Instruction manual
361T
DENSITOMETER
8-1
8. Appendix
Technical Specifications
PARAMETER SPECIFICATION
Display
8 character LCD, 9.4mm H w/ EL
backlighting
Measuring Range
Density 0 - 6.0D
% DOT Area 0 - 100% (pos & neg)
Reference Range
All Except DOT All possible values measured
+DOT (Fringe) -10% to +69%
-DOT (Fringe) +31% to +110%
Calibration
Digital w/ lithium battery backup
Zero Auto
Slope Yes, for Density
Dot For 50% Point
Accuracy
Ortho, Visual
2,3mm aperture ±0.02D (0-5.0D), ±1% (5.0-5.5D),
±2% (5.5-6.0D)
1mm aperture ±.02D (0-4.5D), ±1% (4.5-5.0D)
U.V.
3mm aperture ±0.02D (0-3.5D), ±1% (3.5-4.0D)
Repeatability
Ortho, Visual
2,3mm aperture ±0.01D (0-5.0D), ±2% (5.0-5.5D),
±3% (5.5-6.0D)
1mm aperture ±.01D (0-4.5D), ±1% (4.5-5.0D)
U.V.
3mm aperture ±0.01D (0-3.5D), ±1% (3.5-4.0D)
Interinstrument Agreement
±.02D, ±2% (0-5.0D)
Zero Stability
±.02D max per 8hr
Slope Stability
±1% max per 1 year
Warm-up Time
2 min. (U.V. = 5 min.)
Measuring Geometry
Per ANSI PH2.19, ISO5/2
Illumination 0 degrees
Light Collection Diffusing surface
Aperture Angle
Incident Light Approx. ±5 degrees
Measuring Area Diameter
1, 2, 3mm
.5mm optional, P/N 319-40-005