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Pfeiffer Vacuum FullRange PKR 251 - Default Chapter; Table of Contents

Pfeiffer Vacuum FullRange PKR 251
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2
BG 805 155 BE / C (2008-04) PKR 251
Contents
Product Identification 3
Validity 3
Intended Use 3
Functional Principle 3
1 Safety 4
1.1 Symbols Used 4
1.2 Personnel Qualifications 4
1.3 Safety Information 4
1.4 Liability and Warranty 5
2 Technical Data 6
3 Installation 9
3.1 Installation 9
3.1.1 Removing the Magnet Unit (Only for Gauges With CF Flanges) 10
3.2 Electrical Connection 11
3.2.1 Use With a Pfeiffer Vacuum Measurement Unit 11
3.2.2 Use With Another Evaluation Unit 11
4 Operation 13
4.1 Measurement Principle, Measuring Behavior 13
5 Maintenance 15
5.1 Adjusting the Gauge 15
5.2 Cleaning the Gauge / Replacing Parts 16
5.2.1 Disassembling the Gauge 17
5.2.2 Cleaning the Gauge 18
5.2.3 Reassembling the Gauge 19
5.3 What to Do in Case of Problems 20
6 Removing the Gauge From the Vacuum System 21
7 Returning the Product 22
8 Accessories 22
9 Spare Parts 23
10 Disposal 24
Appendix 25
A: Measuring Signal vs. Pressure 25
B: Gas Type Dependence 27
Declaration of Contamination 29
For cross references within this document, the symbol ( XY) is used, for
references to other documents, the symbol ( [Z]).

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