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Your cart is empty.The Solarmeter Model 9.4 Blue Light Grow Meter is the ideal handheld device for monitoring the intensity and aging of blue LED/lamps, bilirubin phototherapy lights, aquarium lamps, acne lamps, and testing eyewear actinic blocking capabilities. Measure outdoor blue light and photosynthetic action spectrum blue band. Check that brand new bulbs are up to par with manufacturing standards and track their aging to replace them as soon as they're not working the way they should. The simple, one-hand operation of this device makes it easy to monitor blue light. Test your lamps with this practical light meter. It comes with a NIST Traceable Calibration Reference Card and runs on a single 9-volt DC Battery, which is included for your convenience.
NoCrap
Reviewed in the United States on May 5, 2017
This didn't work as described. It's not sensitive enough. The range is 0 to 199mw/CM2 but there is just that ONE range. Direct sunlight, pointing meter at the Sun on a bright sunny day is 8mw/CM2. So there is no use of the range above 10mw/CM2 unless you work with lasers. Held directly on a Full LED light used for magification ( a 10" circule with magnifying glass) type light and you get 3mw/CM2. This is a very strong LED light that you wouldn't normally look into. 1ft away it is 1.5mw/CM2. Any other light, the meter registers 0. Impossible to work with small blue light sources.Update: I noticed they do have a "Bilirubin" model which has a 0-1999uW/Cm2 sensitivity (essentially 0 to 2mw/CM2). I bumped up to 2 stars only as it should be easy to sell one unit with both ranges and the cut/paste of the features/capability from that model to this.
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