Ophthalmic Contact Lens Transparency Testing Equipment ASTM Standard
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
(1) GB/T 11417.5 – Ophthalmic optics – Contact lenses – Spectral transmittance test method.
(2) ISO 18369 – Ophthalmic optics – Contact lenses – Requirements and test methods.
(3) ANSI Z80.20 – American National Standard for Contact Lens Optical Properties.
(4) ISO 8980-4 – Ophthalmic optics – Lenses for correction of vision – Part 4: Transmittance specifications.
(5) IEC 61010 – Safety requirements for laboratory and measuring equipment.
Features
(1) Built-in integrating sphere ensures uniform illumination and accurate lens transmittance measurement.
(2) Specially designed lens clamp prevents deformation for both soft and hard lenses.
(3) Wide spectral range (280–780 nm) for comprehensive optical evaluation.
(4) Adjustable wavelength interval (1–10 nm) for high-resolution measurement.
(5) High measurement accuracy with transmittance repeatability <1% and absolute error <1%.
(6) Supports measurement in air or solution (pure water or standard saline).
(7) User-friendly software interface compatible with Windows 7/8/10/11.
(8) Data output via USB for easy integration with laboratory information systems.
Technical Parameters
| Parameter | Specification |
|---|---|
| Measurement Medium | Air, solution (pure water or standard salt solution) |
| Measuring Aperture | 6 mm |
| Maximum Lens Diameter | 18 mm |
| Wavelength Range | 280–780 nm |
| Wavelength Interval | 1–10 nm adjustable (default 5 nm) |
| Transmittance Repeatability | <1.0% |
| Absolute Transmittance Error | <1.0% |
| Instrument Size (W×D×H) | 600 × 440 × 190 mm |
| Weight | ~26.5 kg |
| Power Supply | AC 100–220 V, 50 Hz, 150 W |
| Operating System | Windows 7/8/10/11 |
| Data Interface | USB |
Accessories
(1) Lens clamp for soft and hard lenses.
(2) Integrating sphere (built-in).
(3) Calibration standards for spectral transmittance.
(4) Software suite for data acquisition and analysis.
(5) USB data cable.
(6) User manual and compliance certificates.
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