Konica Minolta



Spectrodensitometer FD-7

Enables colour evaluation taking into consideration the fluorescence of paper under any illuminant, including D50 (ISO 13655 M1).

Standalone measurements, Scan measurements and Light measurements within one versatile device.


Principal Specifications Spectrodensitometer FD-7



Illumination/viewing system

45°a:0°(annular illumination)*1
Conforms to CIE No. 15, ISO 7724/1, DIN5033 Teil 7, ASTM E 1164, and JIS Z 8722 Condition A for reflectance measurements.

Spectral separation device

Concave grating

Wavelength range

Spectral reflectance: 380 to 730 nm; Spectral irradiance: 360 to 730 nm

Wavelength pitch

10 nm

Half bandwidth

Approx. 10 nm

Measurement area


Light source


Measurement range

Density: 0.0D to 2.5D; Reflectance: 0 to 150%

Short-term repeatability

Density: σ0.01D

Without polarization filter: 0.0D ~2.5D, Yellow: 0.0D ~2.0D

With polarization filter: 0.0D ~2.5D, Yellow: 0.0D ~1.8D

(When measurements taken 30 times at 10-seconds intervals after white calibration has been performed)

Colorimetric: Within σΔE00 0.05 (Without polarization filter)

 (When white plate is measured 30 times at 10-second intervals after white calibration has been performed)

Inter-instrument agreement

Within ΔE00 0.3 (Average of 12 BCRA Series II color tiles compared to values measured with a master body under Konica Minolta standard conditions)

Measurement time

Approx. 1.4 s (single-point reflectance measurement without polarization filter)

Measurement conditions

Corresponding to ISO 13655 Measurement Conditions M0 (CIE Illuminant A), M1 (CIE Illuminant D50), M2 (illumination with UV-cut filter) and M3 (M2 + polarization filter); User-defined illuminant


A, C, D50, ID50, D65, ID65, F2, F6, F7, F8, F9, F10, F11, F12, User-defined illuminant


2° Standard Observer, 10° Standard Observer

Colour spaces

L*a*b*, L*C*h, Hunter Lab, Yxy, XYZ and colour-difference in these colour spaces

Colour-difference equations

ΔE*ab (CIE 1976), ΔE*94 (CIE 1994), ΔE00 (CIE 2000), ΔE (Hunter), CMC (l:c)


WI (ASTM E313-96); Tint (ASTM E313-96); ISO Brightness (ISO 2470-1); D65 Brightness (ISO 2470-2); Delta Brightness ("Fluorescent Whitening Intensity")


ISO Status T, ISO Status E, ISO Status A, ISO Status I; DIN16536; Spectral density for spotcolours

Advanced features

Greybalance (densitometric & colorimetric), ISOCHECK (QC against ISO or own standards), TARGETMATCH, Trapping, Plate measurement

Data Memory

Single data: Colorimetric target data: 30 data; Density target data: 30 data

50 color sets: 15 colorimetric target data per color set with 3 additional tone values each. ColorSets for standard printing conditions are already included.

Display language

English, French, German, Spanish, Japanese, Chinese (simplified)


USB 2.0

Output data

Colorimetric and densitometric values; Spectral reflectance and irradiance


Rechargeable internal lithium-ion battery (Number of measurements per charge: Approx. 2,000 when new); AC adapter; USB bus power

Dimensions (W × D × H)

70 × 165 × 83mm (Body only); 90 × 172 × 84mm (With target mask attached)

Operating temperature/humidity range

10 to 35°C, 30 to 85% relative humidity with no condensation

Storage temperature/humidity range

0 to 45°C, 0 to 85% relative humidity with no condensation

*1 Illumination for wavelengths under 400nm is unidirectional.