Research Article
Novel Chromatic Technique Based on Optical Absorbance in Characterizing Mineral Hydraulic Oil Degradation
Figure 2
Probe for chromatic parameter device ((1): white LED, (2): RGB color sensor, (): optical window, (5): feedback diode, (6): water sensing element, (7): temperature sensing element, (8): housing, (9): protective mesh, (10): electrical wires, (11): preamplifier PCB, (12): connecting cable).