18 are based on ASME, BPE 2002 Standard for Bio-Pharma equipment Sensor assemblies TH17 meet PMO requirements by US FDA for dairies One source shopping for temperature measurement solutions. World class transmitter with integrated sensor offering. Remove and install straight out of the box! Improved galvanic isolation on most devices (2 kv) Simplified model structure: Competitively priced, offers great value. Easy to order and reorder. A single model number includes sensor and transmitter assembly for a complete point solution All itemp transmitters provide long term stability 0.05 % per year TI109R/24/ae

2 Function and system design Measuring principle The RTD (Resistance Temperature Detector) element consists of an electrical resistance with value of 100 Ω at 0 C (called Pt100, in compliance with IEC 60751), which increases at higher temperatures according to a coefficient characteristic of resistor material (platinum). In industrial thermometers that comply with the IEC standard, the value of this coefficient is α = C -1, calculated between 0 and 100 C (32 and 212 F). Measuring system Example of an application of the temperature assemblies Memo-Graph S, RSG12 Visual Data Manager with built in power supply. It plots the signals, monitors limits, analyzes measurement points, stores the data internally, and archives them. It can be used in compliance to the US FDA requirements in 21 CFR part 11. The Memo-Graph S "Safety Data Manager" is the compact and powerful solution in safety relevant applications due to the fact that data is securely recorded. By using the "Audit trail" process, sequences can be verified. For details see documentation Technical Information (see "Documentation"). RIA261 Field Display The display measures an analog measurement signal and indicates this on the display. The display is connected in a 4 to 20 ma current loop and also derives its supply from the loop. The volt drop is almost negligible (< 2.5 V). The dynamic internal resistance (load) ensures that independently from the loop current, the maximum volt drop is never exceeded. The analog signal at the input is digitized, analyzed, and shown in the rear illuminated display. For details see documentation Technical Information (see "Documentation"). Equipment architecture Measurement range The single element RTDs are designed to measure temperature in Food, Dairy and Pharmaceutical applications. These RTDs are specifically designed for very short response time. The clean in place sanitary assemblies TH17 & TH18 with thin film RTDs -58 to 392 F (-50 to 200 C) are constructed using silver plated and copper internal leads, PTFE wire insulations with potting compounds to resist moisture penetration. -58 to 392 F (-50 to 200 C) 2 Endress+Hauser

3 Electronics Family of temperature transmitters PC programmable devices TMT 180 and TMT 181 HART device TMT 182 Field transmitter TMT 162! Note! RTD assemblies with itemp transmitters are an installation ready solution to improve the functionality of temperature measurement by increasing accuracy and reliability when compared to direct wired sensors. Overall installation costs are lower than with direct wired sensors, since an inexpensive pair of signal (4 to 20 ma) wires can be run over long distances. PC programmable devices offer you extreme flexibility and help control costs with the ability to stock one device and program it for your needs. Regardless of your choice of output, all itemp transmitters can be configured quickly and easily with a PC. To help you with this task, Endress+Hauser offers free software ReadWin 2000 which can be downloaded from our website. Go to to download ReadWin 2000 today. HART communication is all about easy, reliable data access and getting better information more inexpensively. itemp transmitters integrate seamlessly into your existing control system and provide painless access to preventative diagnostic information. Configuration with a DXR 275 or 375 hand-held or a PC with configuration program (Commuwin II, ReadWin 2000) or configure with AMS or PDM. Field transmitter with HART communication and blue backlit display. Can be read easily from a distance, in sunlight and at night. Large measurement value, bargraph and fault indication displayed. Benefits are: dual sensor input, highest reliability in harsh industrial environments, mathematic functions, thermometer drift monitoring and sensor back-up functionality, corrosion detection. TMT162 sensor assemblies are only available with TH17 RTD s. Performance characteristics Response time 63% response time per ASTM E644 Model Tube diameter 1/4" OD, 316L Tube diameter 3/8" OD reduced 3/16" OD, 316L Tube diameter 5/32" OD, 316L TH17 4 s 3 s - TH s! Note! Response Time for the sensor assembly without Transmitter PMO* Version, Grade "A" TH17- F _ (B/C/D/E) 3 *PMO - Pasteurized Milk Ordinance The response time of the versions in the table above complies to Grade "A" by US FDA; use TH17 with 3/16" (reduced tip - option "F"). All units are tested, E+H record the sensor reponse time in the lid of the RTD connection head to help the end user pass inspections. Endress+Hauser 3

4 Maximum measured error Class A tolerance as per IEC 60751, at operating temperature range of -50 to 200 C (-58 to 392 F). Class max. Tolerance A ± ( t 1) ) 1) t = absolute value C Measurement accuracy! Note! For measurement errors in F, calculate using equation above in C, then multiply the outcome by 1.8. Transmitter TMT 180 Pt100 PCP TMT 181 multifunctional PCP TMT 182 HART 0.36 F (0.2 C) or 0.08% 1) 0.36 F (0.2 C) or 0.08% 1) 0.36 F (0.2 C) or 0.08% 1) 1) % is related to the adjusted measurement range (the larger value applies) Transmitter long-term stability 0.18 F / year ( 0.1 C / year) or 0.05% / year Data under reference conditions; % is related to the set span. The larger value applies. Insulation resistance Insulation resistance between terminals and probe sheath, test voltage 250 V. 100 MΩ at 77 F (25 C) 10 MΩ at 572 F (300 C) Self heating Sensor current RTD elements are not self-powered and require a small current be passed through the device to provide a voltage that can be measured. Self-heating is the rise of temperature within the element itself, caused by the current flowing through the element. This self-heating appears as a measurement error and is affected by the thermal conductivity and velocity of the process being measured; it is negligible when an Endress+Hauser itemp temperature transmitter is connected. Sensor current of Endress+Hauser itemp transmitters Transmitter type TMT 180 & TMT 181 PCP TMT 182 HART TMT 162 HART Field transmitter Sensor 0.6 ma 0.2 ma 0.3 ma Galvanic isolation Galvanic isolation of Endress+Hauser itemp transmitters (input/output) Transmitter type TMT 181 PCP TMT 182 HART TMT 162 HART Field transmitter Sensor Û = 3.75 kv AC Û = 2 kv AC Û = 2 kv AC 4 Endress+Hauser

5 Wiring Wiring diagrams Type of sensor connection TH17 and TH18 Head transmitter mounted Terminal block mounted T09-TH1112xx-04-xx-XX-ae-000 T09-TH1112xx-04-xx-XX-ae-001! Note! The blocks and transmitters are shown as they sit inside the heads in reference to the conduit opening. Wire specifications 24AWG, 19 strand silver plated copper with PTFE extruded outer, 5/32 OD sensors (TH18) have 28AWG seven strand wires with the same extrusion. Installation conditions Orientation No restrictions for installation orientation. Installation instructions Installation examples a: At angle sections, against the direction of flow b: Perpendicular to the direction of flow T09-TH1112xx-11-xx-xx-ae-000 Endress+Hauser 5

6 Immersion Minimum immersion per ASTM E644, T 0.09 F (0.05 C) Version Minimum Immersion (Inch) TH17 1¼ " TH18 ¾ " Environmental conditions Ambient temperature Housing without head-mounted transmitter Aluminum pressure die-cast housing -40 to 302 F (-40 to 150 ºC) Plastic housing -40 to 185 F (-40 to 85 C) Housing with head-mounted transmitter -40 to 185 F (-40 to 85 C) Shock and vibration resistance 4g / 2 to 150 Hz as per IEC Design, dimensions Mechanical construction For values related to this graphic please refer to the table below. T09-TH1112xx-06-xx-xx-ae-000 Dimensions in inches: Insertion length "L" TH17 2", 4", 6" specified length 2" to 30" in ½" increments TH18 ¾", 1¼", 2¾" specified length 1" to 15" in ½" increments Weight From 1 to 5.5 lbs 6 Endress+Hauser

7 Material Material: wetted parts 316L SS. Surface finish TH17 TH17 sensors are intended for use in food processing systems. The wetted surfaces of the sensors and sanitary fittings are mechanically polished to achieve a 32 micro-inch maximum surface finish, in accordance with "3-A Sanitary Standards for Sensors and Sensor Fittings and Connections used on Milk and Milk Products Equipment, Number 74-02". Minimal material has been removed to achieve the indicated surface finish. Residual polishing compounds are removed after polishing operations are completed on all surfaces and sanitary end fittings. The end fitting material and sensor sheath are both composed of 316L stainless steel. Surface finish TH18 TH18 sensors are intended for use in food and pharmaceutical processing systems. The wetted surfaces of the sensors and sanitary fittings are mechanically polished to achieve a 20 micro-inch maximum surface finish, in accordance with "ASME BPE-2002, Bioprocessing Equipment". Minimal material has been removed to achieve the indicated surface finish. Residual polishing compounds are removed after polishing operations are completed on all surfaces and sanitary end fittings. The end fitting material and sensor sheath are both composed of 316L stainless steel. Packaging Sanitary sensors and fittings are individually bagged and sealed to ensure cleanliness upon delivery to the final customer. System components Housing Type of housing (dimensions in inches [mm]) Connection head Aluminium Specification Material: Die-cast Aluminum head Sensor connection: ½" NPT Female Cable entry: ½" NPT or ¾" NPT Female. ½" NPT has got Al reducer bushing Body paint: Spray SPU, RAL5012 Cover paint: Spray SPU, RAL7035 Coating thread (body-cover), lubricant acc. E+H standard, MgO coating; benefits include ease of opening/closing cover and improved thread engagement. Improves lifetime of the connection head. Degree of protection NEMA 4x (IP 66/68) T09-TH11xxxx-06-xx-xx-ae-001 Connection head plastic Polyprolylene, FDA compliant Sensor connection: ½" NPT Female Cable entry: ½" NPT or ¾" NPT Female. ½" NPT with nylon reducer bushing (FDA compliant) Degree of protection NEMA 4x T09-TH11xxxx-06-xx-xx-ae-000 Endress+Hauser 7

8 Type of housing (dimensions in inches [mm]) SMART Temperature field transmitter itemp HART TMT 162 Specification Material: Die-cast aluminium housing AlSi10Mg with powder coating on polyester base or stainless steel AISI 316L SS Separate electronics compartment and connection compartment Display rotatable in 90 increments Cable entry: 2 x ½" NPT or others Degree of protection NEMA 4x (IP 67) Brilliant blue backlit display with ease of visibility in bright sunshine or pitch darkness Gold plated terminals to avoid corrosion and additional measurement errors Details see Technical information (see 'Documentation') T09-TMT162ZZ xx-ae-002 Head transmitter Type of transmitter (dimensions in inches [mm]) itemp TMT 180, 181 and 182 Specification Material Housing: PC Potting: PUR Terminals: Cable up to max. 16 AWG (secure screws) Degree of protection NEMA 4 (see type of connection head) Details see Technical Information (see Documentation ) R09-TMT182ZZ xx-ae-002 Certificates and approvals CE Mark Other standards and guidelines UL The itemp Series of temperature transmitters complies with the legal requirements laid out within the EU regulations. IEC 60529: Degrees of protection by housing (IP-Code). IEC 61010: Safety requirements for electrical measurement, control and laboratory instrumentation. IEC Industrial platinum resistance thermometer ASTM E644: American society for testing and materials, standard test methods for testing industrial resistance thermometers. PMO: Pasteurized Milk Ordinance 2001 Revision, U.S. Food and Drug Administration, Center for Food Safety & Applied Nutrition BPE: Bioprocessing Equipment, ASME - BPE Standard NEMA - ANSI / NEMA 250 Standardization association for the electrical industry. Temperature transmitters are recognized components to UL (itemp Series). 3-A A sanitary standard for Sensors, Connections and Sensor Fittings used in Milk and Milk Products Equipment, Number Endress+Hauser

9 Ordering information Product structure, RTD assembly TH17 TH17- TH17- RTD Assembly, TH17 Process connection; Material (32 µinch surface finish): B C D E 1+1 1/2 inch Tri-clamp connection; 316L SS 2 inch Tri-clamp connection; 316L SS 2 1/2 inch Tri-clamp connection; 316L SS 3 inch Tri-clamp connection; 316L SS Special Immersion length X, 2-30 inch: 1 2 inch 2 4 inch 3 6 inch 8... inch to spec inch special Tube OD diameter; Material (32 µinch surface finish): C 1/4 inch OD; 316L SS F 3/8 inch OD reduced 3/16 inch OD; 316L SS Other Type Sensor IEC 60751; Class; Connection: C G 1x Pt100; A; 3 wire low C 1x Pt100; A; 4 wire low C Special Connection head: A B C D E None, TMT162 assembly E+H blue Al + cover, 1/2NPT cable entry E+H blue Al + cover, 3/4NPT cable entry Plastic PP white 1/2NPT cable entry Plastic PP white 3/4NPT cable entry Special Electrical connection: A Programmable RTD TMT180 C Programmable TMT181 Non Ex D Programmable TMT181 FM IS E Programmable TMT181 CSA IS P HART TMT182 Non Ex R HART TMT182 FM IS T HART TMT182 CSA IS Special 2 Flying leads 3 Terminal block Documentation requirement: 1 Standard 9 Other Test, calibration: A None Other Model: K Standard model, North American region Other Additional option: 1 None 9 Special Order code (complete) Endress+Hauser 9

10 Product structure, RTD assembly TH18 TH18- TH18- RTD Assembly, TH18 Process connection (20 µinch surface finish): A 1/2" + 3/4" Tri-clamp connection; 316L SS Special Immersion length X (1" - 15"): 2 ¾ inch 4 1¼ inch 6 2¾ inch 8... inch to spec inch special Tube OD diameter; Material (20 µinch surface finish): 1 5/32 inch OD; 316L SS 9 Special Type Sensor IEC 60751; Class; Connection: C G 1x Pt100; A; 3 wire low C 1x Pt100; A; 4 wire low C Special Connection head: B C D E E+H blue Al + cover, 1/2NPT cable entry E+H blue Al + cover, 3/4NPT cable entry Plastic PP white 1/2NPT cable entry Plastic PP white 3/4NPT cable entry Special Electrical connection: A Programmable RTD TMT180 C Programmable TMT181 NON Ex D Programmable TMT181 FM IS E Programmable TMT181 CSA IS P HART TMT182 NON Ex R HART TMT182 FM IS T HART TMT182 CSA IS Special 2 Flying leads 3 Terminal block Documentation requirement: 1 Standard 9 Other Test, calibration: A None Other Model: K Standard model, North American region Other Additional option: 1 None 9 Special Order code (complete) 10 Endress+Hauser

11 Documentation Short operating manual TH17 RTD temperature assemblies for Food & dairy applications (KA 180r/24/ae) Short operating manual TH18 RTD temperature assemblies for pharmaceutical applications (KA 181r/24/ae) Technical information SMART Temperature field transmitter itemp HART TMT162 (TI 086r/24/ae) Technical information Temperature head transmitter itemp Pt TMT 180 (TI 088r/24/ae) Technical information Temperature head transmitter itemp PCP TMT 181 (TI 070r/24/ae) Technical information Temperature head transmitter itemp HART TMT 182 (TI 078r/24/ae) Application example: Technical information Safety Data Manager Memograph S (TI 094r/24/ae) Technical information Process display RIA 261 (TI 083r/24/ae) Endress+Hauser 11

12 TI109R/24/ae/09.04 FM+SGML 6.0 ProMoDo TH17, TH18