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Optical Polariscope, Lens Stress Tester with LED Light Source, Progressive Multifocus Testing and Display Clearly, Brightness Adjustable and Accurate Result, for Optical Store, Vision Center

Optical Polariscope, Lens Stress Tester with LED Light Source, Progressive Multifocus Testing and Display Clearly, Brightness Adjustable and Accurate Result, for Optical Store, Vision Center

$123.11 USD
  • 【Use Method】: Place the glasses to be tested between the analyzer and polarizer of the stress meter, observe the stress around the spectacle lenses in the lens ring from top to bottom, determine whether the stress around the spectacle lenses is uniform, and determine Areas that need correction.
  • 【Adjustable Brightness】: The glasses detection equipment can adjust the brightness of the light source by rotating the upper polarizing dial. You can observe the light and dark stripes of the lens, the force distribution during the injection molding process, and check the changes in installation force and the difference between genuine and fake crystal lenses.
  • 【Flexible to Observe】: The stress meter can observe the following conditions: Excessive stress or excessive local stress: the linear color around or around the optical lens becomes darker and darker; line shape; uniform stress: the area around the glasses is semicircular and Uniform linear shape.
  • 【Simple Operation】: One-button operation, plug in the power and press the switch to use. Obtain information that can be used to calculate the stress (internal force) within an object, or as an indicating element on a device that measures force, pressure, acceleration, etc.
  • 【Scope of Usage】: The device is suitable for major optical stores, vision care centers, hospitals, optometry training centers, etc. Detect the stress status of glasses, determine the authenticity of the crystal, and be used for glasses production and testing.

Specifications: Product name: Glasses lens stress meter Product voltage: AC 110-240V/50Hz Power: 10W Weight: about 1.3kg Product size: 110*120*230mm Packaging size: 273*150*102mm Package Includes: 1*Lens Strain Tester 1*Manual Note: Please allow the slight color difference caused by the shooting light and 1-3 cm error due to manual. If you have any questions about the product, please leave us a message and we will get back to you within 24 hours.

Frequently asked questions

What is the return policy?

Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.

Are any purchases final sale?

We are unable to accept returns on certain items. These will be carefully marked before purchase.

When will I get my order?

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.

Where are your products manufactured?

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

How much does shipping cost?

Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.

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