Color Spectrophotometer DS-64 Operaiton-From CHNSpec Tech

This video introduce how DS-64 color spectrophotometer works including how it works and how to calibration a spectrophotometer. As the manufacturer, we aim to provide good quality device with competitive price. Any interest, you are welcome to contact me for more details.
Contact Information:
Tel:[phone]-818
Mobile:[phone] (we chat/what's app)
Skype: ivyzhang2421
Email: [e-mail]
Website:www.chnspec.com