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BS ISO 24477:2022

BS ISO 24477:2022

$102.76

Vacuum technology.Vacuum gauges.Specifications, calibration and measurement uncertainties for spinning rotor gauges

Published By Publication Date Number of Pages
BSI 2022 20
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 ​Scope
2 ​Normative references
3 ​Terms and definitions
10 3.1 Terms related to components
3.2 ​Terms related to physical parameters
12 4 ​Symbols and abbreviated terms
5 ​Principle of a spinning rotor gauge
13 6 ​Specifications for spinning rotor gauge
6.1 ​Diameter and density of rotor
6.2 ​Materials of rotor and thimble
6.3 ​Connecting flange of thimble
6.4 ​Leak rate of thimble with flange
6.5 ​Suspension head positioning
14 6.6 ​Limits of rotor frequency
6.7 ​Warm-up period
6.8 ​Baking temperature
6.9 ​Measurement range
6.10 ​Sampling time
6.11 ​Internal volume
6.12 ​Interface and pin connections of controller
6.13 ​Dimensions and weights of suspension head and controller
6.14 ​Display and signal output
6.15 ​Nominal operating (environment) conditions
6.16 ​Storage and transportation conditions
6.17 ​Input power and electrical requirements
15 7 ​Additional (optional) specifications for spinning rotor gauge
7.1 ​Long-term instability
7.2 ​Expected measurement uncertainty
7.3 ​Compatibility between a suspension head and a rotor
7.4 ​Inspection record and calibration certificate
7.5 ​Allowed vibration level
7.6 ​Cable length
7.7 ​Photograph
8 ​Calibration
8.1 ​Parameters to be calibrated
16 8.2 ​Calibration procedures
8.2.1 ​General
8.2.2 ​Calibration method A for σeff,0
8.2.3 ​Calibration method B for σeff,0
17 8.3 ​Calibration uncertainty
8.4 ​Calibration certificate
18 9 ​Measurement uncertainty at use
19 Bibliography

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BS ISO 24477:2022
$102.76