Portable Spectrophotometer LSP-A31 Catalog


Portable Spectrophotometer LSP-A31 is adopted with 45/0 geometry (45 ring shaped illumination, 0 degree observation angle), where the standard white board is included in the optical system for great accuracy of every measurement. Equipped with automatic gloss compensation technology ensures the accuracy of the color measurement data for the surface of different gloss. Large data storage space up to 20000 samples measurement records. The measurement of the color of the powder, granules and other materials can be done by adding the powder accessories to this spectrophotometer.

Features :

  • 2.8 inch TFT touch screen
  • Simultaneous gloss and color measurement
  • High capacity rechargeable lithium-ion battery
  • LED light source for measurement accuracy
  • Pre-locating panel design for instrument calibration
  • SCS system for measurement repeatability
  • Simultaneous measurement of SCI & SCE
  • USB & Bluetooth data transmission
  • Large storage capacity
  • Connection to mini printer for printing
Specifications :
Illumination 45/0 (45 ring shaped illumination,0° observation angle)
Repeatability Light splitting reflectivity:standard deviation within 0.08% Color values: ΔE*ab<=0.03 (After calibration, standard deviation of 30 measurements on test white board, 5 second intervals) Maximum:0.05
Sensor High sensitivity silicon photodiode
Test angle 60°
Test area 5 × 10 mm
Test range 0 to 1000 GU
Test repeatability 0.2 GU (0 to 100 GU), 0.2% (100 to 1000 GU)
Reproducibility 1.0 GU (0 to 100 GU), 1.0% (100 to 1000 GU)
Inter instrument agreement 0.2 ΔE*ab (BCRA II color tiles, average test value of 12 tiles)
Illumination light source LED
Light source A, C, D50, D55, D65, D75, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, CWF, NBF, TL83, TL184, NBF, U35
Wavelength range 400 nm to 700 nm
Wavelength interval 10 nm
Observation angle 2°/10°
Measuring aperture 11 mm
Color space CIE-L*a*b, L*C*h, L*u*v, XYZ, Yxy, Reflectance, Hunter-lab, Munsell MI, CMYK
Color difference formula ΔE*ab, ΔE*CH, ΔE*uv, ΔE*cmc(2:1), ΔE*cmc(1:1),ΔE*94, ΔE*00, ΔEab(Hunter), 555 shade sort
Other colorimetric indices WI (whiteness) (ASTM E313-10,ASTM E313-73,CIE/ISO, AATCC, Hunter, Taube Berger, Ganz, Stensby) YI (yellowness) (ASTM D1925,ASTM E313-00,ASTM E313-73), Tint (ASTM E313,CIE,Ganz) Metamerism index Milm, Stick color fastness, Color fastness, ISO brightness, A density, T density, M density, E density.
Color matching system Not included
UV light source Not included
Work temperature range 0 to 45℃, relative humidity 80% or below( at 35°C ),no condensation
Battery capacity Rechargeable Lithium battery, 20000 continuous measurement tests, 7.4V/600 mAh
Interface USB
Data storage 20000 samples
Display True color TFT touch screen
Light source longevity 10 years, 3 million test
Dimension 181 × 73 × 112 mm
Weight 800 g (without battery)
Applications :

Used in textile, plastic, food, paint, printing, automobile industries, laboratories & on-site applications for quality control purpose.

Standard Accessories :

Accessories no. Accessories name Unit
1 AC adapter 1
2 Lithium battery 1
3 Color QC software 1
4 Driver software 1
5 USB cable 1
6 Calibration tile (black and white) 1
7 Carrying bag 1
8 Gloss calibration tile 1

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