{"product_id":"fdm01-a-weighted-digital-noise-meter-8417614528730","title":"FDM01 Digital Sound Level Meter with A-Weighting, FAST and SLOW Responses, MAX Hold and Rechargeable Battery","description":"\u003cp\u003eThe FDM01 measures sound levels from 30 to 130dB using A-weighting. Select FAST or SLOW response and read measurements on a four-digit display. A dynamic scale, MAX hold and overload indicators help track changes during a measurement session.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA-weighted measurements with FAST and SLOW response settings.\u003c\/li\u003e\n\u003cli\u003eFour-digit display with 0.1dB resolution and two samples per second.\u003c\/li\u003e\n\u003cli\u003eDynamic scale with 2dB divisions and two updates per second.\u003c\/li\u003e\n\u003cli\u003eMAX hold captures the maximum reading; OVER and UNDER indicate readings beyond the display range.\u003c\/li\u003e\n\u003cli\u003eAdjustable sensitivity, dual mode switching, a light alarm and a 15-minute automatic shutdown function.\u003c\/li\u003e\n\u003cli\u003eRechargeable 600mAh, 3.7V lithium battery. Blue and Yellow options retain their original color selection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eModel: FDM01; measuring range: 30-130dB; frequency range: 31.5Hz-8.5kHz.\u003c\/li\u003e\n\u003cli\u003eSpecified accuracy: ±1.5dB, based on a standard 94dB sound source at 1kHz.\u003c\/li\u003e\n\u003cli\u003eMicrophone: 6mm condenser; frequency weighting: A; response settings: FAST and SLOW.\u003c\/li\u003e\n\u003cli\u003eDigital resolution: 0.1dB; sampling: two times per second; dynamic scale division: 2dB.\u003c\/li\u003e\n\u003cli\u003eBattery: 600mAh, 3.7V lithium.\u003c\/li\u003e\n\u003cli\u003ePackage: one noise meter, one product manual, one packing box and one charging cable.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FNIRSI","offers":[{"title":"Blue","offer_id":53106644517175,"sku":"SHP-8730-EFB7B5","price":46.35,"currency_code":"USD","in_stock":false},{"title":"Yellow","offer_id":53106644549943,"sku":"SHP-8730-3C7D55","price":46.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/8115\/9991\/files\/fdm01-a-weighted-digital-noise-meter-8417614528730-b3183b6d32f58060.webp?v=1791341630","url":"https:\/\/ohmoratech.com\/products\/fdm01-a-weighted-digital-noise-meter-8417614528730","provider":"OHMORA TECH","version":"1.0","type":"link"}