|
LS-100 |
LS-110 |
Type |
SLR spot luminance meter for measuring light-source and surface brightness |
Measuring angle |
1˚ |
1/3˚ |
Optical system |
85mm f/2.8 lens; SLR viewing system; flare factor less than 1.5% |
Angle of view |
9˚ |
Focusing distance |
1014mm to infinity |
Minimum measuring area |
Φ14.4mm |
Φ4.8mm |
Receptor |
Silicon photocell |
Relative Spectral Response |
Within 8%(f1') of the CIE spectral luminous efficiency V(λ) |
Response time |
Fast : Sampling time 0.1s, time to display 0.8 to 1.0s; Slow : Sampling time 0.4s, time to display 1.4 to 1.6s |
Luminance units |
cd/m2 or fL(switchable) |
Measuring range |
Fast : 0.001 to 299,900cd/m2
Slow : 0.001 to 49,990cd/m2 |
Fast : 0.01 to 999,900cd/m2
Slow : 0.01 to 499,990cd/m2 |
Accuracy |
0.001 to 0.999cd/m2
:±2%±2digits of displayed value
1.000cd/m2
or greater:±2%±1digit of displayed value |
0.01 to 9.99cd/m2
:±2%±2digits of displayed value
10.00cd/m2
or greater:±2%±1digit of displayed value |
(Illuminant A measured at ambient temperature of 20 to 30℃) |
Repeatability |
0.001 to 0.999cd/m2
:±0.2%±2digits of displayed value
1.000cd/m2
or greater:±0.2%±1digit of displayed value |
0.01 to 9.99cd/m2
:±0.2%±2digits of displayed value
10.00cd/m2
or greater:±0.2%±1digit of displayed value |
(Measurement subject : Illuminant A) |
Temperature/humidity drift |
Within ±3%±1digit(of value displayed at 20℃) within operating temperature/humidity range |
Calibration mode |
Minolta standard/user-selected standard(switchable) |
Color correction factor |
Set by numerical input; range 0.001 to 9.999 |
Reference luminance |
1; set by measurement or numerical input |
Measurement mode |
Luminance; luminance ratio; peak luminance or luminance ratio |
Data communication |
RS-232C |
External control |
Measurement process can be started by external device connected to data output terminal |
Power source |
One 9V battery, DP-10을 통한 power 공급 |
Operating temperature/humidity range |
0 to 40℃, relative humidity 85% or less(at 35℃) with no condensation |
Storage temperature/humidity range |
-20 to 55℃, relative humidity 85% or less(at 35℃) with no condensation |
Size |
79*208*150mm |
Weight |
850g |