Solar power research and testing
Heating and air conditioning

Physics and optical laboratories


Very wide and flat spectral response
Excellent long term stability
Cosine corrected

NIST traceable calibration
ISO classified

Low cost
Bubble level


Response time:

18 seconds (95%)

Sensitivity change/year:



<1.0% (1000W/m2)

Temperature dependence:

<2% (-10 to 40°C)

Angular response:

1% for angles <70°

Zero offsets:

<15W/m2 @200 W/m2 thermal radiation


4,000 W/m2, 400 mW/cm2

Display Resolution

1.0 W/m2, 0.1 mW/cm2

Operating environment:

-40 to 175 °F (-40 to +80 °C), outdoors

Temperature coefficient:

<5% (-10 to +40°C)


30ft, 9m

Diameter with Sun Screen:

2.375" (60.3 mm)

Diameter Without Sun Screen:

3.08” (78.11mm)


3.31" (84.0mm)


11oz (0.31kgram)
Spectral Response
310-2800nm FWHM Figure 1


• PMA 2145 CLASS I PYRANOMETER Sensors_PMA2145.pdf
Solar Light offers sensor and detector options for use in a wide range of applications.
Sensor and Detector Options
Sensors must be used with a Solar Light Radiometer.
Included 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.