Related Manuals for Pfeiffer Vacuum TTR 91
Summary of Contents for Pfeiffer Vacuum TTR 91
- Page 1 OPERATING INSTRUCTIONS Translation of the Original TTR 91 ∣ TTR 91 S ∣ TTR 96 S 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.
-
Page 3: Table Of Contents
Foreseeable improper use Responsibilities and warranty Owner requirements Personnel qualification 2.9.1 Ensuring personnel qualification 2.9.2 Personnel qualification for maintenance and repair 2.9.3 Advanced training with Pfeiffer Vacuum 2.10 Operator requirements Product description Function Status display Switching functions Identifying the product... - Page 4 Table of contents 10.1 General disposal information 10.2 Dispose of gauges Service solutions by Pfeiffer Vacuum Spare parts Accessories 13.1 Accessory information 13.2 Ordering accessories Technical data and dimensions 14.1 General 14.2 Technical data 14.3 Dimensions EC Declaration of Conformity...
- Page 5 List of tables List of tables Tbl. 1: Applicable documents Tbl. 2: Variants Tbl. 3: Abbreviations used Tbl. 4: Permissible ambient conditions Tbl. 5: LED "SP1" and "SP2" Tbl. 6: Constants for converting measuring signal and pressure Tbl. 7: Correction factor for pressure range < 1 hPa Tbl.
- Page 6 List of figures List of figures Fig. 1: Illuminating diodes Fig. 2: Relay contacts dependent upon the switch-points Fig. 3: Establishing vacuum connection Fig. 4: Electronic unit Fig. 5: Connection diagram Fig. 6: Measurement cable FCC-68, 8-pin Fig. 7: Relation between measuring signal and pressure Fig.
-
Page 7: About This Manual
1.1.1 Applicable documents Designation Document BG 5037 Brief guide “Pirani gauge” TTR 91 ∣ TTR 91 S ∣ TTR 96 S CenterOne | CenterTwo | CenterThree "Total Pressure Measuring and BG 5044 Control Unit" Declaration of conformity... -
Page 8: Conventions
About this manual 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. 1.3 Conventions 1.3.1 Instructions in the text Usage instructions in the document follow a general structure that is complete in itself. -
Page 9: Trademark Proof
RJ-45 Standardized plug-and-socket connection for telecommunication cabling (registered jack) Switch-point Width Across Flats Measuring signal [V] (output voltage) Trademark of the Swagelok Company Tbl. 3: Abbreviations used 1.4 Trademark proof ● CenterLine ® is a trademark of Pfeiffer Vacuum GmbH. 9/46... -
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.
-
Page 12: Safety Precautions
Safety WARNING Health hazard through poisoning from toxic contaminated components or devices Toxic process media result in contamination of devices or parts of them. During maintenance work, there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub- stances causes environmental damage. -
Page 13: Limits Of Use Of Product
1000 hPa. 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. ► Install, operate and maintain the gauge exclusively as prescribed in these operating instructions. -
Page 14: Responsibilities And Warranty
Safety 2.7 Responsibilities and warranty Pfeiffer Vacuum shall assume no responsibilities and warranty if the operating company or a third party: ● disregards this document ● does not use the product for its intended purpose ● carries out any modifications to the product (conversions, changes, etc.) that are not listed in the corresponding product documentation ●... -
Page 15: Personnel Qualification For Maintenance And Repair
─ Customer with Pfeiffer Vacuum service training ─ Pfeiffer Vacuum service technician 2.9.3 Advanced training with Pfeiffer Vacuum For optimal and trouble-free use of this product, Pfeiffer Vacuum offers a comprehensive range of courses and technical trainings. For more information, please contact Pfeiffer Vacuum technical training. -
Page 16: Product Description
Product description 3 Product description 3.1 Function The gauge is equipped with a Pirani measuring system. The measuring signal is logarithmically dependent on the pressure across the entire measuring range. 3.2 Status display Fig. 1: Illuminating diodes 1 LED "switch-point 1" (SP1) LED "switch-point 2" (SP2) Condition Meaning Relay open... -
Page 17: Identifying The Product
You will need all the data from the rating plate to safely identify the product when communicating with Pfeiffer Vacuum. ► To ensure clear identification of the product when communicating with Pfeiffer Vacuum, always keep all of the information on the rating plate to hand. -
Page 18: 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 19: 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 20: Electronic Unit
1. Remove the protective cap and store in a safe place. 2. Assemble the gauge with vacuum components from the Pfeiffer Vacuum Components Shop the vacuum system. 3. If it was previously necessary to remove the electronic unit of the gauge, assemble the electronic unit once again. -
Page 21: 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 22: Measurement Cable Fcc-68, 8-Pin
● RJ-45 plug Establishing electric connection ► Connect the measurement cable to the gauge. ► Connect the gauge to a Pfeiffer Vacuum total pressure measuring and control unit or an evalua- tion unit provided by the customer. Switching functions <SP1> <SP2>... - Page 23 Installation Manufacturing measurement cable Additional information regarding the measurement cable type and conductor cross-sections can be ob- tained from the technical data. 1. Observe the following steps to ensure optimum signal quality, whereby ground loops, differences in potential or EMC will influence the measuring signal. 2.
-
Page 24: Operation
Operation 6 Operation Once the supply voltage has been established, the measuring signal is available at the electrical con- nection between pins 3 and 5. Recommendations ► Respect the minimum stabilization period of 10 minutes. ► Respect the relation between measuring signal and pressure. ►... -
Page 25: Determining Effective Pressure With Correction Factors
Operation ► Observe the constants for converting measuring signal and pressure. ► Convert measuring signal into pressure: ((U - c) / 1.286) p = 10 ► Convert pressure into measuring signal: U = c + 1.286 × log 6.2 Determining effective pressure with correction factors The measuring signal is gas type-dependent. -
Page 26: Setting The Threshold Values
Operation Gas type Correction factor (C) Neon (Ne) Argon (Ar) Krypton (Kr) Xenon (Xe) Dichlorodifluoromethane (CCl , R12) The correction factors provided are mean values. Tbl. 7: Correction factor for pressure range < 1 hPa Entering correction factor in total pressure measuring and control unit ►... - Page 27 Operation Procedure 1. Press the "SP1" or "SP2" button using a stylus and keep it pressed. – The gauge changes to switching function mode and displays the current threshold value for 5 seconds at the measuring signal output. After 5 seconds, the threshold value setting shifts to- wards the upper setting limit.
-
Page 28: 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 29: Disassembling The Gauge
Disassembly Fig. 10: Disassembling the gauge Tensioning piece Seal with centering ring and filter 2a Seal with centering ring Protective cap Disassembling the gauge 1. Disconnect the measurement cable from the gauge. 2. Remove the gauge from the vacuum system. 3. -
Page 30: 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 31: Calibrating The Gauge
► Operate the unit away from fluids and sources of moisture. ► Take special precautions if there is a risk of dripping water. ► Do not switch on the unit if fluid has penetrated into it, instead contact the Pfeiffer Vacuum Serv- ice Center. -
Page 32: Replacing The Measuring System
Maintenance Performing an HV calibration 1. Put the gauge into operation. 2. Evacuate the vacuum system to a pressure of << 10 hPa (recommended) for a calibration to standard values, or to a pressure between 10 and 10 hPa for a calibration to a specific pressure value. -
Page 33: Replacing The Measuring System
Maintenance Fig. 12: Replacing the measuring system 1 Measurement system Electronic unit 2 Set screw Replacing the measuring system 1. Remove the gauge from the vacuum system. 2. Remove the electronic unit from the defective measuring system. 3. Assemble the electronic unit on the new measuring system. 4. -
Page 34: 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 35: Recycling And Disposal
● Help to reduce the wastage of natural resources. ● Prevent contamination. 10.1 General disposal information Pfeiffer Vacuum products contain materials that you must recycle. ► Dispose of our products according to the following: – Iron – Aluminium –... -
Page 36: Service Solutions By Pfeiffer Vacuum
We are always focused on perfecting our core competence – servicing of vacuum components. Once you have purchased a product from Pfeiffer Vacuum, our service is far from over. This is often exactly where service begins. Obviously, in proven Pfeiffer Vacuum quality. - Page 37 Service solutions by Pfeiffer Vacuum 5. Prepare the product for transport in accordance with the provisions in the contamination declaration. a) Neutralize the product with nitrogen or dry air. b) Seal all openings with blind flanges, so that they are airtight.
-
Page 38: Spare Parts
► Install original spare parts only. Fig. 13: Measurement system W Tungsten filament Nickel filament Gauges Filament Order number (replacement measuring system) TTR 91 PT 120 133-T TTR 91 S TTR 96 S PT 120 141-T Tbl. 8: Spare parts 38/46... -
Page 39: Accessories
13.1 Accessory information Measurement cable Measurement cable in different lengths, for connecting to a Pfeiffer Vacuum total pressure measuring and control unit Seals with centering ring and filter Filter available in different pore sizes to protect the measuring system against contamination in the event of potential contaminating applications 13.2 Ordering accessories... -
Page 40: Technical Data And Dimensions
Technical data and dimensions 14 Technical data and dimensions 14.1 General mbar Torr | mm Hg mbar 1 · 10 0.75 1000 1000 1 · 10 0.01 0.01 1 · 10 1 · 10 7.5 · 10 0.75 1 · 10 0.01 1000 Torr | mm Hg 1.33... -
Page 41: Tbl. 12: Electrical Data
Storage -20 – +65 °C Tbl. 15: Temperatures Pfeiffer Vacuum measuring and control units comply with this requirement. For horizontal installation. The technical data may deviate in measuring range, accuracy and repeatability for bake-out. Cannot be influenced by the operator... -
Page 42: Dimensions
Technical data and dimensions Parameter Value Materials Stainless steel 1.4301/1.4305/1.4435 Glass Ni, NiFe Filament TTR 91 / TTR 91 S Tungsten (W) TTR 96 S Nickel (Ni) Tbl. 16: Substances in contact with media 14.3 Dimensions 22.2 DN 16 ISO-KF Fig. 14:... -
Page 43: 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: Pirani gauge TTR 91 TTR 91 S TTR 96 S We hereby declare that the listed product satisfies all relevant provisions of the following European Directives. Electromagnetic compatibility 2014/30/EU... -
Page 44: 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 45 45/46...
Need help?
Do you have a question about the TTR 91 and is the answer not in the manual?
Questions and answers