NIST Traceable Certificate of Compliance - Sound Calibrators (requires calibrator purchase)

NIST Traceable Certificate of Compliance - Sound Calibrators (requires calibrator purchase)

Marsoni

M251S

$40.00

Get it in 3 business days with 1 day shipping. Friday, May 29

NIST Traceable Certificate of Compliance - Sound Calibrators (requires calibrator purchase)Certificate of Compliance for new Sper Scientific Sound Calibrators Sound meter calibrator will be calibrated and tested in our in house lab to confirm that it meets or exceeds published specifications. All certifications are performed using instrumentation and standards that are traceable to the National Institute of Standards and Technology (NIST). Includes Complete Documentation: Each certified product comes with: Serial Number Certification Label

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The spray is completely white and thick - absolutely NOT sheer in any way whatsoever. Out of the can it is chalky white, heavy consistency and is the same on the skin. Does not spread or rub in easily at all. Streaks everywhere, even after playing or being in water. I wouldn’t say that how it stays on the skin is a testament at all to its SPF protection, I think it’s just whatever sticky ingredients are used to mix with the zinc. Definitely would not purchase again or recommend.

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Reviewed in the United States on June 13, 2024

Verified Purchase

Baylee Ahnert

Natrona Heights, US

★★★★★ 4

Mostly good

Good sun protection but very hard to rub in

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Reviewed in the United States on May 26, 2026

Verified Purchase

A Smith

Carnegie, US

★★★★★ 5

Works

First this is zinc oxide. It is going to keep you from getting burned but will be able to see it. My family has yet to get sunburnt when wearing think brand sunscreen. To me that is what matters the most

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Reviewed in the United States on April 26, 2026

Verified Purchase

Debra

Boise, US

★★★★★ 5

Loved it! Buying again!

My husband usually only uses spray sunscreen, it was so awesome to find him a mineral based spray. The spray function on this is really smooth and makes applying really really quick. I will be buying again, this is definitely our staple sunscreen.

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Reviewed in the United States on April 20, 2026

Verified Purchase

Jenni B

San Leandro, US

★★★★★ 3

This product is not Sheer! Leaves a very visible white cast.

Don’t let this one fool you. Although this is a great brand and it does its job when it comes to sun protection, IT IS NOT SHEER! It left the worst white cast on my brown skinned baby. Left a really white cast on myself and I’m very fair skinned. Only reason I’m giving it 3 stars is because I purchased it because it claimed to be sheer and it is not.

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Reviewed in the United States on June 7, 2026