Jual Extech 407750 Sound Level Meter

Extech 407750 Sound Level Meter

Features Extech 407750 Sound Level Meter:

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
Electrict 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® compatible software Complete with batteries and carrying case

Applications:

Machine noise evaluation
OSHA compliance testing
Community noise measurement
Noise ordinance
PC interface for data collection

Specifications Extech 407750 :

Digital Display 3-1/ 2 digit ( 1999 count) Autorange LCD
Bargraph Display 50dB display range ( 1dB resolution) ;
Measurement Range 30 to 130dB ( 35 to 130dB for “ C” weighting)
Resolution 0.1dB
Accuracy ± 1.5 dB @ 94dB for a 1kHz sine wave
Microphone Electret Condensor .24 " ( 6mm dia.) type
Frequency Weighting “ A” and “ C” type
Time Response Slow/ Fast
Sampling time updates every 0.5seconds
Measurement frequency range 31.5Hz to 8KHz
Analog output AC: 0.707Vrms ( full scale) ; DC: 10mVDC/ dB
Applicable Standards IEC 651 Type 2, ANSI S1.4 Type 2
Power Supply 9V battery , optional AC adaptor
Dimensions 10 x 3.1 x 1.5 " ( 256 x 80 x 38mm)
Weight 8.5oz. ( 240g)

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