Scarlet - Model ST-109/107S - Class 1 - Sound Level Meter - User Manual

Scarlet ST-109 A high performance Integrating Sound Level Meter which conforms to international standard IEC61672 Class 1. Scarlet ST-107S Conforms to IEC61672 Class 2 which makes itself outstanding since other class 2 instruments claimed in the market are rarely true. Both models measure SPL, Lmax, Lmin, Leq, SEL, Peak and RT60. Frequency weighting (A, C, Z) and time weighting (F, S, I) can be simultaneously surveyed. With the state-of-art microphone technology, the dynamic range is greater than 100 dB and user doesn`t need to select the measuring range prior to taking readings.