T/SSL 004-2022 Dynamic scale technical specification
T/SSL 004-2022 Dynamic scale technical specification
Basic Information
Scope
Scope: This document specifies the terms and definitions of dynamic scales, product models, metrological requirements, technical requirements, test methods, inspection requirements, packaging, transportation, storage, and installation. This document applies to equipment used for online automatic weighing of prepackaged discrete loads or bulk single loads; Main technical contents: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Product models 5. Metrological requirements 5.1 Accuracy grade 5.2 Verification scale interval 5.3 Minimum weighing capacity 5.4 Maximum permissible error 5.5 Unit of measurement 5.6 Effect of off-center loading 5.7 Temperature limits 5.8 Special temperature ranges 5.9 Power supply 10. Tilt 6. Technical requirements 6.1 Adaptability for use 6.2 Currency efficiency 6.3 Dynamic setting 6.4 Protection 6.5 Reading requirements 6.6 Form of displayed value 6.7 Indication limit 6.8 Weight display under normal operation 6.9 Software 6.10 Zeroing and zero-point tracking device 6.11 Preheating time 6.12 Control of zeroing device 6.13 Zero-point tracking device 6.14 Function switching 6.15 Safety performance 6.16 Communication interface 6.17 Mechanical interface 6.18 Weighing sensor 6.19 Reliability and life requirements 7. Test methods 8. Inspection requirements 8.1 Inspection conditions 8.2 Factory inspection 8.3 Acceptance criteria 8.4 Packaging inspection 9. Packaging, transportation, storage, and installation 9.1 Packaging 9.2 Random documents in the package 9.3 Transportation and storage 9.4 Installation