Model 4431 World's first 0-dB Function Sound Level Meter The new Kanomax sound level meter is designed to be compact, lightweight and easy to use. It complies with the type 2 ANSI S1.4 1983 standard , and has an innovative, unique 0-dB feature that eliminates the selfnoise of the microphone. This technology extends the lower limit of the measurement range to lower than 0 dB-SPL. Industrial Hygiene Investigations Noise Exposure Measurement Environmental Noise Measurement Sound Level Meter Model 4431 Specifications Lightweight and compact design Parameters: Lp, LA, LAeq, LAE, LAmax, LAmin, LAN, Lpeak, LAtm5 Ranges: A: 28 - 130 dB, Z 39 - 130 dB Measures Lp, Leq, Le, Lmax, Lmin and Lx Weighting: A, C and Z Equipped with a highly sensitive electret condenser microphone Time Response: Fast or Slow Large 4 digit display with 0.1 dB resolution with backlighting and analog bar graph Microphone: TYPE 7146nl (-28dB, Stand-alone -26dB) Standards: Type 2 standards for ANSI S1.4 1983, IEC 61672-1 Power Supply: 4 AA Batteries or optional AC Adapter (Battery life: approx. 9 hours) Size & Weight: W3.4" x H12.9" x D1.9", Approx 1 lb. A, C, and F weighting modes 28 to 130 dB measurement range Add additional functions with the program cards Includes SD card for data storage, windshield, carrying case, AA batteries, hand strap, and calibration certificate Specifications are subject to change without notice. Distributed by: Kanomax USA, Inc. P.O. Box 372 219 US Hwy 206, Andover, NJ 07821 U.S.A. TEL: 1-800-247-8887 (USA) / 1-973-786-6386 FAX: 1-973-786-7586 E-mail: [email protected] URL: www.kanomax-usa.com 20120530Rev1 Copyright C 2012 by KANOMAX USA, Inc.