The Galaxy Audio CM-140 CHECK MATE is a lightweight, 9V battery-operated SPL meter with a built-in electret condenser microphone and a large display featuring low, medium, and high level range readouts. This high-tech but inexpensive meter offers selectable fast and slow response times, AC signal output, and large, easily accessible selector buttons.
Lightweight, miniature SPL meter with 0.1 dB resolution
Built-in electret condenser microphone with windscreen
Large level range display with low, medium, and high level readouts
Standard 9V battery operation with 70-hour battery life
AC signal output
UPC: 691281410000