Benchtop Grating Spectrophotometer BK-GS821

.Features:
1. High precision automatic calibration, excellent long-term repeatability, ensure excellent measurement repeatability even after environment changes.

2. It has two lamps: pulsed xenon and LED.

3. 24 kinds of illuminants and more than 40 measurement indices.

4. Temperature and humidity compensation function.

5. 7-inch touch screen, Android operate system.

6. Dual optical paths spectrum analysis technology.

7. Support SCI+SCE simultaneous rapid measurement.

Technical Parameters:

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

 

Benchtop Grating Spectrophotometer BK-GS821 — professional solution in the Spectrophotometers category

Benchtop Grating Spectrophotometer BK-GS821 is a modern business-class equipment designed for daily operation in demanding conditions. The combination of reliability, accuracy and durability makes this product the optimal choice for companies seeking consistent process quality, predictable results and reduced operating costs. The purchase price is a reasonable investment in the development and scaling of the enterprise.

Why Benchtop Grating Spectrophotometer BK-GS821

• Reliability and durability: industrial-grade design and materials withstand intense loads.
• Accuracy and repeatability: stable performance that reduces the risk of defects and downtime.
• Process efficiency: optimizing staff time and increasing productivity at every stage.
• Compliance with standards: manufactured taking into account current international requirements for the business segment.
• Ease of integration: Benchtop Grating Spectrophotometer BK-GS821 fits easily into existing process lines and IT infrastructure.

Areas of application Spectrophotometers

Spectrophotometers solutions are widely used in manufacturing, research laboratories, construction sites, energy and agricultural sectors, pharmaceutical and food industries. Implementing Benchtop Grating Spectrophotometer BK-GS821 allows you to increase productivity, ensure accuracy of operations and optimize resource utilization across the entire enterprise.

Key benefits for business

Technical highlights

• Industrial reliability of components and assemblies for long-term trouble-free operation.
• Stable parameters that ensure repeatability of results and product quality.
• Energy efficiency and optimized life cycle cost of ownership.
• Compatibility with related equipment and standard data exchange protocols.

Service and support

Together with Benchtop Grating Spectrophotometer BK-GS821 you receive professional advice on selection, commissioning and personnel training. We provide warranty and post-warranty service, prompt delivery of consumables and spare parts. Our team supports projects from the procurement stage to the stable operation of the complex so that your business receives the expected result every day.