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Photography and technical data supplied by: BIOBASE · 3 images.

Spectroscopy

Benchtop Grating Spectrophotometer

BK-GS821

Benchtop spectrophotometer for objective colour measurement by reflectance and, depending on configuration, transmittance. It compares samples with standards, calculates colour differences and controls consistency in plastics, paint, textiles, paper, liquids and other materials.

Key features

  • Controlled optical measurement
  • Configurations for different spectral ranges
  • R&D and quality-control applications
Made to orderPrice on request
Manufacturer
BIOBASE
Request a quote
Reply within 24 hoursValidated selection and configurationDelivery to the UK, all European countries, USA, Canada, Mexico and South America.

01 / Accessories

Available accessories

Included accessories

  • Transmission accessory
  • Colour calibration and verification standards
  • Measurement apertures in different diameters
  • Data cables and communication interfaces
  • Power adaptor and cable

Optional accessories

  • Reflection accessory
  • Sample holder
  • Fibre and film holders
  • Corrosion-resistant protective plate
  • Transport case

Final contents, accessory compatibility and availability are confirmed in the quotation for the selected model.

02 / LaboratoriX technical datasheet

LaboratoriX technical datasheet

Technical parameters consolidated from the manufacturer documentation. Each column corresponds to one model; shared values are clearly identified. Final configuration, accessories, power supply and applicable documentation are confirmed with the quotation.

ParameterBK-GS821
Optical Geometry
Reflectance: 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 Size
152 mm
Light Source
Pulse Xenon lamp and LED lamp
Spectrophotometric Mode
Concave grating
Sensor
Silicon photodiode array
Wavelength Range
360–780 nm
Wavelength Interval
10 nm
Measured Reflectance Range
0–200 %, resolution 0.01 %
Measuring Aperture
Reflectance: XLAV Φ25.4 mm/Φ30 mm, LAV Φ15 mm/Φ18 mm, MAV Φ8 mm/Φ11 mm, SAV Φ3 mm/Φ6 mm Users can customize the caliber, automatic identification of caliber switching Transmittance: Φ17 mm/Φ25 mm
Color Space
CIE LAB, CIE LUV, LCh, Hunter Lab, Yxy, XYZ, Musell, s-RGB, βxy
Color Difference Formula
ΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc, ΔE*94, ΔE*00, ΔEab(Hunter), 555 color classification
Other Colorimetric Index
WI(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 Angle
2° and 10°
Illuminant
A, 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 Data
Spectral data, spectral graph, chromaticity data, color difference data, color difference graph, pass/fail judgment, simulated color, color evaluation, haze, liquid chromaticity, color bias
Measuring Time
Single mode<2 s
Repeatability
ΔE*ab≤0.015 Spectral reflectance/transmittance≤0.1 %
Inter-instrument Error
XLAV ΔE*ab 0.2
Display
7-inch capacitive touch screen
Spectral Resolution
1.6 nm
UV Measurement
Including UV, 400 nm cutoff, 420 nm cutoff, 460 nm cutoff
Transmission Measurement Specification
Sample height and thickness: unlimited height, thickness≤50 mm
Long Term Repeatability
XLAV 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 Storage
8 GB
Language
Simplified Chinese, English, Traditional Chinese, Russian, Spanish, Portuguese, Japanese, Thai, Korean, German, French, Polish
Operation System
Android
Operating Temperature&Humidity Range
5–40 °C(40–104F), relative humidity 80 %(at 35 °C) no condensation
Storage Temperature&Humidity Range
-20–45 °C(-4–113F), relative humidity 80 %(at 35 °C) no condensation
Interface
RS-232, USB, USB-B
Other Function
1. 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 Supply
AC100–240 V, 50/60 Hz, DC regulated power supply
Packing Size
450 × 570 × 470 mm
Gross Weight
16 kg

Technical data supplied by BIOBASE.

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