{"product_id":"digital-sound-level-meter-extech-407730","title":"Digital Sound Level Meter Extech 407730","description":"\u003ch2 style=\"text-align: center;\"\u003eExtech 407730 Sound Level Meter for Accurate Noise Level Measurements\u003c\/h2\u003e\n\n\u003ch4 style=\"text-align: center;\"\u003eMonitor Environmental Noise with Professional Accuracy and Easy Operation\u003c\/h4\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\nThe Extech 407730 Sound Level Meter measures sound pressure levels from 40 to 130 dB with an accuracy of ±2 dB. Its digital display provides 0.1 dB resolution and features a fast-response analog bar graph for real-time monitoring. Users can select either A or C frequency weighting to suit different measurement applications. The Max Hold function captures the highest reading, making it ideal for environmental, industrial, HVAC, occupational safety, and laboratory noise assessments. The meter includes a microphone windscreen and four AAA batteries for immediate operation.\n\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003eMeasures sound pressure levels from 40 to 130 dB with ±2 dB accuracy.\u003c\/li\u003e\n\u003cli\u003eDigital display with 0.1 dB resolution for precise readings.\u003c\/li\u003e\n\u003cli\u003eFast-response analog bar graph for real-time sound monitoring.\u003c\/li\u003e\n\u003cli\u003eSelectable A and C frequency weighting for multiple applications.\u003c\/li\u003e\n\u003cli\u003eMax Hold function captures the highest measured value.\u003c\/li\u003e\n\u003cli\u003eHigh-quality 12.7 mm (0.5 in) condenser microphone.\u003c\/li\u003e\n\u003cli\u003eAC analog output for external recording or analysis.\u003c\/li\u003e\n\u003cli\u003eSelectable Fast or Slow response times.\u003c\/li\u003e\n\u003cli\u003eIncludes microphone windscreen to reduce wind interference.\u003c\/li\u003e\n\u003cli\u003ePowered by four 1.5 V AAA batteries.\u003c\/li\u003e\n\u003cli\u003eCE certified for safety and quality compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs\"\u003e\n\u003cli\u003e\u003ca class=\"active\" href=\"#tab1\"\u003eSpecifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab2\"\u003eIn the Box\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"#tab5\"\u003eDocuments\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cul class=\"tabs-content\" style=\"text-align: justify;\"\u003e\n\n\u003cli class=\"active\" id=\"tab1\"\u003e\n\u003ctable style=\"width: 80%; margin: auto; height: auto;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.7 mm (0.5 in) Condenser\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Weighting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA, C\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBasic Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 to 130 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFast \/ Slow\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 × 1.5 V AAA Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e230 × 57 × 44 mm (9 × 2.2 × 1.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 g (5.6 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli id=\"tab2\"\u003e\n\u003cul\u003e\n\u003cli\u003e1× Extech 407730 Sound Level Meter\u003c\/li\u003e\n\u003cli\u003e1× Microphone Windscreen\u003c\/li\u003e\n\u003cli\u003e4× AAA Batteries\u003c\/li\u003e\n\u003cli\u003e1× User Manual\u003c\/li\u003e\n\u003cli\u003e1× Traceable Calibration Certificate with Complete Data and Uncertainty Values\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli id=\"tab5\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca rel=\"noopener\" title=\"Extech 407730 Sound Level Meter\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0012\/4292\/3091\/files\/Manual_de_Usuario_de_EXTE-407730_en_ingles.pdf?v=1748977222\" target=\"_blank\"\u003e\nUser Manual (English)\n\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e","brand":"Extech","offers":[{"title":"Sin Nist","offer_id":45918606622803,"sku":"EXTE-407730","price":0.0,"currency_code":"USD","in_stock":true},{"title":"With Nist","offer_id":45918606655571,"sku":"EXTE-407730-NIST","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0228\/9323\/files\/Son_metro_Extech_407730Son_metro_Extech_407730407730_web_1_2.png?v=1786078580","url":"https:\/\/www.global.bioweb.co\/products\/digital-sound-level-meter-extech-407730","provider":"BIOWEB USA","version":"1.0","type":"link"}