Instrument definition for the fictional WONI powder diffractometer at HYNES. Optimum diffracted wavelength where ndet = number of detectors detector signal (usually counts) are already corrected for detector efficiency Descriptive name of sample Count to a preset value based on either clock time (timer) or received monitor counts (monitor). preset value for time or monitor Total integral monitor counts Link to polar angle in /NXentry/NXinstrument/NXdetector Link to data in /NXentry/NXinstrument/NXdetector