Center transmittance measurement device for eyeglass lenses (advanced version)

NegotiableUpdate on 05/31

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

ST-20 Eyeglass Lens Center Transmittance Measurement Device (Advanced Edition) is a special spectrophotometer designed and developed specifically for the eyewear industry. It adopts a dual beam optical path design and can accurately and stably measure the spectral transmittance of eyewear lenses, finished lenses, sunglasses, and other products. The key components of the device, such as the light source and detector, are all imported components, ensuring the reliable performance of the instrument. The specially designed open sample compartment can easily accommodate various lenses and sunglasses, with simple operation. The customized software system can meet the requirements of the field of optometry and meet many domestic and international industry standards.

Product Details

Brief description:

The ST-20 eyeglass lens center transmittance measurement device is a special spectrophotometer designed and developed specifically for the eyewear industry. It adopts a dual beam optical path design and can accurately and stably measure the spectral transmittance of eyeglass lenses, finished lenses, sunglasses and other products.

The key components of the ST-20 eyeglass lens center transmittance measurement device, such as the light source and detector, are all imported to ensure the reliability of the instrument. The specially designed open sample compartment can easily accommodate various lenses and sunglasses, with simple operation.

The customized software system can meet the requirements of the field of optometry and meet many domestic and foreign industry standards, such as ISO-12312, ISO-8980.3, ANSI Z80.3, GB-10810.3, QB2457, QB2659, QB2506, etc., and can also set or customize special standards by oneself.

Main technical indicators

Optical system: Precision dual beam optical system

Light source: Pre tuned Japanese Hamamatsu ozone free environmentally friendly deuterium lamp+imported Osram long-life tungsten halogen lamp

Spectral bandwidth: 1nm

Wavelength range: 90nm to 1100nm

Wavelength accuracy: ≤± 0.3nm

Wavelength repeatability: ≤ 0.1nm

stability：≤± 0.0004A/h (500nm, preheating for 30 minutes upon startup)

noise：≤±0.0003A

baseline flatness：≤±0.0008A（190～1100nm）

Derivative resolution：>0.5

scanning speed：Fast/Medium/Slow optional