3M Personal Safety Division 3M Sound Examiner Sound Level Meters SE-400 ™ Measurement For Challenging Environments Certified. • ed models have Intrinsic Safety approvals R User Friendly. • ntuitive interface allows for out-of-box use with little to no training I • ser selectable data logging intervals for download and analysis with 3M Detection U Management Software (sold separately) • veraging functionality allows for easy measurement in variable environments A TM Versatile. • rinting capability with optional digital printer* provides hard copy documentation in the field P • hoose from models with Class/Type 1 or Class/Type 2 microphones, dependent on C your application • E-401 and SE-402-R models include removable preamp* S Accurate. • eets applicable industry standards M • seful tool as part of a Hearing Conservation Program; be confident that data collected is accurate U *Available on non-Intrinsically Safe models only. SE-401, SE-402 and SE-402-R non-Intrinsically Safe Models SE-401-IS and SE-402-IS Intrinsically Safe Models To learn more about 3M Detection Solutions products, see www.3M.com/Detection. The power to protect your world.

3M Sound Examiner Sound Level Meters SE-400 ™ Accurate and Intuitive Analysis Choose the Model That Best Meets Your Needs Data Logging Aerodynamic shape External AC/DC output • inimizes disturbance to sound fields being M measured, assuring accurate readings. Serial printing for SoundPatrol feature Models for many applications • ser can specify microphone type (Class/ U Type I or Class/Type II) based on application. • elect Type II for general duty; Type I S accuracy for legal metrology. Sound Examiner Sound Examiner Sound Examiner Sound Examiner Sound Examiner SE-401 SE-402 SE-402-R SE-401-IS...

3M Sound Examiner Sound Level Meters SE-400 ™ Specifications Measurements Power / Electrical Characteristics Battery: Lithium Polymer: 2500 mAHr for standard models / 1500 mAHr for IS models, rechargeable. Run-Time: 18 hours minimum (excluding the backlight) for standard models / 8 hours for IS models Battery Life: Battery Charge: USB charger is provided with instrument. Battery charge time: 8 hours (approx.) Internal Memory: 1-minute logging) 2MB (34 days at Parameters: SPL, L Max, LMin, L Pk (peak), L EQ /L AVG, L E, Elapsed Time Peak and Frequency Weighting: A, C, Z Response Time: Fast and...