Why You Shouldn’t Use Solar Power Meters For Red Light Therapy Devices

Solar power meters are notoriously inaccurate for measuring light irradiance from red light therapy units, here’s proof.

Photography by Author

Testing the Tenmars Solar Meter

Testing Procedure

Photograph courtesy Images SI Inc.
Table by Author

Confirming the Accuracy of the Apogee Meter

Table by Author

Putting It All Together

Table by Author

Conclusion

Accuracy of the Apogee PAR Meter

Chart by Author
Chart by Author

Who is Apogee Instruments?

Science writer, thinker, self-experimenter, focusing on personal development and health — www.john-iovine.com

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