Pfeiffer Vacuum TPR 270 Operating Instructions Manual
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Summary of Contents for Pfeiffer Vacuum TPR 270
- Page 1 OPERATING INSTRUCTIONS Translation of the Original TPR 270 ∣ TPR 271 Pulse-Pirani gauge...
- Page 2 Dear Customer, Thank you for choosing a Pfeiffer Vacuum product. Your new gauge is designed to support you in your individual application with maximum performance and without malfunctions. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete range of top-quality products and first-class service.
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Page 3: Table Of Contents
Table of contents Table of contents About this manual Validity 1.1.1 Applicable documents 1.1.2 Variants Target group Conventions 1.3.1 Instructions in the text 1.3.2 Pictographs 1.3.3 Stickers on the product 1.3.4 Abbreviations Trademark proof Safety General safety information Safety instructions Safety precautions Limits of use of product Proper use... - Page 4 Table of contents 13.2.1Technical data, TPR 270 13.2.2Technical data, TPR 271 13.3 Dimensions EC Declaration of Conformity UK Declaration of Conformity 4/40...
- Page 5 Correction factors for the pressure range < 1 hPa Tbl. 10: Malfunctions Tbl. 11: Conversion table: Pressure units Tbl. 12: Conversion table: Units for gas throughput Tbl. 13: Technical data, TPR 270 Tbl. 14: Technical data, TPR 270, continuation Tbl. 15: Technical data, TPR 271 5/40...
- Page 6 Fig. 2: Establishing vacuum connection Fig. 3: Measurement cable and Hirschmann cable socket Fig. 4: Relationship between measuring signal and pressure for TPR 270 gauges Fig. 5: Relationship between measuring signal and pressure for TPR 271 gauges Fig. 6: Displayed pressure Fig.
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Page 7: About This Manual
Variants TPR 271 You can find the part number on the rating plate of the product. Pfeiffer Vacuum reserves the right to make technical changes without prior notification. Information that relates to only one of the products is indicated accordingly. -
Page 8: Target Group
About this manual 1.2 Target group These operating instructions are aimed at all persons performing the following activities on the product: ● Transportation ● Setup (Installation) ● Usage and operation ● Decommissioning ● Maintenance and cleaning ● Storage or disposal The work described in this document is only permitted to be performed by persons with the appropriate technical qualifications (expert personnel) or who have received the relevant training from Pfeiffer Vac- uum. -
Page 9: Abbreviations
About this manual 1.3.4 Abbreviations Abbreviation Explanation Atmosphere Constant for converting measuring signal and pressure Correction factor for calculating the pressure of gases other than air High vacuum Mean sea level Pressure Measuring signal [V] (output voltage) Tbl. 4: Abbreviations used 1.4 Trademark proof ●... -
Page 10: Safety
Safety instructions according to product life stages All safety instructions in this document are based on the results of a risk assessment. Pfeiffer Vacuum has taken into account all the relevant life stages of the product. Risks during installation DANGER Danger to life due to dangerous contact voltage Voltages above 30 V (AC) or 60 V (DC) are considered dangerous in accordance with EN 61010. - Page 11 ► Only operate the unit in a dry environment. ► Operate the unit away from fluids and sources of moisture. ► Do not switch on the unit if fluid has entered it. Instead contact Pfeiffer Vacuum Service. ► Always disconnect the power supply before cleaning the unit.
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Page 12: Safety Precautions
Safety Risks when shipping WARNING Risk of poisoning from contaminated products Where products that contain harmful substances are shipped for maintenance or repair purposes, the health and safety of service personnel is at risk. ► Comply with the instructions for safe distribution. Risks during disposal WARNING Health hazard through poisoning from toxic contaminated components or devices... -
Page 13: Limits Of Use Of Product
Use the product according to its intended purpose ► Operate the gauge with a Pfeiffer Vacuum total pressure measuring and control unit or with an evaluation unit provided by the customer. -
Page 14: Product Description
3 Product description 3.1 Function The TPR 270 and TPR 271 gauges have a Pirani temperature-compensated sensor. This Pirani sensor uses the heat conductivity of gases for vacuum measurement. The gauge heats a thin tungsten or plati- num/rhodium wire in cycles to a specific temperature. The time required for the heat-up process is a measure for the pressure. -
Page 15: Transport And Storage
Transport and storage 4 Transport and storage 4.1 Transporting the product NOTICE Damage caused by incorrect transport Transport in unsuitable packaging or failure to install all transport locks can result in damage to the product. ► Comply with the instructions for safe transport. Packing We recommend keeping the transport packaging and original protective cover. -
Page 16: Installation
Installation 5 Installation 5.1 Establishing vacuum connection DANGER Risk to life due to electric shock An improperly earthed product is potentially fatal in the event of a fault. ► Connect the product galvanically with the earthed vacuum chamber. ► Ensure that the connection complies with the requirements of a protective bonding according to EN 61010. -
Page 17: Establishing Electric Connection
● Requirements of the earthed protective extra-low voltage (PELV) ● Limited power source (LPS) Class 2 ► Secure the line to the product. – Pfeiffer Vacuum measuring and control equipment complies with this requirement. NOTICE Damage sustained as a result of improper connection Improper connection, incorrect polarity or impermissible supply voltage will damage the gauge. -
Page 18: Measurement Cable And Hirschmann Cable Socket
2. Tighten the locking screw on the Hirschmann cable socket. – Tightening torque: ≤ 0.2 Nm 3. Connect the gauge to a Pfeiffer Vacuum total pressure measuring and control unit, or to an evalu- ation unit provided by the customer. -
Page 19: Operation
–02 –03 –04 –05 0.0 0.5 1.0 1.5 10.0 10.3 U[V] Fig. 4: Relationship between measuring signal and pressure for TPR 270 gauges p Pressure Measuring signal [V] (output voltage) Torr –01 –02 –03 –04 –05 0.0 0.5 1.0 1.5 10.0... -
Page 20: Tbl. 6: Constants For Converting Measuring Signal And Pressure
1.0 × 10 1.0 × 10 1.0 × 10 1.0 × 10 1.0 × 10 8.5 – 10.3 Overrange Tbl. 7: Conversion table TPR 270 Measuring signal (U) Pressure (p) [hPa] < 0.5 Sensor error 0.5 – 2.2 Underrange 5.0 × 10 1.0 ×... -
Page 21: Determining Effective Pressure With Correction Factors
Operation ► Observe the constants for converting the measuring signal and pressure. ► Convert the measuring signal into pressure: (U-c) p = 10 ► Convert the pressure into the measuring signal: U = c + log 6.2 Determining effective pressure with correction factors The measuring signal is gas type-dependent. -
Page 22: Tbl. 9: Correction Factors For The Pressure Range < 1 Hpa
Operation Gas type Calibration factor (C) Neon (Ne) Argon (Ar) Krypton (Kr) Xenon (Xe) Freon 12 The correction factors provided are mean values. Tbl. 9: Correction factors for the pressure range < 1 hPa Entering correction factor in total pressure measuring and control unit ►... -
Page 23: Disassembly
Disassembly 7 Disassembly DANGER Risk to life due to electric shock An improperly earthed product is potentially fatal in the event of a fault. ► Connect the product galvanically with the earthed vacuum chamber. ► Ensure that the connection complies with the requirements of a protective bonding according to EN 61010. -
Page 24: Removing Gauge
Disassembly Fig. 7: Removing gauge 1 Seal with centering ring Seal with centering ring and filter 2 Gauge Tensioning piece 3 Protective cap Measurement cable Disassembling the gauge 1. Loosen the locking screw of the Hirschmann cable socket on the gauge. 2. -
Page 25: Maintenance
► Only operate the unit in a dry environment. ► Operate the unit away from fluids and sources of moisture. ► Do not switch on the unit if fluid has entered it. Instead contact Pfeiffer Vacuum Service. ► Always disconnect the power supply before cleaning the unit. -
Page 26: Calibrating Gauge
► Operate the device away from fluids and humidity sources. ► Take special precautions if there is a risk of dripping water. ► Do not switch on the device if fluid has penetrated into it, instead contact the Pfeiffer Vacuum Service Center. -
Page 27: Button For Calibration
2. Operate the gauge at this pressure for approx. 5 to 10 minutes. 3. Press the “HV” button briefly using a pin. – The gauge calibrates to “ur” (underrange). ● TPR 270: < 1.5 V ● TPR 271: < 2.2 V ATM calibration 1. -
Page 28: Malfunctions
Malfunctions 9 Malfunctions Warranty Malfunctioning of the equipment as a direct result of contamination or wear, as well as wear parts (e.g. ignition aid) is not covered by the warranty. Malfunction Possible cause Remedy Continuous measuring signal < 0.5 V No power supply ●... -
Page 29: Shipping
► Comply with the instructions for safe distribution. Decontamination subject to charge Pfeiffer Vacuum decontaminates products not clearly declared "Free of contamination" at your expense. Ship product safely ► Do not ship microbiological, explosive or radioactively contaminated products. -
Page 30: Recycling And Disposal
11.1 General disposal information Pfeiffer Vacuum products contain materials that you must recycle. ► Dispose of our products according to the following: – Iron –... -
Page 31: Accessories
ActiveLine on our website. 12.1 Accessory information Measurement cable Measurement cable in different lengths for connecting to a Pfeiffer Vacuum total pressure measuring and control unit Line connector (Hirschmann plug) Cable socket for fabrication of the application-specific connecting cable... -
Page 32: Technical Data And Dimensions
1.32 1.01 0.101 59.8 0.76 atm cm Tbl. 12: Conversion table: Units for gas throughput 13.2 Technical data 13.2.1 Technical data, TPR 270 Part number PT R26 770 PT R26 780 PT R26 781 Type designation TPR 270 TPR 270 TPR 270... - Page 33 1.4307, Tungsten, Nickel Nickel Nickel Flange, material Stainless steel Stainless steel Stainless steel Seal Metal Metal Metal Feedthrough Glass Glass Glass Protection degree IP40 IP40 IP40 Weight 160 g 130 g 148 g Tbl. 14: Technical data, TPR 270, continuation 33/40...
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Page 34: 2Technical Data, Tpr 271
Technical data and dimensions 13.2.2 Technical data, TPR 271 Part number PT R26 775 PT R26 776 PT R26 795 PT R26 796 Type designation TPR 271 TPR 271 TPR 271 TPR 271 Nominal diameter DN 16 ISO-KF DN 16 CF-F DN 16 ISO-KF DN 16 CF-F Mounting orientation... -
Page 35: Dimensions
Technical data and dimensions 13.3 Dimensions Ø 32 Ø 32 Ø 30 DN 16 ISO-KF Ø 34 DN 16 CF-F Ø 32 Ø 32 Ø 14 1/8’’ NPT 8 VCR Fig. 10: Standard housing for bakeout temperature of 80 °C at the flange Dimensions in mm 35/40... - Page 36 Technical data and dimensions Ø 32 Ø 32 Ø 34 Ø 30 DN 16 ISO-KF DN 16 CF-F Fig. 11: Extended housing for bakeout temperature of 250 °C at the flange Dimensions in mm 36/40...
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Page 37: Ec Declaration Of Conformity
This declaration of conformity has been issued under the sole responsibility of the manufac- turer. Declaration for product(s) of the type: Pulse-Pirani gauge TPR 270 TPR 271 We hereby declare that the listed product satisfies all relevant provisions of the following European Directives. -
Page 38: Declaration Of Conformity
EN IEC 61326-1:2021 EN IEC 63000:2018 The manufacturer's authorized representative in the United Kingdom and the authorized agent for compiling the technical documentation is Pfeiffer Vacuum Ltd, 16 Plover Close, In- terchange Park, MK169PS Newport Pagnell. Signature: Pfeiffer Vacuum GmbH Berliner Straße 43... - Page 39 39/40...
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