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, backlit 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 backlit level range display with low, medium and high level readouts
Standard 9V battery operation with 50 hr. battery life
AC signal output
In the Box
Galaxy Audio CM-140 CHECK MATE - Battery Operated SPL Meter