BS G 226:1979
Current
The latest, up-to-date edition.
Specification for counter and pointer, servo type, pressure altimeter systems
Hardcopy , PDF
English
31-01-1979
Foreword
Specification
1 Scope
2 References
3 General construction requirements
4 Particular requirements
4.1 Construction
4.2 Performance
5 Tests
5.1 General
5.2 Test conditions
6 Type tests
6.1 Ranging accuracy and hysteresis test
6.2 Damping test
6.3 Barometric pressure scale test
6.4 Instrument attitude error test
6.5 Leakage tests
6.6 Drift and after effect test
6.7 Servo chase rate test
6.8 Friction test
6.9 Threshold test
6.10 Pressure overload test
6.11 Test of failure warning device
6.12 Altimeter-encoder tests (type B instruments only)
6.13 Temperature tests
6.14 Vibration test
6.15 Acceleration test
6.16 Tropical exposure test
6.17 Mould growth test
6.18 Salt mist test
6.19 Electrical tests
7 Production routine tests
8 Production quality tests
Appendix
A Serviceability tests
Tables
1 Altitudes, pressures and permissible errors
2 Test points for barometric pressure scale test
3 Friction test: altitudes and tolerances
4 Test points for altimeter-encoder test
Figure
1 Encoder 'turn-on' voltage limits
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.