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BIOBASE Benchtop Grating Spectrophotometer BK-GS821-FL(Customized)

Brand: BIOBASE | Category: Scientific & Laboratory Equipment

BIOBASE Benchtop Grating Spectrophotometer BK-GS821-FL(Customized) is listed in VVON's spectrometers & optical analysis range for Bangladesh. Published models: BK-GS821-FL. Published details include Wavelength Range: 360~780nm; Operating Temperature&Humidity Range: 5~40℃(40~104F), relative humidity 80%(at 35℃) no condensation. Compare measurement range, optical configuration, sample format and software. For a quotation, send the analytical method, measurement range, sample format and software requirements. Confirm the exact model, included accessories, consumables, delivery and service scope in the offer. Manufacturer specifications below describe the published configuration; options and local availability require confirmation.

Model specifications

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Manufacturer specifications
ModelBK-GS821-FL
Optical GeometryReflectance: d/8(Diffused illumination, 8-degree viewing) Simultaneous measurement of SCI/SCE, conform to CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO7724/1, DIN5033 Teil7, JIS Z8722 condition C, ASTM E1164, ASTM-D1003-07 Transmittance d/0(Diffused illumination, 0-degree viewing)
Integrating Sphere Size152mm
Light SourcePulse Xenon lamp and LED lamp
Spectrophotometric ModeConcave grating
SensorSilicon photodiode array
Wavelength Range360~780nm
Wavelength Interval10nm
Measured Reflectance Range0~200%, resolution 0.01%
Measuring ApertureReflectance: XLAV Φ25.4mm/Φ30mm, LAV Φ15mm/Φ18mm, MAV Φ8mm/Φ11mm, SAV Φ3mm/Φ6mm Users can customize the caliber, automatic identification of caliber switching Transmittance: Φ17mm/Φ25mm
Color SpaceCIE LAB, CIE LUV, LCh, Hunter Lab, Yxy, XYZ, Musell, s-RGB, βxy
Color Difference FormulaΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc, ΔE*94, ΔE*00, ΔEab(Hunter), 555 color classification
Other Colorimetric IndexWI(ASTM E313-00, ASTM E313-73, CIE, ISO2470/R457, AATCC, Hunter, Taube Berger, Stensby), YI(ASTM D1925, ASTM E313-00, ASTM E313-73), Tint(ASTM E313-00), Metamerism index milm, stain fastness, color fastness, ISO brightness, R457, A density, T density, E density, M Density, APHA/Pt-Co/Hazen, Gardner, Saybolt, ASTM color, Haze, Total Transmittance, Opacity, Color Strength
Observer Angle2° and 10°
IlluminantA, B, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, U30, U35, DLF, NBF, TL83, TL84, ID50, ID65, LED-B1, LED-B2, LED-B3, LED-B4, LED-B5, LED-BH1, LED-RGB1, LED-V1, LED-V2
Displayed DataSpectral data, spectral graph, chromaticity data, color difference data, color difference graph, pass/fail judgment, simulated color, color evaluation, haze, liquid chromaticity, color bias
Measuring TimeSingle mode<2s
RepeatabilityΔE*ab≤0.015 Spectral reflectance/transmittance≤0.1%
Inter-instrument ErrorXLAV ΔE*ab 0.2
Display7-inch capacitive touch screen
Spectral Resolution1.6nm
UV MeasurementIncluding UV, 400nm cutoff, 420nm cutoff, 460nm cutoff
Transmission Measurement SpecificationSample height and thickness: unlimited height, thickness≤50mm
Long Term RepeatabilityXLAV chromaticity value: standard deviation ΔE*ab within 0.015(Any temperature change at 20°C±10°C, measure the white calibration plate every hour within 24 hours)
Data Storage8 GB
LanguageSimplified Chinese, English, Traditional Chinese, Russian, Spanish, Portuguese, Japanese, Thai, Korean, German, French, Polish
Operation SystemAndroid
Operating Temperature&Humidity Range5~40℃(40~104F), relative humidity 80%(at 35℃) no condensation
Storage Temperature&Humidity Range-20~45℃(-4~113F), relative humidity 80%(at 35℃) no condensation
Standard AccessoriesPower adapter, data cable, transmission fixture, USB flash disk, Black cavity, white board, green board, 30mm aperture, 18mm aperture , 11mm aperture , 6mm aperture, support table, colorimetric dish, damping handle
Optional AccessoriesHeating Fixture for Transmittance, Vertical Support and Pneumatic ram for downward measurement, Reflectance fixture for small size sample, Reflectance Glass Cell Support, Corrosion-Resistant Protective Plate(non-removable), Sample Holder for Fiber, Film Fixture, Transmittance Fixture for Small Aperture, Trolley Case, European Standard Plug, American Standard Plug
InterfaceRS-232, USB, USB-B
Other Function1. Camera to view measurement area 2. Support horizontal,vertical and downward measurement method (need optional accessories to support for downward measurement) 3. Auto humidity and temperature compensation function
Power SupplyAC100~240V, 50/60Hz, DC regulated power supply
Packing Size450*570*470mm
Gross Weight16kg

Manufacturer catalogue checked 2026-09-28.

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Phone: +8801805987890 | Email: info@vvon.com.bd

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