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KONICA MINOLTA - Luminance Meter
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Brand: Konica Minolta
Model: LS-150
Product Introduction:
Konica Minolta luminance meter LS-150 is a highly accurate and easy-to-use luminance meter with a minimum measuring area of 14.4 mm diameter with greatly improved luminance range of up to 999,900 cd/m². The LS-150 luminance meter conforms to DIN 5032-7 Class B. LS-150 uses a newly designed sensor with a spectral response that more closely match the V(λ) spectral luminous efficiency function of the human eye to provide measurement results that correlate well with visual evaluation.
Luminance meter LS-150 uses a SLR (single lens reflex) optical system that provides users with several important capabilities. Very small areas, even down to 1.3 mm in diameter (when closed-up lens is used) can be measured accurately. Measurement areas at distances both long and short show up consistently in the viewfinder. This flexibility allows even those who have never used the instrument to gather precise measurement results.
LS-150 is build on the key design features of their predecessors with new features, improved accuracy and increased measurement range.
Product Specification:
| Model | LS-150 Luminance Meter |
|---|---|
| Measuring angle | 1° |
| Optical system | SLR viewing system, f = 85 mm F2.8 |
| Angle of view | 9° (with diopter adjustment) |
| Relative spectral responsivity | Closely matches spectral luminous efficiency (V (λ)) |
| Application standard | DIN 5032-7 Class B compliant |
| Minimum measuring area (diameter) |
14.4 mm (1.3 mm when close-up lens is used) |
| Minimum measuring distance (From the measuring distance reference plane) |
1,012 mm (213 mm when close-up lens is used) |
| Measurement mode | Instantaneous value, maximum/minimum value, luminance difference (Δ)/luminance ratio (%) |
| Measurement time | Auto: 0.7 to 4.3 seconds Manual: 0.7 to 7.1 seconds |
| Luminance unit | cd/m2 or fL |
| Luminance range | 0.001 to 999,900 cd/m2 |
| Accuracy*1 |
(1 cd/m2 or less) +/-2% +/- 2 digit (1 cd/m2 or more) +/-2% +/- 1 digit |
| Repeatability*1 | 0.2% + 1 digit |
| Calibration standard | Konica Minolta standard/user-specified standard switchable |
| User calibration channels | 10 channels |
| Data memory | 1,000 data |
|
External display (Number of significant digits) |
(Luminance) 4 digits (Chromaticity) 4 digits |
|
Internal display (Number of significant digits) |
(Luminance) 4 digits |
| Interface | USB 2.0 |
| Power | AA-size batteries (x2), USB bus power, or optional AC adapter |
| Current consumption | When viewfinder display is lit: 70 mA average |
| Operation temperature/humidity range | 0 to 40°C, relative humidity of 85% or less (at 35°C) |
| Storage temperature/humidity range | 0 to 45°C, relative humidity of 85% or less (at 35°C) |
| Size | 71x214x154 mm |
| Weight | 850 g (without batteries) |
| Standard accessories |
Lens Cap Eyepiece ND Filter Eyepiece Cap AA-size batteries (x2) Hard Case CS-A12 Wrist Strap CS-A13 USB Cable T-A15 Data Management Software CS-S20 |
| Optimal accessories |
Close-Up Lens No. 153/135/122/110 CCD Camera Adapter CS-A14 Illuminance Adapter CS-A15 AC Adapter AC-A305J/L/M |
| Specifications are subject to change without notice. | |
| *1 Standard Illuminant A; Standard measurement distance; Measurement time setting: Auto | |