Keterangan
Sound Level Meter with PC Interface 407750
Mfg : EXTECH
Features:
Meets ANSI & IEC 651 Type 2 standards
Background noise absorber for machine noise measurements filters ambient noise
30 to 130dB measurement range with ± 1.5dB accuracy
Large display with backlighting and analog bargraph
MIN/ MAX, Auto/ Manual Ranging
Analog AC/ DC outputs for connection to a recorder
RS-232 interface for capturing data directly on a PC
Tripod mount ideal for field use
For complete specs please download the product datasheet ( not available for some accessories)
Specifications
Digital Display 3-1/ 2 digit ( 1999count) Autorange LCD
Bargraph Display 50dB display range ( 1dB resolution) ;
Measurement Range 30 to 130dB ( 31 to 130dB for " C" weighting)
Resolution 0.1dB
Accurancy ± 1.5dB @ 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 0.5 seconds
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� 3.1� 1.5" ( 256� 80� 38mm)
Weight 85oz.( 240g)