About This

  • Standard Blue Light Meter - Measures 422 nm to 499 nm; An essential tool for monitoring the intensity and aging of blue LED/lamps, aquarium lamps, acne lamps, and testing eyewear actinic blocking capabilities; Also measures outdoor blue light and photosynthetic action spectrum blue band for gardening
  • Get an Accurate Reading - Don't take chances with ineffective or out of spec bulbs in your facility's medical equipment; Checking the intensity of bilirubin phototherapy bulbs is essential; Now it's easier than ever to maintain your Bili Light
  • Change Your Lamp Bulbs on Time - Special purpose bulbs decay over time and stop emitting the amount of blue light that they should, leading to undesirable results; With our Solarmeter, keeping track of your bulb's performance is easier than ever, and so is knowing when it's time to change it
  • Easy-to-Use - Compact, handheld, and durable, our Solarmeter Blue Light Tester features simple-single button operation and an easy-to-read LCD Display; Powered by one 9-volt DC Battery (included) which lasts up to 2 years depending on use, this UVC light meter boasts NIST Traceable accuracy
  • About Us - Solarmeter by Solar Light Company Inc. is the industry standard for UV and visible light radiometers that measure both indoor and outdoor light sources. Our NIST Traceable meters are used to monitor lamp irradiance and aging for UV sterilization, reptile husbandry, indoor tanning, red/blue light phototherapy, UV curing and UV Index

Made with care

Heirloom quality

Premium materials

Classic styling

Styled With

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, 0-199.9 mW/cm²

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Frequently Asked Questions

We do not currently offer free shipping. However, this may be added at some point. We apologize.

Shipping takes place within 3-5 business days. If there is a problem with the shipment of the product, we will notify you via the email address you entered when ordering.

If your order has been shipped, we will add the tracking number to your order and notify you via the email address you entered when ordering.

For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.