BIOBASE Benchtop Grating Spectrophotometer BK-GS821
Brand: BIOBASE | Category: Scientific & Laboratory Equipment
BIOBASE Benchtop Grating Spectrophotometer BK-GS821 is listed in VVON's spectrometers & optical analysis range for Bangladesh. Published models: BK-GS821. 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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| Model | BK-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 | 152mm |
| Light Source | Pulse Xenon lamp and LED lamp |
| Spectrophotometric Mode | Concave grating |
| Sensor | Silicon photodiode array |
| Wavelength Range | 360~780nm |
| Wavelength Interval | 10nm |
| Measured Reflectance Range | 0~200%, resolution 0.01% |
| Measuring Aperture | Reflectance: 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 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<2s |
| 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 | 1.6nm |
| UV Measurement | Including UV, 400nm cutoff, 420nm cutoff, 460nm cutoff |
| Transmission Measurement Specification | Sample height and thickness: unlimited height, thickness≤50mm |
| 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℃(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 Accessories | Power 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 Accessories | Heating 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 |
| 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 | AC100~240V, 50/60Hz, DC regulated power supply |
| Packing Size | 450*570*470mm |
| Gross Weight | 16kg |
Manufacturer catalogue checked 2026-09-28.
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Contact Vvon Technologies Limited about BIOBASE equipment requirements in Bangladesh.
Phone: +8801805987890 | Email: info@vvon.com.bd
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