{"product_id":"smart-sensor-class-1-sound-source-tester-for-sound-level-and-noise-level-st04a","title":"SMART SENSOR Class 1 Sound Source Tester For Sound Level And Noise Level, ST04A","description":"\u003cbr\u003e1. Accuracy: class 1\u003cbr\u003e2. Air Pressure compensation: automatic compensation\u003cbr\u003e3. Sound pressure level: 114.0dB and 94.0dB\u003cbr\u003e4. Frequency: 1000Hz\u003cbr\u003e5. Settling time: less than 15s\u003cbr\u003e6. Operating voltage range: 2.2V~3.4V\u003cbr\u003e7. Battery: 2 x 1.5V AA batteries (not included)\u003cbr\u003e8. Complies with authoritative standards GB\/T 15173-2010 and IEC 60942:2017, providing accurate sound pressure sensitivity calibration for testing microphones and acoustic measuring instruments.\u003cbr\u003e9. Switch sound pressure levels with the toggle button for faster and more convenient calibration.\u003cbr\u003e10. Dimensions: 72x72x42mm\u003cbr\u003e11. Weight: 96g\u003cbr\u003e\u003cbr\u003e","brand":"DropKart","offers":[{"title":"ST04A","offer_id":44491621597272,"sku":"TBD0606755501A","price":1084.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0721\/3947\/2984\/files\/TBD0606755501A.jpg?v=1785636970","url":"https:\/\/dropkartllc.com\/products\/smart-sensor-class-1-sound-source-tester-for-sound-level-and-noise-level-st04a","provider":"DropKart","version":"1.0","type":"link"}