3M SE Conformance to standards, Mechanical characteristics, Acoustics, EMC emissions and immunity

125 Appendix A APPENDIX

Specifications A

Conformance to standards

Acoustics

IEC 61672-1 (2003) (2002-05) - Electroacoustics, Sound level meters, Part 1: Specifications.

IEC 61672-2(2003-04)- Electroacoustics, Sound level meters, Part 2: Pat- tern evaluation tests.

IEC 61260 (1995-08)- Electroacoustics, Octave-band and fractional-octave- band filters.

ANSI S1.11-2004- American National Standard “Specification for Octave- Band and Fractional-Octave-Band Analog and Digital Filters.”

ANSI S1.4-1983 (R2001) - American National Standard “Specification for Sound Level Meters.”

ANSI S1.43-1997 (R2002) - American National Standard “Specifications for Integrating Averaging Sound Level Meters.”

Earlier standards - IEC 60651 and IEC 60804.

EMC emissions and immunity

Pending testing on production products.

References

Air temperature: 23◦ C

Static pressure: 101,325 kPa

Relative humidity: 50%

Level: 114 dB

Frequency: 1 kHz

Microphone Capacitance: 18 pf

Microphone Sensitivity: -28 dB

Range: 140 dB

Angle: 0◦

Mechanical characteristics

Housing - Stainless fiber-filled ABS/polycarbonate with internal EMC shielding.

Models SE and DL