DSM-1 Digital Sound Meter

Highly accurate SPL meter

• Highly accurate SPL meter with 2 level ranges measuring between 30dB and 130dB @ 32Hz-8KHz
• Full professional features include easy-to-read 4-digit LCD display with selectable permanent backlight; selectable A or C weighting and Fast or Slow response; maximum Hold selector with Hold button to capture input at any time; alarm indicating the input is above range; internal battery tester; built-in calibrated, linear omnidirectional 1/2" electret condenser microphone; and threaded insert to attach to optional SMT-3 tripod or standard camera tripod
• Uses 9VDC alkaline battery with up to 50 hours battery life
• Foam windscreen, sturdy vinyl carrying case, and battery included