Illumination/Viewing geometry

8°:de (8° illumination angle / diffuse viewing, sepular component excluded SCE)

Receptors

6 silicon photocells (3 for measurement, 3 to control illumination)

Measuring area

Approx. Ø 8 mm

Display modes

Whiteness Index: CIE, Hunter, ASTM E313 Yellowness Index: ASTM E313, ASTM Dl925 Yxy (Displayable in CIE display mode)

Observer condition

CIE: 10° Standard Observer

Illuminant condition

CIE: Standard Illuminant D65

Repeatability

Standard deviation of Whiteness Index: CIE: 0.5, Hunter: 0.1 (Measurement conditions: When measuring white calibration plate)

Minimum interval between measurements

Approx. 1 sec.

Power source

Four AA-size batteries or optional AC Adapter AC-A308

Battery life

Alkaline-manganese batteries: Approx.2000 measurements at10-sec. Intervals Ni-Cd batteries: Approx. 600 measurements at 10-sec intervals

Operating temperature/humidity range

Temperature: 0 - 40°C;relative humidity 85% or less (at 35°C) with no condensation

Storage temperature/humidity range

-20 - 55°C; relative humidity 85% or less (at 35°C) with no condensation

Weight / Dimensions (W x H x D)

360 g without batteries; 59 x 158 x 85 mm

Standard accessories

White Calibration Plate CR-A74, Soft Case CR-A68; Protective Cap CR-A79; Wrist Strap CR-A73; AA-size batteries (4)

Optional accessories

Vinyl Cover CR-A80, Printer Cable CR-A75, Thermo-Printer DPU-H245HS, AC Adapter AC-A308