New to Galaxy Audio’s Audio Solutions line is the Check Mate CM100 SPL meter. The Check Mate is a mini size, low cost, high performance IEC 651 Type II sound pressure level meter with MAX/MIN function, Level Range Display, AC Signal Output, and a Resolution of 0.1 dB. The Check Mate features an electret condenser microphone, an accuracy of ±1.5 dB (ref 94dB @1KHz), Selectable Level Ranges of Lo = 35 ~ 80 dB, Med = 50 ~ 100 dB, & Hi = 80 ~ 130 dB, Frequency Weightings A & C, Time Weightings Fast & Slow, an auxiliary AC Signal Output with a Dynamic Range of 50 Db, and a Frequency Range from 31.5Hz to 8KHz. The Check Mate CM100 will operate for up to 50hours on an alkaline 9V Battery (NEDA 1604, IEC 6F22, JIS) IEC 651 Type II, ANSI S1.4 TypeII, in temperatures ranging from 0°C~ 40°C (<80% R.H). Measuring 9.1” ×2.1” ×1.3” (232mm×54mm×34mm), and weighing only 0.54lbs. (200g) the Check Mate CM100 comes complete with Owner’s Manual, 9V Battery, and Windscreen