Features

This device is a precision spectroscopic white photometer using an integrating sphere type spectrophotometer using the “D-0° method” with diffuse illumination and vertical reception method. The feature is that it measures and prints out instantly.
Spectroscopic measurement 380-780nm (measurement at 10nm intervals)
Chromaticity diagram, spectral curve, and spectral reflectance by liquid crystal color display
ISO R457 “Whiteness” C light 2 degree field of view
WB=0.847Z According to JIS P8123
ISO R557 “Opacity” measurement

Abstract

This device was designed based on the German-made Errefoh upright spectral reflectance meter.The “diffuse illumination → 0 degree light reception” method eliminates variations in measurement values ​​depending on the vertical and horizontal directions of the paper, and the measurement window is Because it faces downwards, no dust can enter the integrating sphere, and it is characterized by its cleanliness.
Adjustments and inspections are accurate according to ISO/TC6 STFI-IR3 REFERENCE STANDARD and NIST standards.

composition

(1) Integrating sphere spectrophotometer body
(2) Control and data processing section
WINDOWS specification personal computer
LCD color display/color printer

specification

Measurement method….JIS-P8148/Reflected light d-0° method/Transmission 0°-0 method
Measurement method: Spectroscopic method using a diffraction grating
Measurement method: Spectroscopic method using a diffraction grating
Detection element….Silicon photodiode array 31 channel type
Lighting conditions…. Integrating sphere (150mmΦ) Method/Diffuse illumination → 0 degree light reception (d-0 degree method)
Light source……Halogen lamp・12V100W・2,000H
Measurement area….reflection measurement 30mmΦ, transmission measurement 30mmΦ
Reproduction method…20 measurements using standard white standard deviation within 0.02
Dimensions….W400 x D520 x H460 (weight 20kg)

Measuring part

Calibration method: automatic standard adjustment/automatic zero point adjustment
Operation switch: ZERO. CAL. MEAS.
I/O interface: RS232C 9600pbs

Working voltage

AC100V 50/60Hz Approx. 200VA

Display method

Display data.. Color measurement data using liquid crystal color display
Chromaticity diagram, spectral curve, spectral reflectance
Print….Print out by color printer

Measurement item

ISO R457 “Whiteness” (by C light 2 degree field of view)
WB=0.847Z (JIS P8123)
WH=100 [(100-L)2+(a2+b2)]1/2
Measurement of opacity/yellowness/fluorescence whiteness (3.388Z-3Y)
Tristimulus values ​​X, Y, Z, x-y, L*a*b*, ΔL*Δa*Δb*ΔE
Spectral reflectance, spectral transmittance, spectral curve

accessories

Standard white board…………………..1 piece
Absorption tube (for zero point)………..1 piece
Opacity black board……………….1 piece
Spare light source lamp (12V100W)….1 piece
Spare fuse……………………..2 pieces
Connection cable……………………..1 set
Recording paper……………………..1 case
Instruction manual……………………..1 book