Topcon SR-LEDW User Manual

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Initial bite
Function
Data type
Size
Qty of
element
Remarks
2450
Wave length
Unsigned
integer
2
1
780 (fix)
2452
Spectral Radiance
Floating point
4
1
Spectral Radiance at
780nm
2456
“END”+Cr+Lf Fix
Character
code
1
5
Data size
2460B
3 Data (When error happen）
Initianl bite
Function
Data type
Size
Qty of
element
Remark
1
Error code
Character
code
1
4
5
“END”+( Cr･Lf)
Character
code
1
5
Data size
9
Error code
☞
’5.2 Error Code in communication’
(4) “STCT” Command
When the measurement is conducted by order of STCT command, the measured data is returned with
comma separated text data from the instrument as follows;
Type Output data Remarks
1 1.490E+02,0.4458,0.4073+(Cr･Lf) Luminance, Chromaticity x, y
“END”+(Cr･Lf) Data end command
2 1.490E+02,0.2549,0.5240+(Cr･Lf) Luminance, Chromaticity u’, v’
“END”+(Cr･Lf) Data end command
3 1.631E+02,1.490E+02,5.374E+01+(Cr･Lf) Tristimulus values X, Y, Z
“END”+(Cr･Lf) Data end command
4 1.631E+02,1.490E+02,5.374E+01, Tristimulus values X, Y, Z,
0.4458,0.4073+(Cr･Lf) Chromaticity x, y
“END”+(Cr･Lf) Data end command
5 1.631E+02,1.490E+02,5.374E+01, Tristimulus values X, Y, Z,
0.2549,0.5240+(Cr･Lf) Chromaticity u’, v’
“END”+(Cr･Lf) Data end command
6 2882,0.0002+(Cr･Lf) Correlated color temperature (K), Deviation
“END”+(Cr･Lf) Data end command
7 2.141231E-04,2.420037E-04･････, Spectral radiance
4.325765E-03,4.294558E-03+(Cr･Lf) (380nm to 780nm)
“END”+(Cr･Lf) Data end command
8 554, Wavelength position,
4.294558E-03+(Cr･Lf) Maximum Spectral radiance
“END”+(Cr･Lf) Data end command
*When measurement is done in the colorimetry mode (D1 STCT), the data end command "END"
returned.

Topcon SR-LEDW Specifications

General

Brand	Topcon
Model	SR-LEDW
Category	Measuring Instruments
Language	English