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Hi, I am Businessman I found this sample from https://www.indotrade.co and think it might be useful to you. ------------------------------------------------------- EXTECH 407355 Digital Noise Dosimeter Datalogger with PC Interface • Perform OSHA and IEC Noise accumulation surveys • Adjustable Criterion Level, Exchange Rate, and Threshold • Applications include Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances • Datalogs up to 4500dB readings when used as a sound level meter • Optional 94/ 114dB calibrator to perform “ before” and “ after” calibration checks per ANSI standards • Stores up to 5 dosimeter surveys. Data includes Start/ Stop Time, % Dose, TWA, peak flags, when used in the Dosimeter mode • Bi-directional RS-232 with Windows® 95/ 98/ NT/ 2000/ ME/ XP compatible software to control setup and retrieve stored events or analyze real time measurements. Complete with 9 pin to 25 pin adaptor, and RS-232 cable. • Includes belt clip and clip-on 0.5” microphone with 2.6ft ( 0.8m) cable, 4 AAA batteries, mini screwdriver and carrying case, software, and cables Standards Meets: ANSI S1.25( 1991) Type 2, ISO-1999, BS 402 ( 1983) Range/ Resolution: 70 - 140 dBA / 0.1dB Digital Display LCD: 0.01-9999% Criterion Level 80, 84, 85, or 90dB Exchange Rate 3, 4, 5 or 6 dB Threshold Level 70-90 ( 1db steps) Frequency weighting A Response Rate Fast or Slow High Level Detector/ Peak Flag 115dB / 140dB Dimensions/ Weight: 4.2 x 2.5 x 1.3” ( 106 x 64 x 34mm) 8oz. ( 227g) incl.batteries Microphone 1/ 2 inch electret condenser with 31” cable Battery Life 34 hrs Event Storage 5 surveys RS232 Interface yes Real time clock yes For detailed information, please go to http://www.indotrade.co/inst/2858609
0.0072 194.163.150.105