User's Manual

whiteboard with a wiping cloth dipped in alcohol regularly, and remove the dust on the
working surface in time when correcting.
3) In order to ensure the validity of the measurement data, it is recommended that the
complete instrument and the whiteboard should be inspected by the manufacturer or a
qualified metrology institute for one year from the date of purchase.
4) Please do not disassemble the instrument privately. If you have any questions, please
contact the relevant after-sales staff, tearing off the easy-to-tear label will affect the after-
sales maintenance of the instrument.
5. Technical parameters
Optical Geometry
D/8
（
Diffuse illuminance, 8°reception, SCI
）
,
Conforms to standards CIE No.15
，
GB/T 3978.
Features
Used for color difference quality control in plastic
electronics, paint and coating, textile and garment
printing and dyeing, ceramics and other industries;
Small size, easy to carry, search for the color cards
and multifunction expanded through smartphone
APP
Integrating Sphere
Size
Φ20mm
Illuminant Device
Full spectrum LED light source
Spectro Method
Filter spectro
（
Some models do not have this
function
）
Sensor
CMOS sensor
Wavelength Range
400
～
700nm
Measuring Aperture
Φ8mm
SCI/SCE
SCI
Color Space
CIE LAB, XYZ, Yxy, LCh, CIE LUV, s-RGB,
HunterLab, βxy, DIN Lab99
（
Different models are
different
）
Color Difference
Formula
ΔE*ab,ΔE*uv,ΔE*94,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*0
0, DINΔE99,ΔE(Hunter)
（
Different models are different
）