X-RITE COLOR DTP22 DIGITAL SWATCHBOOK SPECTROPHOTOMETER - $120 (oakland lake merritt / grand)

X-Rite's inline spectrophotometers are mounted above the production line to continuously measure and evaluate color accuracy throughout the run for all stages of paper manufacturing, as well as for the coil coating, plastics, coated glass, textile, and automotive industries. https://www.ebay.com/itm/125626073500