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    Product Name IWAVE WF28 color difference Meter IWAVE WR18 color difference Meter
    Product Price $710.00 $997.00
    Details Details
    Model comparison
    Measurement aperture Φ8mm Φ4mm Φ8mm
    Color difference formula ΔE*ab ΔE*ab Δ(L*C*h*)
    Sample type Plane Plane Concave Arc
    Measurement Geometry D/8 D/8
    Software With software Without
    Accessories
    Parameter comparison
    Lighting method CIE recommended method: 8/d CIE recommended method: 8/d
    Sensor photodiode array Digital Diode Array
    Measurement Range L:0~100 L:0~100
    Measurement light source D65 D65、A、F2(CWF)
    Measurement time 0.5s 0.5s
    Measurement caliber Φ8mm Φ4mm/Φ8mm
    Repeatability Delta E < 0.07 (the average deviation of the whiteboard is measured 30 times) ΔE<0.06
    Operating language Simplified Chinese English/Simplified Chinese
    Interface USB 2.0 (USB-B Type) RS-232 (115200bps) USB 2.0 (USB-B Type) RS-232 (115200bps)
    viewing angle CIE 10° CIE 10°
    Illuminant Blue excitation LED
    Color difference formula ΔE*ab ΔE*ab ΔE*LCH
    data storage 100 master standard data, 100 sample data under each master standard Master standard: 100 Sample: 20000
    Battery capacity Lithium battery can be measured 5000 times after being fully charged Lithium battery can be measured 5000 times after being fully charged
    display mode CIELAB、CIELCH CIELAB CIELCH CIEXYZ Srgb
    Operating environment 0 ° C -40 ° C (32 ° F -104 ° F); relative humidity below 85%, no condensation 0 to 40 ° C (32 ° F to 104 ° F); relative humidity less than 85%, no condensation
    Storage environment -20 ° C -50 ° C (-4 ° F -122 ° F); relative humidity below 85%, no condensation -20 to 50 ° C (-4 ° F to 122 ° F); relative humidity below 85%, no condensation
    Dimension 199*68*90mm 172*80*60mm
    weight 700g 350g
    Light-containing method SCI SCE
    Inter-instrument Agreement ΔE<0.2 ΔE<0.2
    Lamp life More than 1.60 million measurements in 5 years More than 1.60 million measurements in 5 years
    display screen TFT true color display 2.8inch @(16:9) resolution: 400x240 TFT true color display 2.8inch @(16:9) resolution: 400x240
    packing Size 400*240*340mm
    Optional Accessories Liquid test kits, powder test kits, micro printers