This standard specifies vibration limits for ventilator operation. This standard also specifies the measurement parts for measuring fan vibration, requirements for measuring instruments, installation of the product under test, and operating conditions during measurement. This standard is applicable to the factory inspection, type testing and acceptance of on-site vibration indicators of centrifugal, axial flow and mixed flow ventilator products.
JB/T 8689-1998 history
2014JB/T 8689-2014 Fan vibration detection and its limited value
1998JB/T 8689-1998 Fan vibration detection and its limied value