Extech 407740 3 range Big Digit Sound Level Meter

This device measures sound in decibels (dB). Useful features include A/C Weighting, Fast/Slow Response Time, and Maximum Reading HOLD. Careful use of this meter will provide years of reliable service. Features: - High accuracy to ±1.5 dB - Read both A and C frequency weightings, meets IEC 651 and ANSI Type 2 standards - 3 measuring ranges for greater accuracy - Low (30 to 80dB), Medium (50 to 100dB), High (80 to 130dB) - Large 0.7" 3-1/2 digit LCD, 0.1dB 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 - Complete with 9V battery and carrying case

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