Troxler EGauge 4590, Manual Of Operation And Instruction

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Precision
Precision is defined as
±
one (1) standard deviation in density
readings. This number is calculated by the ratio of the standard
deviation in the counting rate and the slope of the calibration
curve at a given density.
Parameters at 6-inch depth
Direct Transmission Mode
150 mm (6 inch)
Measurement time is
2 min
; Background Time is
1 min
kg/m
3
lb/ft
3
Density 2150 135
Precision ± 4 ± 0.25
Composition error ± 0 ± 0