In-line color measurement technology

Real-time settings eliminate the need for complex recalibrations or costly technical services.

Optimal results with Rainbow’s max performance—no speed limitations, only unmatched efficiency.

Unlock versatility as Rainbow interface monitors, tracks, and exports data easily.

Measurement Zone	Z1	Z2	Z3
Geometry*	-14º / 65º	0º / 45º	14º / 23º
Measurement distance (machine aperture to sample)	> 70 mm
Light source	Supercontinuum white light laser
Spectral measurement range	400 nm - 750 nm
Measurement area**	60 mm	60 mm	60 mm
Total measurement zone	450 mm
Measurement time	< 100 ms	< 100 ms	< 100 ms
Minimum measurement interval	2 s between zones
Distance variation with error ΔL*, Δa, Δb < 0.4	± 2 mm	± 2 mm	± 2 mm
Repeatibility (standard deviation for 10 repeated measurements of a white sample)***	ΔL*, Δa, Δb, ≤ 0.1	ΔL*, Δa, Δb, ≤ 0.1	ΔL*, Δa, Δb, ≤ 0.1
Reproducibility (standard deviation for 10 different measurements of a white sample over 1 hour)	ΔL*, Δa, Δb, ≤ 0.2	ΔL*, Δa, Δb, ≤ 0.2	ΔL*, Δa, Δb, ≤ 0.2
Calibration (traceable to NIST/PTB with certificate for the 250nm – 2450nm range)	Automatic calibration in each measurement zone
Environment light influence	NO

*Incidence referred to the normal/detected to the specular.

**Customizable upon request from 10 mm up to 80 mm.

***By taking continuous measurements over 24 hours, the repeatibility of ∆L*, ∆a, and ∆b are ≤ 0.2.

Environment temperature	5 - 40 °C
Machine size	976 mm x 2783 mm x 1020 mm
Machine weight	450 kg
User Interface	Specific HMI for coil coating industry (Color display 17")
I/O Interface	Ethernet, RS232, RS485, USB
Input voltage	230 V AC
Max power consumption	3.6 kW

Product