1、 Instrument usage:
The CS-821N desktop spectrophotometer with high stability is an instrument with strong measurement stability; The newly upgraded automatic calibration technology ensures excellent stability in long-term use and measurement of the instrument, even in the face of drastic environmental changes.
2、 Instrument characteristics
1. Automatic calibration
2. Excellent long-term stability, even after rapid environmental changes, can still ensure excellent measurement stability
3. Equipped with two types of lighting sources: pulse xenon lamp and LED
4. 24 standard light sources, 40+measurement indicators
5. Temperature and humidity calculation compensation function
6. 7-inch touch screen, Android operating system
7. Dual path spectroscopic analysis technology

8. Supports fast measurement of both SCI and SCE simultaneously

Product model: High stability desktop spectrophotometer CS821N
Lighting/Measurement Conditional Reflection: d/8 (Diffuse Illumination, 8 ° Direction Reception)
SCI (including specular reflection)/SCE (excluding specular reflection) are measured simultaneously. Compliant with standards: CIE No.15, GB/T 3978, GB 2893, GB/T 18833, ISO7724/1, DIN5033 Teil7, JIS Z8722 Condition C, ASTM E1164, ASTM-D1003-07
Transmission: d/0 (diffuse illumination, vertical reception)
Sensor silicon photodiode array
Splitting method concave grating
Integral sphere diameter 152mm
Measurement wavelength range: 360nm-780nm
Measure wavelength interval of 10nm
Half wave width 5nm
Reflectivity measurement range 0-200%, resolution 0.01%
Lighting source pulse xenon lamp and LED
UV measurement includes UV, 400nm cutoff, 420nm cutoff, and 460nm cutoff
Measurement time in SCI or SCE mode<2 seconds, simultaneous measurement of SCI and SCE<4 seconds
Illumination/measurement aperture reflection:
XLAV Φ 25.4mm/ Φ 30mm
LAV Φ 15mm/ Φ 18mm
MAV Φ 8mm/ Φ 11mm
SAV Φ 3mm/ Φ 6mm
Users can customize the caliber, and the caliber switch is automatically recognized
Transmission: Φ 17mm/ Φ 25mm
Transmission measurement specifications: Sample width and height: unlimited, thickness: ≤ 50mm
Long term repeatability XLAV chromaticity value: standard deviation Δ E * ab within 0.015 (any temperature change of 20 ℃± 10 ℃, measure the white calibration plate every hour within 24 hours)
Repetitive XLAV spectral reflectance/transmittance: standard deviation within 0.1%
XLAV chromaticity value: standard deviation Δ E * ab within 0.015 (after instrument calibration, measure the white calibration plate 30 times at 10 second intervals)
Inter station difference XLAV Δ E * ab 0.15 (based on measuring the average value of the BCRA Series 12 color palette at 23 ° C)
Standard Observer 2 ° Standard Observer and 10 ° Standard Observer
Observe light sources A, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, U30, DLF, NBF, TL83, TL84
Languages: Simplified Chinese, English, Traditional Chinese, Russian, Spanish, Portuguese, Japanese, Thai, Korean, German, French, Polish
Display content spectral data, spectrogram, chromaticity data, chromaticity data, chromaticity chart, qualified/unqualified judgment, simulated color, color evaluation, haze, liquid chromaticity, color deviation
Color Space L * a * b, L * C * h, Hunter Lab, Yxy, XYZ
Color index WI (ASTM E313-00, ASTM E313-73, CIE/ISO, AATCC, Hunter, Taube, Berger Stensby), YI (ASTM D1925, ASTM E313-00, ASTM E313-73), Tint (ASTM E313-00), Isochromatic index Milm, Color fastness, Color fastness, ISO brightness, R457, A density, T density, E density, M density, APHA/Hazen/Pt Co (Platinum Cobalt Index), Gardner (Gardner Index), Saybolt (Sebert Index), Astm colt Or, haze, total transmittance, covering power, force, strength
Color difference formula Δ E * ab, Δ E * CH, Δ E * UV, Δ E * cmc, Δ E * 94, Δ E * 00, Δ Eab (Hunter), 555 color tone classification
Storage space 8GB
Screen size 7 inch capacitive touch screen
Operating System Android
Power supply 12V/3A
Operating temperature and humidity range of 5-40 ° C, with no condensation below 80% relative humidity (at 35 ° C)
Storage temperature and humidity -20~45 ° C, relative humidity below 80% (at 35 ° C) without condensation
Accessory power adapter, data cable, transmission fixture, USB flash drive (containing management software), black chamber, white board, green board, 30mm caliber board, 18mm caliber board, 11mm caliber board, 6mm caliber board, support table, colorimetric dish, damping handle
Optional accessories include heating and transmission fixtures (including control circuit), vertical brackets, pneumatic top rods (including control circuit), small sample clamping accessories, reflective colorimetric dish holders, corrosion-resistant protective plates (not removable), fiber testing boxes, film fixtures, micro transmission fixtures, pull cases, European standard plugs, American standard plugs
Interface RS-232, USB, USB-B
Other 1. Camera framing and positioning
2. The instrument can be used for side measurement, upward measurement, and downward measurement (using accessories)
3. Automatic temperature and humidity compensation function