Kanomax 4431-1G Sound Level Meter with 0dB Function, 3.4" Width x 12.9" Height x 1.9" Depth

Kanomax sound level meter with 0dB function is lightweight and compact design. A, C, and F weighting modes. 28 to 130 dB measurement range. Measures Lp, Leq, Le, Lmax, Lmin and Lx. Equipped with highly sensitive electret condenser microphone. Large 4 digit display with 0.1 dB resolution with backlighting and analog bar graph. Add additional functions with the program cards. Includes SD card for data storage, windshield, carrying case, AA batteries, hand strap, and calibration certificate. Parameters: Lp, LA, LAeq, LAE, LAmax, LAmin, LAN, Lpeak, LAtm5. Ranges includes A: 28 - 130 dB, Z 39 - 130 dB. Weighting: A, C and Z. Time response: fast or slow. Microphone: TYPE 7146nl (-28dB, Stand-alone -26dB). Standards: Type 2 (4431) standards for ANSI S1.4 1983, IEC 61672-1. Power supply: 4 AA batteries or optional AC adapter (battery life: approximately 9 hours). Measures 3.4-inches width by 12.9-inches height by 1.9-inches.