GB/T 26837-2011 Non-destructive testing instruments—Stationary type and movable type industrial X-ray radiographic equipment (Text of Document is in English) - Beijing translation compay

Contents
Foreword
1 Scope
2 Normative References
3 Product classifications
4 Requirements
4.1 Service conditions
4.2 Service performance
4.3 Stability
4.4 Radiation Protection and Safety
5 Testing methods
5.1 Testing condition
5.2 Main instruments and appliances for test
5.3 Determination of penetrating force
5.4 Relative sensitivity determination
5.5 Determination of ray radiation angle and radiation field uniformity
5.6 Determination of X-ray machine timer error
5.7 Tube voltage error determination
5.8 Determination of tube voltage regulating device of X-ray machine
5.9 Overcurrent protection determination
5.10 Overvoltage protection determination
5.11 Determination of temperature protective device
5.12 Determination of tube current milliampere leakage protection device
5.13 Determination of stability for continuous work
5.14 Determination of output voltage for voltage stabilizing circuit
5.15 Determination of radiation leakage air kerma rate
5.16 Determination of high-voltage circuit insulation resistance
5.17 Determination of ground resistance for ground protection device
5.18 Determination of low voltage circuit insulating strength
5.19 Determination of high voltage circuit insulating strength
5.20 Determination of filament transformer primary insulation resistance against the ground
5.21 Determination of controller secondary insulating strength against ground
5.22 Cleanliness testing
5.23 Appearance quality inspection
5.24 Leakage determination
5.25 Transportation and storage environmental testing
5.26 Packaging test
5.27 Normal work test when the power supply voltage fluctuates
6 Inspection rules
6.1 EX factory inspection
6.2 Type inspection
7 Mark, packing, transportation and storage
7.1 Mark
7.2 Package
7.3 Transportation and Storage
Annex A (Normative) X-ray machine calibration block