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Summary of Contents for Pfeiffer Vacuum PCR 280
- Page 1 OPERATING INSTRUCTIONS Translation of the original instructions PCR 280 Compact Pirani Capacitance Gauge...
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Page 2: Product Identification
Product Identification In all communications with Pfeiffer Vacuum, please specify the information given on the product nameplate. For convenient reference copy that information into the space provided below. Validity This document applies to products with part numbers PT R26 855... -
Page 3: Intended Use
Intended Use The Compact Pirani Capacitance Gauge PCR 280 has been designed for vacuum measurement of gases in the pressure range of 5×10 … 1500 hPa. It must not be used for measuring flammable or combustible gases in mixtures containing oxidants (e.g. atmospheric oxygen) within the explosion range. -
Page 4: Table Of Contents
Contents Product Identification Validity Intended Use Functional Principle Patents Scope of Delivery Safety Symbols Used Personnel Qualifications General Safety Instructions Liability and Warranty Technical Data Output Signal vs. Pressure Gas Type Dependence Installation Vacuum Connection Power Connection Operation Light-emitting diode (LED) Gas Type Dependence Deinstallation Maintenance, Repair... -
Page 5: Safety
Safety Symbols Used DANGER Information on preventing any kind of physical injury. WARNING Information on preventing extensive equipment and environ- mental damage. Caution Information on correct handling or use. Disregard can lead to malfunctions or minor equipment damage. Notice <…> Labeling Personnel Qualifications Skilled personnel... -
Page 6: General Safety Instructions
Communicate the safety instructions to all other users. Liability and Warranty Pfeiffer Vacuum assumes no liability and the warranty becomes null and void if the end-user or third parties • disregard the information in this document • use the product in a non-conforming manner •... -
Page 7: Technical Data
Technical Data Measurement range 5×10 … 1500 hPa Measurement principle 10 hPa … 1500 hPa diaphragm capacitive sensor 1 … 10 hPa crossover range 5×10 … 1 hPa thermal conductance acc. to Pirani Accuracy (N ±50% 5×10 … 1×10 of reading ±15% 1×10 …... - Page 8 Supply DANGER The gauge may only be connected to power sup- plies, instruments, or control devices that conform to the requirements of a grounded protective extra- low voltage (PELV) and limited power source (LPS), Class 2. The connection to the gauge has to be fused.
- Page 9 Internal volume DN 16 ISO-KF 4.7 cm DN 16 CF-F 8 cm Permissible pressure (absolute) ≤500 kPa Bursting pressure (absolute) 1000 kPa Permissible temperatures Operation +10 °C … +50 °C Vacuum connection ≤80 °C Filament <160 °C Storage –20 °C … +65 °C Relative humidity Year's mean ≤65% (no condensation)
- Page 10 Dimensions [mm] 22.5 16.5 DN 16 ISO-KF DN 16 CF-F BG 5181 BEN / B (2017-01)
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Page 11: Output Signal Vs. Pressure
Output Signal vs. Pressure Pressure p 1E+05 1E+04 1E+03 Torr 1E+02 1E+01 1E+00 1E–01 1E–02 1E–03 1E–04 1E–05 0.0 0.5 1.0 1.5 8.68 Output signal U [V] (U-c) ⇔ p = 10 U = c + log valid in the range 5×10 hPa <p<... -
Page 12: Gas Type Dependence
Gas Type Dependence Indicated pressure (gauge calibrated for air) p [hPa] Capacitive Pirani Crossover diaphragm sensor range sensor Air, O , CO, N –1 –2 –3 –4 –4 –3 –2 –1 [hPa] Calibration factors valid for Pirani pressure range below 1 hPa = C ×... -
Page 13: Installation
Installation WARNING WARNING: fragile components The ceramic sensor may be damaged by impacts. Do not drop the product and prevent shocks and impacts. Vacuum Connection DANGER DANGER: overpressure in the vacuum system >100 kPa Injury caused by released parts and harm caused by escaping process gases can result if clamps are opened while the vacuum system is pressurized. - Page 14 DANGER DANGER: protective ground Products that are not correctly connected to ground can be extremely hazardous in the event of a fault. Electrically connect the gauge to the grounded vacuum chamber. This connection must conform to the requirements of a protective connection ac- cording to EN 61010: •...
- Page 15 Mount the gauge so that no vibrations occur. The gauge may be mounted in any orientation. To keep conden- sates and particles from getting into the measuring chamber preferably choose a horizontal to upright posi- tion and consider using a seal with centering ring and filter.
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Page 16: Power Connection
Power Connection Make sure the vacuum connection is properly made (→ 13). DANGER The gauge may only be connected to power sup- plies, instruments or control devices that conform to the requirements of a grounded protective extra- low voltage (PELV) and limited power source (LPS), Class 2. - Page 17 If no sensor cable is available, make one according to the following diagram. Connect the sensor cable. Electrical connection Pin 1 Gauge identification Pin 2 Measurement signal Pin 3 Signal common Pin 4 Supply Hirschmann GO 6 Pin 5 Supply common (GND) 6-pin Pin 6 Screen...
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Page 18: Operation
Operation When the supply voltage is applied, the measurement signal is available at the connector (→ "Power Connection"). Allow a stabilization period of at least 10 minutes. It is advisable to operate the gauge continuously, irrespective of the pressure. The gauge is factory calibrated. Due to long time operation or contamination, a zero drift could occur. -
Page 19: Gas Type Dependence
Gas Type Dependence Pressure range Measurement Gas type dependence principle diaphragm independent of gas 10 … 1500 hPa capacitive sensor type, no correction required diaphragm capacitive sensor crossover range 1 … 10 hPa and Pirani sensor 5×10 … 1 hPa Pirani sensor proportional to pressure... -
Page 20: Deinstallation
Deinstallation WARNING WARNING: fragile components The ceramic sensor may be damaged by impacts. Do not drop the product and prevent shocks and impacts. DANGER DANGER: contaminated parts Contaminated parts can be detrimental to health and environment. Before beginning to work, find out whether any parts are contaminated. - Page 21 Caution Caution: dirt sensitive area Touching the product or parts thereof with bare hands increases the desorption rate. Always wear clean, lint-free gloves and use clean tools when working in this area. Vent the vacuum system. Put the gauge out of operation. Untighten the fastening screw and disconnect the sensor cable.
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Page 22: Maintenance, Repair
Gauge failures due to contamination and wear and tear, as well as expendable parts (e.g. filament), are not covered by the warranty. Pfeiffer Vacuum assumes no liability and the warranty becomes null and void if any repair work is carried out by the end-user or third parties. -
Page 23: Troubleshooting
Evacuate the vacuum system to p << 10 hPa and wait at least 2 minutes. Press the <ADJ> button with a pin and the HV adjustment is carried out: The gauge is adjusted to 5×10 (default). If the pressure value 4.99×10 hPa is output at the mea- surement value output or on the LCD display, the adjust- ment has been successful. -
Page 24: Returning The Product
Contaminated products (e.g. radioactive, toxic, caustic or microbiological hazard) can be detrimen- tal to health and environment. Products returned to Pfeiffer Vacuum should pref- erably be free of harmful substances. Adhere to the forwarding regulations of all involved countries and... -
Page 25: Disposal
Disposal DANGER DANGER: contaminated parts Contaminated parts can be detrimental to health and environment. Before beginning to work, find out whether any parts are contaminated. Adhere to the relevant re- gulations and take the necessary precautions when handling contaminated parts. WARNING WARNING: substances detrimental to the environ- ment... -
Page 26: Conversion Table
HG 1 Pa = 1 N/m ETL Certification RECOGNIZED ETL LISTED COMPONENT The product PCR 280 • conforms to the UL Standard UL 61010-1 • is certified to the CAN/CSA Standard C22.2 No. 61010-1-12 3103457 BG 5181 BEN / B... -
Page 27: Eu Declaration Of Conformity
EU Declaration of Conformity We, Pfeiffer Vacuum, hereby declare that the equipment mentioned below complies with the provisions of the Directive relating to electromagnetic compatibility 2014/30/EU and the Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment 2011/65/EU. - Page 28 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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