Used for HVAC, building and other industrial acoustics measurements, Scantek's new CESVA SC-30 is a Type 1 real-time octave band analyzer with frequency range from 31.5 Hz to 16 kHz. The unit allows complete measurements without the need for range switching, featuring a single 23-140 dB dynamic range, reverberation time calculations and large-capacity memory.Scantek, Inc., Columbia, MD.