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Dual Scotopic /
Photopic Meter |
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Model SL-3101 for the
creation of scotopically enhanced lighting designs
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The Solar Light SnP-meterTM Model SL-3101 is a portable and innovative meter. It measures spectral response following the CIE scotopic and photopic action spectrum with on board
calculations: |
 | S/P ratio |
| Visually effective light level |
| Perceived brightness |
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| This meter is used by lighting design professionals, researchers, lamp and ballast manufacturers, and energy management consultants. |
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Model SL-3101 includes:
Meter, Detectors, Power cable, and Carrying case. |
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FEATURES
| Dynamic range: 2.6 million |
Data logging
output to PC |
| On-board calculations |
NIST traceable calibration |
| Perceived brightness |
Selectable
units |
| S/P ratio |
Onboard
microprocessor |
| Visual effective lighting |
0.003% Non-linearity |
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APPLICATIONS
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Architectural lighting design |
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Lighting efficiency measurements |
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Energy efficiency designing |
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Scotopic lighting research |
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METER SPECIFICATIONS
| Dynamic range |
2.6 x10^6 (6.5 digits) |
| Accuracy |
Within 0.2% FS |
| Non-linearity |
0.003% integral non-linearity |
| Temperature coefficient |
50 PPM/°C Max. |
| Sampling rate |
3 per second |
| Screen refresh rate |
10 per sec. |
| Operating temperature |
0 to 50°C (non-condensing) |
| Batteries 4xAA |
Alkaline batteries |
| Battery life |
>40 hours continuous use |
| External power |
9-12V AC or DC adapter. 100mA min. |
| Weight |
18 oz. (510 g) |
| Size |
4”W x 1.75”D x 7.6”H (10 x 4.35 x 19.3 cm) |
| LCD Size |
2.5” x 0.5” (6.4 x 1.3 cm) |
| Program control |
9-button keypad |
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| Photopic Angular
Response |
Photopic Spectral
Response |
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| Scotopic Angular
Response |
Scotopic Spectral
Response |
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