Extech 407740
Three Range Type 2 Digital Sound Meter

• High accuracy to ±1.5 dB
• Read both A and C frequency weightings meets IEC 651 Type 2 standards
• 3 measuring ranges for greater accuracy
  • Low (30 to 80 dB)
  • Medium (50 to 100 dB)
  • High (80 to 130 dB)
• Large 0.7" 3-1/2 digit LCD, 0.1 dB resolution
• Max Hold function stores highest reading
• Fast (200ms) or slow (500ms) response time
• Utilizes 0.52" (13.2) mm condenser microphone
• AC and DC (10mV/dB) outputs are standard through a phone output terminal for connection to an analyzer or recorder plus tripod mount