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Illuminance Meter ASP-MK350

    US $ 2,295.00 2295.0 USD US $ 2,295.00

    US $ 2,295.00

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    • Now with  free unique software for data analysis and reporting
    •  30 days money back warranty
    • Illuminance, Lux reading 
    • Discontinued - Replace byLighting Passport Spectrometer


     Clients who bought our ASP-MK350:

    Our spectrophotometer has a cosine corrector and is calibrated to measure illuminance and spectral response of light sources. It can be used as a quick, handheld device to verify center, dominant, and centroid wavelengths, intensity, and color of LED and other light sources. Compact spectrometer with performance.


    Additional Features:

    • Color or monochrome available
    • Color Temperature
    • LED light measurement
    • Spectral Response
    • Color coordinates C.I.E.
    • Integrated Diffuser corrector
    • 3.5" touch screen interface
    • Data transfer to SD card in image format  .bmp and .xls
    • Battery autonomy 4-5 hours average
    • CE approved
    • Tested performance by Calibration National Lab
    • Perfect replacement for Minolta CL-500A



    This spectroradiometer is useful for any type of light emission engines in the visible range such as laser, diode laser, LED, OLED,projector light source, tungsten, Halogen, solar studies, photo-stability testing, and photobiology and fluorescence, phosphorescence applications.



    Feature ASP-MK350
    Detector Type CMOS Linear Image Sensor
    Spectral Bandwidth Approx. 12 nm
    Cosine Area 6.6 ± 0.1 mm
    Measurement Range 70 ~ 70000 Lux
    Wavelength Range 360 ~ 750 nm
    Exposure Time Range 8 ~ 1000 ms
    Capture Mode Once / Continue
    Integrating Mode Auto / Manual
    Measuring Modes 1. Basic Value Mode
    2. Spectrum Graph Mode
    3. C.I.E 1931 Chromaticity Dragram Mode
    4. C.I.E 1976 U.C.S Chromaticity Dragram Mode
    Measuring Capabilites 1. Illuminance / Lux
    2. Spectral Irradiance
    3. C.I.E Chromaticity Coordinates
        (1) C.I.E 1931 x,y Coordinates
        (2) C.I.E 1976 U.C.S u',v' Coordinates
    4. Peak Wavelength
    5. Correlated Color Temperature; CCT ( in Kelvins )
    6. Color Rendering Index; Ra ( Rendering Average )
    Digital Resolution 16 bits
    Dark Calibration Yes
    Stray Light -25 dB max. ( When monochromatic light of the 550nm wavelength is input, spectral stray light is defined as the ratio of count measured at the input wavelength, to the measured in a region of the input wavelength ± 40nm. )
    Wavelength Data Increment 1 nm
    Wavelength Reproducibility ± 0.5 nm ( Measured under constant light input conditions )
    Illuminance Accuracy Illuminant A @ 2856k at 20000 lux ± 5%
    Color Accuracy ± 0.002 in CIE x,y
    Color Repeatability ± 0.0005 in CIE x,y
    CCT Accuracy ± 2%
    CRI Accuracy @ Ra ± 1.5%
    Display 3.5" LCD 320X240 Touch Panel
    Max. Files @ 2GB SD Card ≦ 250000 Files
    Battery Operation Time ≦ 5 hours / One Full Charge
    Battery 2500 mAh / Reachargeable Li-ion Battery
    Date Output Interface SD Card / USB 2.0
    Data Format Compatible MicroSoft Office Excel Date Format
    Dimensions 144.2 x 78 x 24 mm ( H x W x D )
    Weight ( with Battery ) 250 g ± 20 g
    Operating Temperature Range 0 ~ 35 °C
    Storage Temperature Range -10 ~ 40 °C

    SD card is not included

    SI photometry units
    Quantity Symbol[nb 1] SI unit Symbol Dimension Notes
    Luminous energy Qv [nb 2] lumen second lm⋅s T⋅J [nb 3] units are sometimes called talbots
    Luminous flux Φv [nb 2] lumen (= cd⋅sr) lm J also called luminous power
    Luminous intensity Iv candela (= lm/sr) cd J an SI base unit, luminous flux per unit solid angle
    Luminance Lv candela per square metre cd/m2 L−2⋅J units are sometimes called nits
    Illuminance Ev lux (= lm/m2) lx L−2⋅J used for light incident on a surface
    Luminous emittance Mv lux (= lm/m2) lx L−2⋅J used for light emitted from a surface
    Luminous exposure Hv lux second lx⋅s L−2⋅T⋅J  
    Luminous energy density ωv lumen second per metre3 lm⋅sm−3 L−3⋅T⋅J  
    Luminous efficacy η [nb 2] lumen per watt lm/W M−1⋅L−2⋅T3⋅J ratio of luminous flux to radiant flux
    Luminous efficiency V     1 also called luminous coefficient
    See also: SI · Photometry · Radiometry