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Shanghai Langshan Optical Instrument Co., Ltd
Contact lens spectral transmittance measuring instrument (China Institute of Metrology)
NegotiableUpdate on 01/08
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Overview
NIM-2C Contact Lens Spectral Transmittance Measuring Instrument (China National Institute of Metrology) is a specialized measuring instrument for contact lens spectral transmittance based on the transmission standard measuring device for eyeglass products of China National Institute of Metrology. It is equipped with an integrating sphere and has the characteristics of data authority, accurate measurement, and ease of use. The $r $nNIM-2C contact lens spectral transmittance measuring instrument comes standard with a calibration certificate issued by the China Institute of Metrology (based on JJF1106-2003 calibration specifications), which complies with standards such as GB/T11417.5/ISO18369/Z80.20.
Product Details
NIM-2C is a measuring instrument specifically designed for the spectral transmittance of contact lenses, based on the transmittance standard measuring device for eyeglass products of the China Institute of Metrology. It has the characteristics of accurate data, precise measurement, and ease of use.
NIM-2C contact lens spectral transmittance measuring instrument is equipped with calibration certificate issued by China National Institute of Metrology (according to JJF1106-2003 calibration specification) as standard, including software and hardware specially developed for contact lens, measurable soft contact lens (hydrogel/silicon hydrogel/artificial cornea, etc.), and rigid contact lens (RGP/Ortho-K, etc.).
NIM-2CBuilt in scoring ballFor lenses with prescription, the measurement is more accurate and in line with the standards.The software also has a built-in function to simulate the correction of reflected light loss in the optical path.
The NIM-2C is equipped with a specially designed fixture that is extremely easy to operate. Whether it is a soft contact lens or a hard contact lens, simply put the lens into one clamp and it can be used with zero deformation of the lens.
The NIM-2C contact lens spectral transmittance measuring instrument complies with standards such as GB/T11417.5/ISO18369/Z80.20.
NIM-2CThe measurement data of the contact lens spectral transmittance measuring instrument includes:
l standard light sourceAVisible light transmittanceAnd its reflection light loss correction value
l standard light sourceD65Visible light transmittanceAnd its reflection light loss correction value
l Average visible light transmittanceAnd its reflection light loss correction value
l UVA average transmittance
l UVB average transmittance
l standard illuminantAColor Rendering Index
l standard illuminantD65Color Rendering Index
l standard illuminantD50Color Rendering Index
l standard illuminantD55Color Rendering Index
l standard illuminantD75Color Rendering Index
NIM-2CTechnical parameters of contact lens spectral transmittance measuring instrument:
l Measurement medium: in air, in solution (pure water or standard salt solution)
l Measurement aperture:6mm
l Maximum lens diameter:18mm
l Wavelength range:280nm~780nm
l Repeatability of transmittance measurement:<1.0%*
l Absolute value of transmittance indication error:<1.0%*
l Wavelength interval:1~10nmAdjustable (default)5nm）
l Size: Width600mm, Depth440mm, height190mm
l Weight: Approximately26.5Kg
l Power supply:AC 100~220V 50Hz 150W
l Operating System:Win7/8/10/11
l Data interface:USB
*For standard films only, see calibration certificate.
NIM-2CContact lens spectral transmittance measuring instrumentConfiguration List:
Standard configuration:
l One host
l One power cord
l One USB data cable
l Two far ultraviolet quartz measuring dishes
l A set of rigid contact lens opening and closing fixtures
l A set of flexible contact lens opening and closing fixtures
l One plastic tweezer
l Rinse one bottle
l One suction stick
l A set of computer with software and instructions installed
l A set of spare eyeglass lens (standard lens) fixtures
Optional configuration:
l A set of transmittance standard films from China National Institute of Metrology
l LENSER contact lens transmittance reference lens set
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