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  • Rice Whiteness Meter Awm 216 - China

    price: contact company for price

    Operational Principle

    The Illuminant of the instrument is long- life LED with 457nm, conforming to the light source requirement in the JJG 512- 2002 National Metrological Whiteness Meter Verification Regulation. The measurement of the instrument adopts the principle of photoelectric effect. The diffuse reflectance Radiant Brightness Energy Value of the sample surface is receive by the optical cell. Then, the value is amplified by high- precision auto zeroing operation amplifier, inputted to the calibration circuit for energy calibration. Then, the whiteness value of the sample is directly shown on the digital display.

    Product Parameters

    Measuring Range 0~120

    Resolution 0.1

    Illumination Condition 45/ 0

    Illuminant LED 457 nm

    Whiteness Formula Blue Light Whiteness WB=R457

    Measuring Aperture 11x18 mm Rectangle

    Zero Drift ≤0.1

    Stability of Display ≤0.5

    Repeatability ≤0.1

    Operating Condition Temperature: 0~40 ℃ Humidity: <85 % RH

    Power Supply Lithium Battery

    Size 136x44x78 mm

    Weight 305 g ( Not including batteries)

    Product Accessories

    Standard Accessories Main Unit, Standard White Board, Optical Cleaning Cotton Cloth, AC Adaptor

    Optional Accessories Constant Pressure Powder Forming Apparatus, RS- 232 data output, Bluetooth data output


    Company Contact:


    • Phone: 13242740988

    • Address: Huanhua Rd, Liwan District, Guangzhou, China

    • Email: Email

    Published date: December 18, 2015 -

    • Business Description: Amittari Instruments aims at supplying professional instrument and excellent service.We have the honor of supplying professional measuring instruments for some customers such as Ultrasonic Thickness Gauge, Coating Thickness Gauge, Surface Roughness Meter, Window Tint Meter,Glossmeter, Hardness Tester, Sound Level Meter, Lux Meter, Anemometer, PH/ORP controlller, Vibration Meter, TemperatureMeter, Stroboscope, Moisture Meter, Belt Tension Tester, Dew Point Meter ,etc.

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