| 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 |
