Extech 407750 Sound Level Meter with PC Interface
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The 407750 Sound Level Meter with PC Interface has a large backlit display, PC Interface and background sound absorber for noise measurements with high ambient noise levels. It features A/C Weighting, fast/slow response time, Min/Max, and analog AC/DC outputs for connection to a recorder. Complete with microphone wind screen, 9V battery and case.
Features
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Auto/Manual ranging from 30 to 130dB in 6 ranges
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Meets ANSI and IEC Type 2 standards
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A and C selectable frequency weightings
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Fast and Slow selectable response times
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Background noise absorber mode for machine noise measurements filters ambient noise
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Large 3 1/2 digit display with 0.1dB resolution with backlighting and analog bargraph
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Electret condenser microphone provides 1.5dB accuracy
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Min/Max plus analog output and tripod mount
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Max Hold latches maximum value on display
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RS-232 interface for capturing data directly on a PC, optional Windows® compatible software
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Complete with batteries and carrying case
Specification
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Digital Display: 3-1/2 digit (1999 count) Autorange LCD
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Bargraph Display: 50dB display range (1dB resolution)
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Measurement Range: 30 to 130dB (35 to 130dB for “C” weighting)
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Resolution: 0.1dB
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Accuracy: ±1.5 dB @ 94dB for a 1kHz sine wave
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Microphone: Electret Condensor .24"(6mm dia.) type
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Frequency Weighting: “A” and “C” type
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Time Response: Slow/Fast Sampling time updates every 0.5seconds
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Measurement frequency range: 31.5Hz to 8KHz
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Analog output: AC 0.707Vrms (full scale); DC: 10mVDC/dB
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Applicable Standards: IEC 651 Type 2, ANSI S1.4 Type 2
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Power Supply: 9V battery , optional AC adaptor
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Dimensions: 10 x 3.1 x 1.5"(256 x 80 x 38mm)
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Weight: 8.5oz. (240g)