This standard specifies the steps and methods for the maintenance and calibration of R-type magnetic single-point photographic inclinometers and D-type multi-point photographic inclinometers. This standard applies to the maintenance and calibration of R-type magnetic single-point photographic inclinometers and D-type multi-point photographic inclinometers. E-type single-point photographic inclinometer and M-type multi-point photographic inclinometer as well as domestic single-point and multi-point photographic inclinometers can be used for reference.
SY/T 6406-1999 history
1999SY/T 6406-1999 Maintenance and inspection for magnetic single - shot & multi - shot survey instruments