Description of Compact Professional Triplett SoniChek 3550
Designed according to IEC651 (Type 2) and ANSI S1.4 (Type 2) standards with an accuracy of +/-1.5dB (94dB @ 1kHz). A/C weighted measurement with fast/slow response reads 30 to 130dB and has a frequency range of 31.5Hz to 8kHz. Features AC/DC analog output, analog bar graph, max hold, and tripod mount. Well suited for a variety of commercial and residential applications such as fire alarm, home theater, plant maintenance, HVAC installations and more. Includes windscreen, AC/DC analog output cables, USB cable (for power only), (4) AA batteries, and case.