Applications

Architectural Lighting Design
Lighting Efficiency Measurements
Energy Efficiency Designing
Scotopic Lighting Research

Meter Specifications

Dynamic range:

2.6 x10^6 (6.5 digits)

Temperature coefficient:

50 PPM/°C

Batteries:

4xAA Alkaline batteries

Battery life:

>40 hours continuous use

Accuracy:

Within 0.2% FS

Max. Sampling rate:

3 per second

Screen refresh rate:

10 per sec.

Operating temperature:

0 to 50°C (non-condensing)

Program control:

9-button keypad

Non-linearity:

0.003% integral non-linearity

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)
Photopic Detector Specifications

Spectral response:

Follows CIE photopic spectral luminous efficiency curve (400-700nm) Figure 1

Angular response:

5% for angles <60°

2120resp

Range:

PMA2130SP - 150,000 Lux, 14,000 ft-cd

Display resolution:

PMA2130SP - 1 Lux, 0.1 ft-cd

Operating environment:

32 to 120 °F (0 to +50 °C) no precipitation

Diameter:

1.6" (40.6 mm)

Height:

1.8" (45.8 mm)

Weight:

7.1 oz. (200 grams)
Scotopic Detector Specifications

Spectral response:

Follows CIE scotopic spectral luminous efficiency curve (400-600nm) Figure 1

Angular response:

5% for angles <60°

2120resp

Range:

PMA2131SP - 150,000 Lux, 14,000 ft-cd

Display resolution:

PMA2131SP - 1 Lux, 0.1 ft-cd

Operating environment:

32 to 120 °F (0 to +50 °C) no precipitation

Diameter:

1.6" (40.6 mm)

Height:

1.8" (45.8 mm)

Weight:

7.1 oz. (200 grams)
Literature

• SL-3101 SPMETER DUAL SCOTOPIC / PHOTOPIC METER Meters_SL-3101-.pdf

• SOLAR LIGHT SnP Meter SL 3101 Practical Use of the SnP Meter.pdf

• Quick Start SnP Meter™ 3101-001 Quick Start SnP Meter SL3101-001.pdf

• User's Guide SL3101 F Rev A.pdf


Downloads

• Office of Energy Efficiency & Renewable Energy - U.S. Department of Energy
"Energy Conservation Using Scotopically Enhanced Fluorescent Lighting In An Office Environment"

• U.S Department of Energy and Pacific Gas & Electric Company in the City of Oakland CA.
"Demonstration Assessment of Light Emitting Diode (LED) Street Lighting"

• Pacific Northwest National Laboratory for U.S. Department of Energy
"Spectrally Enhanced Lighting Program Implementation for Energy Savings"
Included Accessories
Stand for 2 sensors
Hard carrying case with storage for meter and 2 sensors
NIST traceable meter calibration certificate
Required Accessories

1 year Standard Warranty

SOLAR LIGHT COMPANY warrants that the equipment has been carefully tested, inspected and left the Factory in proper working condition, free of visible defects.  SOLAR LIGHT COMPANY warrants the equipment to be free from defects in material and workmanship, under normal use and operation, for a period of one (1) year after the date of initial operation, or demonstration; or eighteen (18) months from the date of shipment from the Factory; or whichever occurs first. The warranty is limited to the free replacement of all-defective parts and free labor during the first year of warranty.  Defective parts replaced under this warranty shall become the property of SOLAR LIGHT COMPANY. The above stated Warranty is subject to the following conditions: Equipment being installed within the United States of America, Canada, or sold by authorized SOLAR LIGHT COMPANY representatives or their agents outside the continental United States. The equipment being installed is operated and maintained in accordance with SOLAR LIGHT COMPANY’s operating instructions, maintenance instructions and specifications. Utilization of only SOLAR LIGHT COMPANY’s authorized parts and components.  The utilization of a duly authorized representative for all work performed on SOLAR LIGHT COMPANY equipment during the warranty period.  Any variation(s) to the above warranty must be in writing and mutually acceptable by SOLAR LIGHT COMPANY and the customer. The warranty shall not apply to damages resulting from errors in installation, nor shall it apply to any equipment, which has been subject to damages, alterations or misuse by the purchaser.  Parts of the equipment, which would be generally considered as expendable service items during normal use, such as fuses, lamps, detector shields, etc., are not covered under the warranty. THERE ARE NO WARRANTIES, WHICH EXTEND BEYOND THIS DESCRIPTION, AND EXPRESSLY NO IMPLIED WARRANTY OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SOLAR LIGHT COMPANY BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OR ANTICIPATED LOSS OF PROFITS SUFFERED BY THE PURCHASER.