Measure Noise Levels for Firearm Product Testing

Whether you’re conducting range testing, suppressor development, or gunfire noise assessments, accurate sound level data is critical. We offer rental access to the Larson Davis Spartan 821IH-QPR Sound Level Meter, a powerful tool engineered to measure both suppressed and unsuppressed gunfire with precision.

Built for High-Impact Noise Environments

Gunfire—especially unsuppressed—is one of the most challenging sounds to measure accurately due to its short duration and extremely high decibel levels. The Spartan 821IH-QPR is designed specifically to handle these demands.

Equipped with a ¼” prepolarized pressure microphone, this rugged instrument can capture sound levels up to 183 dB, making it perfectly suited for measuring impulse noise from firearms, both suppressed and unsuppressed.

QPR Features

• Measure up to 183dB
• Class 1 Sound Level Meter
• 48 kHz sampling rate
• Simple setup for gunfire applications
• Easy-to-navigate touch screen
• Up to 40 hours battery life
• Bluetooth wireless communication
• Data logging in intervals of 1 second to 1 hour
• Monitor measurements effortless through LD Atlas mobile app

Ready to Measure with Confidence?

Don’t settle for guesswork when it comes to noise levels. Whether you’re looking to evaluate suppressor performance, meet OSHA/Hearing Conservation Program requirements, or conduct ballistics research, the Spartan 821IH-QPR delivers the precision and reliability you need. For questions, custom quotes, or technical support, contact our team today. We’re here to help you choose the right device for your job.

Compliance Safety Supply

4800 Dahlia St, C9, Denver, Colorado 80216

(720) 303-1777

service@compliancesafetysupply.com