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Specification
BatteriesIncluded : 1
BatteriesRequired : 1
Brand : HFBTE
BulletPoint1 : Whiteness Meter is mainly used to directly measure the whiteness value of object or powder with flat surface.
BulletPoint2 : It can be widely used in whiteness measurement of textile printing and dyeing, paint, chemical building materials, paper board, plastic products, white cement, ceramics, enamel, talc powder, starch, flour, salt, detergent, cosmetics and other substances.
BulletPoint3 : Measuring Range:0~120 ; Resolution: 0.1 ; Illumination Condition:45/0 ; Illuminant: LED 457 nm
BulletPoint4 : The instrument pass strict inspection and testing, conforms to the JJG 512-2002 Whiteness Meter Verification Regulation.
BulletPoint5 : Also conforms to GB3978、GB3979、GB7973、GB7974、ISO2470、GB8904.2、QB1840、GB2913、GB13025.2、GB1543、 ISO2471、GB10339、GB5950、GB12911、GB2409 and other standards.
Color : White
ExternallyAssignedProductIdentifier1 : 0710877214416
ExternallyAssignedProductIdentifier2 : 710877214416
ItemName : Digital Whiteness Meter Leucometer with Measuring Aperture 11x18 mm Rectangle Lithium Battery
ItemPackageDimensions_Height : 8 centimeters
ItemPackageDimensions_Length : 15 centimeters
ItemPackageDimensions_Width : 5 centimeters
ItemTypeKeyword : science-lab-photometers-and-light-meters
Manufacturer : HFBTE
Material : Plastic
PartNumber : HFBTE
PowerSourceType : Battery Powered
ProductDescription : Digital Whiteness Meter Leucometer With Measuring Aperture 11x18 mm Rectangle Lithium Battery

Product Features:
♦It consists of Light Source, Optical System, Detection System, Data Process and Display System.
♦Use of high quality imported components, good reliability.
♦The optical path design is reasonable, simple. Adopt filter system with correction, the whiteness can be reflected quantitatively.
♦No preheating after starting, measurements can be taken after simple calibration, easy to operate.
♦Able to memory 254 groups of measurement data.

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.

Technical Specifications:
♦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 Main Unit: 136x44x78 mm
♦Weight: 305 g
♦Standard Accessories: Main Unit,Standard White Board,Optical Cleaning Cotton Cloth,AC Adaptor
ProductSiteLaunchDate : 2020-11-16T08:00:00.000Z
Size : m
Style : Digital
UnspscCode : 41113600