Digital Polarization Stress Meter For Glass Internal Stress

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$2,160.00$2,460.00

YLY-05 digital polarizing stress meter is suitable for measuring the stress value of optical glass, glass products and other optical materials. The glass stress measurement equipment can qualitatively and quantitatively measure the internal stress of glass and automatically display the result on the LCD screen.
There are two models for this polarizing stress meter has 2 models,including no built-in printer and built-in printer that can automatically print data when the test is completed.

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Description

YLY-05 digital polarizing stress meter is suitable for measuring the stress value of optical glass, glass products and other optical materials. The glass stress measurement equipment can qualitatively and quantitatively measure the internal stress of glass and automatically display the result on the LCD screen.

There are two models for this polarizing stress meter has 2 models,including no built-in printer and built-in printer that can automatically print data when the test is completed.

Features:

  • Qualitative and quantitative both test modes, test space adjustable, wide application.
  • High-precision absolute angle encoder for measurement, the measurement accuracy is better than 2.0 nm.
  • It can display the measurement angle and optical path difference value at the same time, making the measurement intuitive and easy to read.
  • The dark field does not need to be calibrated due to an absolute encoder is used.The dark field of polarized field is always at the zero angle point, so there is no need for the user to calibrate the zero point, avoiding the error caused by manual calibration of the dark field.
  • Equipped with a micro-printer, easy to print out test data.

Principle:

An instrument for determining internal stress in glass or birefringence of crystals based on the principle of polarized light interference. The polarization stress meter is equipped with a sensitive color plate and applies the 1/4 wave plate compensation, hence the instrument can not only qualitatively or quantitatively measure the optical path difference of glass according to the interference color sequence in the polarization field, but also measure the thickness of the glass with the wall thickness. It can measure the internal stress value of the glass accurately and quantitatively.

Application:

Suitable for polarized internal stress testing of glass infusion bottles, glass tube (molded) medicine bottles, tube (molded) injection bottles, ampoules, oral liquid bottles,
Glass containers such as beer bottles and liquor bottles.

Specification:

Name  Polarization stress meter
Instrument indication  0.1 nm
Measurement accuracy  2 nm
Polarizing Field Diameter  150 mm
Pick up polarizer rotation angle  360°
Light field edge brightness  >120 cd/m²
Adjustable range from polarizer to analyzer  280 mm
Brightness of light field  ≥800 lux
Dimensions  220 mm (L) × 310 mm (W) × 580 mm (H)
Power supply  AC 220V 50Hz
Net weight  8 kg

Polarization stress meterPolarization stress meterPolarization stress meterPolarization stress meterPolarization stress meter
Polarization stress meter

Additional information

Model

No Built-in Printer, Built-in Printer