Pfeiffer Vacuum TPR 270 Operating Instructions Manual
Pirani gauge
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Summary of Contents for Pfeiffer Vacuum TPR 270
- Page 1 OPERATING INSTRUCTIONS Translation of the original instructions TPR 270, TPR 271 Pirani Gauge...
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Page 2: Table Of Contents
Table of contents Table of contents About this manual ..........3 1.1 Validity. -
Page 3: About This Manual
Validity ● TPR 270, TPR 271 – Pfeiffer Vacuum product number PT R26 770, PT R26 775, PT R26 780, PT R26 This operating manual is for customers of Pfeiffer Vacuum. It describes the functioning of the designated product and provides the most important information for safe use of the unit. -
Page 4: Safety
The operator is obligated to make operating personnel aware of dangers originating from the unit or the entire system. The gauges TPR 270, TPR 271 have been tested and accepted in compliance with EN 61010/VDE 0411 “Safety Equipment for Electrical Components”. -
Page 5: Proper Use
1 • 10 ... 1000 hPa range. ● Only use the gauge TPR 270 for air, inert gases and gas mixtures outside their explo- sion limits. Because of its material, the TPR 271 gauge can also be used for corrosive gases and gas mixtures outside their explosion limits, if the materials with media contact specified in the technical data are not attacked by these gases and gas mixtures. -
Page 6: Product Description
Product description Product description The gauges TPR 270, TPR 271 are equipped with a temperature-compensated Pirani sensor and enables total pressure measurements in the range of 1 • 10 ... 1000 hPa. Are the gauges being operated with a controller, a calibration factor can be applied for correction of the non-linear characteristics in the pressure range <... -
Page 7: Range Of Application
Transport and storage Range of application The gauges TPR 270, TPR 271 must be installed and operated in the following ambient conditions: Installation location weather protected (indoor) Protection class IP 40 Installation altitude max. 2000 m Ambient temperature +5°C to +40°C Relative humidity 5 ... -
Page 8: Installation
Installation Installation Vacuum connection NOTICE Vacuum component Dirt and damage impair the function of the vacuum component. When handling vacuum components, ensure that they are kept clean and are protect- ed against damage. Ensure that the connection flange is clean, dry and free of grease. CAUTION Excess pressure in the vacuum system 1500 to 4000 hPa Damage to health through emission of process media, because elastomer washers... -
Page 9: Electrical Connection
Damage to the product Only connect cables when de-energized. Never establish a connection using a live cable. The smallest presentable reading is 5 • 10 hPa at operation with Pfeiffer Vacuum con- Controllers trollers. Fig. 4: Connect TPR 270, TPR 271 ... - Page 10 Ground (pin 5) and shielding (pin 6) must always be grounded at the controller. Pin assignment Identification (3.0 kΩ to GND) Analog output 0 ... 10V, (measuring range TPR 270: 1.5 ... 8.5 V; TPR 271: 2.2 ... 8.5 V) Analog ground Supply (V DC), 15 ... 30V...
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Page 11: Operation
Operation Operation After switching on the power supply, the connected gauge is ready for operation. It is ad- visable to wait for a stabilization period of 5-10 minutes before measurement. Operate the gauge during the measurement continuously independent of the applied pressure. Removal of components for their maintenance WARNING Contamination of gauge parts possible due to the media measured! -
Page 12: Cleaning
Maintenance "HV" Fig. 6: Adjusting the gauge measuring range Evacuate the vacuum chamber to the pressure p ≤ 1·10 hPa. Remove the rubber plugs from the "HV" / "ATM" buttons access holes. Push the "HV" button briefly with a small pin (screw driver, Allen key or the like). "ATM"... -
Page 13: Malfunctions
Malfunctions Fig. 8: Clean gauge Detach the gauge from the vacuum apparatus. Fill carefully with industrial alcohol; allow to soak for 5 minutes. Pour out the alcohol and dispose of according to the local regulations. Allow the measurement chamber to dry sufficiently (at least 10 minutes). ... -
Page 14: Service
● Send unit and have it replaced with a new unit. Sending of units (under warranty) For a quick and smooth handling of the service process, Pfeiffer Vacuum recommends the following steps: Download the forms "Service Request" and Declaration of Contamination. -
Page 15: Accessories
Accessories 10 Accessories Designation TPR 270 Mating connector B 4707 283 MA Sensor cable, 3 m PT 448 250 -T Sensor cable, 6 m PT 448 251 -T Sensor cable, 10 m PT 448 252 -T... -
Page 16: Technical Data And Dimensions
1.33 · 10 133.32 1.33 0.133 mm Hg 1 Pa = 1 N/m 11.2 Technical data Parameter TPR 270 TPR 270 TPR 270 TPR 271 Connection for gauge 6-pole female cable con- 6-pole female cable con- 6-pole female cable con-... -
Page 17: Dimensions
Technical data and dimensions 11.3 Dimensions ø 32 ø 32 VACUUM VACUUM DN 16 ISO-KF ø 30 DN 16 CF-F ø 30 ø 32 1/8’’ NPT ø 14 11.4 Conversion (U-c) p=10 <=> U=c+log Conversion formula ● p: Pressure ● U: Measuring signal ●... - Page 18 Technical data and dimensions TPR 270 Torr –01 –02 –03 –04 –05 0.0 0.5 1.0 1.5 10.0 10.3 U [V] TPR 271 Torr –01 –02 –03 –04 –05 0.0 0.5 1.0 1.5 10.0 10.3 U [V] Conversion table Measuring signal U...
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Page 19: Gas Correction Factor
Luft / Air Freon 12 –1 –2 –3 –3 –2 –1 [hPa] Fig. 9: Measurement curve TPR 270, TPR 271 (Pirani) 1.00 Correction factor K for the linear range: 1.40 = K x indicated pressure 1.60 2.40 1.00 Luft 1.00 0.57 0.89... -
Page 20: Declaration Of Conformity
EC directives: ● Electromagnetic Compatibility 2014/30/EU ● Restriction of the use of certain Hazardous Substances 2011/65/EU ActiveLine TPR 270, TPR 271 Harmonised standards and national standards and specifications which have been ap- plied: EN 61326-1: 2013 Group 1 / Class B... - Page 21 VACUUM SOLUTIONS FROM A SINGLE SOURCE Pfeiffer Vacuum stands for innovative and custom vacuum solutions worldwide, technological perfection, competent advice and reliable service. COMPLETE RANGE OF PRODUCTS From a single component to complex systems: We are the only supplier of vacuum technology that provides a complete product portfolio.
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