Sound Level Meter

EXTECH 407740 Digital Sound Level Meter

Product Highlights:

• 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 range (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 standard
• Complete with 9V battery and carrying case

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EXTECH 407750 Digital Sound Level Meter with PC Interface

Product Highlights:

• Auto/Manual ranging from 30 to 130dB in 6 ranges
• Meets ANSI and IEC Type 2 standards
• A and C selectable frequency weightings
• Fast and Slow selectable response times
• Background noise absorber mode for machine noise measurements filters ambient noise
• Large 3 1/2 digit display with 0.1dB resolution with backlighting and analog bargraph
• Electret condenser microphone provides 1.5dB accuracy
• Min/Max plus analog output and tripod mount
• Max Hold latches maximum value on display
• RS-232 interface for capturing data directly on a PC, optional Windows® software
• Complete with batteries and case

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For Technical assistance or for price quote please call 1-800-547-6557 or E-mail

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