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The PTC-702 adopts automatic Senarmont compensation method (senna have), quantitative measure internal stress processes. The manual before Senarmont compensation method, observers need to rotate scale compass to the most bright position and the judge dark position, it is easy to produce errors.
This device will automatically detect the brightness of the image, thus reducing human error. And with a zoom lens, also can detect small sample size. Equipped with computer and to preserve them determination of the data and images.
It was also through the photosensitive color method to detect, and be more clear the direction of stress.
Features: reduce human error
Preliminary input the light of the object determination elastic coefficient and depth, can automatically calculus the stress size
Camera rate can change 1-24 times
USES: glass products residual stress the quantitative detection
Plastic products stress testing
The throne of optical thin film is determined
Crystal materials have stress, etc
Detection principle: Senarmont (compensation method) / acuity color method (photosensitive color method) size: W300 x D480 appearance H750mm x
Vision: the maximum range 176 x 132 mm / 6.9 x 5.2 mm minimum
Source: fluorescent lamp ring.
Power supply: AC100V 50/60 Hz ac
A: the stress instrument host, laptop computers, CCD camera, focus the camera, cable, stress direction confirm such as great accuracy/standard deviation: about + 1.5 nm (plus or minus 0.5 ° scale compass rotation)
Resolution: about 1.5 nm (0.5 °) scale compass rotating weight: 18 kg
Computer operating system: Windows XP/Windows Vista
