Research Article

Diagnosis of High Voltage Insulators Made of Ceramic Using Spectrophotometry

Table 1

Characteristics of technical parameters of spectrophotometer applied in the study.

ParameterValueUnit

CCD detectorToshiba TCS1304AP - 3648Pixel
Integration time (counting time)from 3.8 × 10−3 to 20s
Type of optical linkSMA 905
Width of apertures lit5, 10, 25, 50, 100, 200μm
Optical resolution~0.02–8.4nm FWHM
Light scattering<0.05% for 600; <0.1% for 435nm
Visible light range190–1100nm
UV spectral range200–1100nm
Dynamic range1300 : 1
Corrected linearity>99.8%
A/D resolution14bits
Maximum pixel digitalization range1MHz
Size of pixel, CCD element8 × 200μm
Sensitivity100 per count for 800 nmPhotons