Quick Details
- Detecting method:Sensitive Color Method and Senarmont Method
- Measuring range:0-280nm
- Measure height:max240mm
- Size:W280×D385×H390mm
- Weight:11Kg
- Detecting method:Sensitive Color and Senarmont
- Processing Time:in 3 days
- Port:Shanghai
- Supply Ability: 10000 Units Per Year
- Place of Origin:China
- Model Number:PSV-413
- Brand Name:PTC
- Brand Name:PTC
Quantative Polariscope measuring tempered
grafe
Application
Polarized light interference is adopted to observe and analyze the internal stress
of transparent plastic and glass products .
For transparent glass products , Senarmont method is also used to measure the
internal stress precisely.
At the moment , this instrument is widely used for quality control and quality
improvement within transparent plastic and glass products .
Detection objects
1. lighting industry , such as light bulbs, light tube
2. beverage and medical packaging industry, such as drink bottles , Penicillin bottles, ampoule
bottles
3. household glassware . such as red wine glass , crisper, salad bowl
4. industrial glass , such as contact lenses, solar glass ,automobile glass
5. optical crystals, such as calcium fluoride, etc.
Testing methods
Sensitive Color
When the scale compass is at 0 degree,the entire viewing field is
orange . This is called the sensitive color. Put the sample onto the polarizer, the part with stress will be light white or grayish black, different from the background color. The part without
stress will be orange, the same as the background color.
2. Senarmont
Internal stress of glass products can be measured precisely under
this method . Turn on the power, the entire viewing field is dark brown when the scale compass is at 0°. Put the sample onto the polarizer, focus on the brightest spot in the
viewing field .That's where the maximum stress exists. Rotate the scale compass on the analyzer until the brightest point turns dark brown, record the rotation angle of the scale compassl . The
stress value will be calculated through a formula .
Specifications
Model
PSV-413
Viewing field
W200×D200mm
Measuring space height
240mm
Light source
white LED light, wave length=590nm
Size
W280×D385×H390mm
Weight
11Kg
Power
DC 12V (with a 220V adapter)
Other parameters :
1 .Brightness of light field: ≥120cd/m2
2.polarization degree at any point of the polarizing element : ≥ 99%
3. Polarization field : 200*200mm
4. instrument structure : 1/4 wave plate and full wave plate (wavelength: 565nm) are
respectively inserted into the analyzer and the polarizer. And the slow axis of the 1/4 wave plate is 90° to the polarization plane of the polarizer. The slow axis of the full wave plate is
45°to the polarization plane of the polarizer.
5. There is a scale compass on the top of the analyzer (measuring range :
1°- 180°)