It's Not All Sparkle. It's Spectrum and Cosine Correction: Your Guide to Buying a Light Meter - kW Engineering
Bilirubin light measurement system ILT | Quantum Design
Solarmeter Model 9.4 Visible Blue Light Meter, Handheld Digital Radiometer and Light Bulb Tester for Measuring Blue Light for Aquarium Lamps, Acne & Bilirubin Phototherapy, 0-1999 μW/cm², Made in USA: Amazon.com: Industrial
Compact light meter - ILT750 - International Light Technologies - digital
Blue Light Measuring | UPRtek
3.75'' Chorme Car Tachometer Gauge Tacho Meter Shift Blue LED Light 0-8000 RPM – ASA College: Florida
NIST, Blue Light Radiometer, Measures 432-499nm light, Range of 0-199.9 mW/cm², Model 9.4 Standard Blue Light Meter
LX-1010B Digital Light Lux Meter 0 - 50,000 Lux Camera Photo – Gain Express
Solarmeter Model 9.4 Visible Blue Light Meter, Handheld Digital Radiometer and Light Bulb Tester for Measuring Blue Light for Aquarium Lamps, Acne & Bilirubin Phototherapy, 0-1999 μW/cm², Made in USA: Amazon.com: Industrial
VWR®, Light Meter | VWR
Solarmeter Model 9.2 Bilirubin Light Meter - Measures 422-499nm with Range from 0-1999 µW/cm² Blue Light: Amazon.com: Industrial & Scientific
REED Instruments Light Meter R8130 - The Home Depot
I think I see the light (meter): how to buy one | The Machine Planet
Extech LT45 LED Light Meter | Light Meters | Instrumart