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🎯 Calibrate Like a Pro, Anywhere, Anytime!
The Extech 407744 Sound Level Calibrator generates a precise 94 dB, 1 kHz sine wave with ±0.5 dB accuracy, compatible with 0.5″ and 1″ microphones. Its rugged aluminum housing ensures durability in demanding environments, while the built-in battery test LED guarantees reliable operation. Certified to IEC 60942 standards, it includes all essentials—batteries, screwdriver, and carrying case—for professional-grade sound meter calibration on the go.
| Customer Reviews | 3.7 out of 5 stars 11 Reviews |
H**.
Not a good system
This whole Extech system is bad. Sound monitor burns through batteries, turns off on its own, doesn’t save data.
G**L
I need the certification of calibration of this calibrator please answer me
I need the certificationof this calibrator I really need it, it doesnt come with the product. I first buy this product to calibrate my Extech HD600 but I realized that this item doesnt come with a calibration certificate that I need to present for a project, without this its is useless.
A**R
No funciona correctamente
Entrega un nivel de sonido de 95.2 dB SPL y no de 94.0 dB SPL como deberia hacerlo de acuerdo a las especificaciones
M**I
Working companion
I love it! Used this baby almost everyday since i bought it and the data result is precisely as expected! Good bargain!
Trustpilot
2 months ago
2 months ago