| Illumination/viewing geometry |
8/d (8º illumination angle/diffuse viewing; specular component excluded) |
| Measuring area |
Approx. ø8mm |
| Display modes |
Whiteness Index: CIE, Hunter, ASTM E313 Yellowness Index: ASTM E313, ASTM D1925 Yxy (Displayable in CIE display mode) |
| Repeatability |
Standard deviation of Whiteness index: CIE: 0.5, Hunter: 0.1 (Measurement conditions: when measuring the calibration plate) |
| Minimum interval between measurements |
Approx. 1 sec |
| Power Source |
4 AA-size batteries or optional AC Adapter AC-A12 |
| Battery life |
Alkaline manganese batteries: Approx. 2000 measurements at 10-second intervals NiCd batteries: approx. 600 measurements at 10 second intervals |
| Operation temperature range |
0 to 40ºC (32 to 104ºF); less than 85% relative humidity |
| Storage temperature range |
-20 to 40ºC (-4 to 104ºF) no condensation |
| 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 |
AC Adapter AC-A12; Printer Cable CR-A75; Vinyl Cover CR-A80 |