{"id":10063,"date":"2024-12-06T05:43:59","date_gmt":"2024-12-06T05:43:59","guid":{"rendered":"https:\/\/toprisesafety.com\/?p=10063"},"modified":"2025-08-21T03:57:09","modified_gmt":"2025-08-21T03:57:09","slug":"how-to-work-out-the-noise-reduction-rating-of-soft-earplugs","status":"publish","type":"post","link":"https:\/\/toprisesafety.com\/ja\/how-to-work-out-the-noise-reduction-rating-of-soft-earplugs\/","title":{"rendered":"\u30bd\u30d5\u30c8\u8033\u6813\u306e\u9a12\u97f3\u4f4e\u6e1b\u7387\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

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<\/object>\u8a8d\u5b9a\u5b89\u5168\u8033\u6813-\u30c8\u30c3\u30d7\u30e9\u30a4\u30ba-\u30ab\u30bf\u30ed\u30b0-1<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>

NRR\u3068\u306f\uff1f<\/strong><\/strong><\/h2>

NRR\u306f\u3001\u8033\u6813\u304c\u97f3\u3092\u4f4e\u6e1b\u3059\u308b\u80fd\u529b\u3092\u30c7\u30b7\u30d9\u30eb\uff08dB\uff09\u3067\u8868\u3057\u307e\u3059\u3002NRR\u304c\u9ad8\u3051\u308c\u3070\u9ad8\u3044\u307b\u3069\u3001\u9a12\u97f3\u4f4e\u6e1b\u52b9\u679c\u304c\u9ad8\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u30bd\u30d5\u30c8\u30bf\u30a4\u30d7\u306e\u8033\u6813\u306f\u901a\u5e38\u3001\u4ed6\u306e\u30bf\u30a4\u30d7\u3088\u308a\u3082NRR\u304c\u4f4e\u3044\u3067\u3059\u304c\u3001\u305d\u308c\u3067\u3082\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u306f\u52b9\u679c\u7684\u3067\u3059\u3002NRR\u5024\u306f\u901a\u5e38\u3001\u7ba1\u7406\u3055\u308c\u305f\u6761\u4ef6\u4e0b\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u4f7f\u7528\u3067\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>

H<\/strong>\u30bd\u30d5\u30c8\u8033\u6813\u3068\u30c7\u30e5\u30a2\u30eb\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306eNRR\u306e\u8a08\u7b97\u65b9\u6cd5<\/strong>?<\/strong><\/strong><\/h2>

\u30b9\u30c6\u30c3\u30d71\uff1aNRR\u5024\u3092\u6c42\u3081\u308b <\/strong><\/h3>

\u307e\u305a\u6700\u521d\u306b\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308bNRR\u5024\u3084\u3001\u30bd\u30d5\u30c8\u8033\u6813\u696d\u8005\u306e\u8033\u6813\u306eNRR\u5024\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u7d20\u6750\u3084\u30c7\u30b6\u30a4\u30f3\u306b\u3082\u3088\u308a\u307e\u3059\u304c\u3001\u591a\u304f\u306e\u5834\u5408NRR\u306f20\uff5e30dB\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u7761\u7720\u306b\u6700\u9069\u306a\u8033\u6813\u306fNRR\u304c25dB\u306e\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>

\u4f8b\u3048\u3070\u3001\u3053\u3046\u3060\uff1a<\/p>

\u7761\u7720\u306b\u6700\u9069\u306a\u8033\u6813\u306f20\uff5e28dB\u306e\u7bc4\u56f2\u3067\u3042\u308b\u3002<\/p>

\u30b9\u30c6\u30c3\u30d72\uff1a\u5b9f\u969b\u306e\u4f7f\u7528\u306b\u5408\u308f\u305b\u3066NRR\u3092\u8abf\u6574\u3059\u308b<\/strong><\/strong><\/h3>

NRR\u306f\u7ba1\u7406\u3055\u308c\u305f\u5b9f\u9a13\u5ba4\u6761\u4ef6\u4e0b\u3067\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u6027\u80fd\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u8033\u6813\u306e\u30d5\u30a3\u30c3\u30c8\u611f\u306f\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30bd\u30d5\u30c8\u306a\u8033\u6813\u304c\u65e5\u5e38\u4f7f\u7528\u3067\u3069\u306e\u7a0b\u5ea6\u8033\u3092\u4fdd\u8b77\u3059\u308b\u304b\u3092\u898b\u7a4d\u3082\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>

NRR\u304b\u30897dB\u3092\u5f15\u304f\uff1a\u3053\u308c\u306f\u633f\u5165\u8aa4\u5dee\u3084\u74b0\u5883\u6761\u4ef6\u306a\u3069\u306e\u8981\u56e0\u3092\u8003\u616e\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002<\/p>

2\u3067\u5272\u308b\uff1a\u3053\u308c\u306f\u3001\u8033\u6813\u304c\u5b8c\u5168\u306a\u5bc6\u9589\u6027\u3092\u4f5c\u308a\u51fa\u3055\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u5b9f\u969b\u306e\u30b7\u30ca\u30ea\u30aa\u3092\u3055\u3089\u306b\u8abf\u6574\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>

\u4f8b\u3048\u3070\u3001NRR\u304c30dB\u306e\u30ab\u30b9\u30bf\u30e0\u8033\u6813\u3092\u4f7f\u3046\u5834\u5408\uff1a<\/p>

7dB\u5f15\u304f\uff1a30-7=23\u30012\u3067\u5272\u308b\uff1a23\/2=11.5<\/p>

\u52b9\u679c\u7684\u306a\u30ce\u30a4\u30ba\u4f4e\u6e1b\u306f11.5dB\u3067\u3059\u3002<\/p>

\u30b9\u30c6\u30c3\u30d73\uff1a\u30c7\u30e5\u30a2\u30eb\u30fb\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306e\u30ce\u30a4\u30ba\u30fb\u30ea\u30c0\u30af\u30b7\u30e7\u30f3\u3092\u8a08\u7b97\u3059\u308b<\/strong><\/strong><\/h3>

\u9a12\u97f3\u30ec\u30d9\u30eb\u306e\u9ad8\u3044\u74b0\u5883\u3067\u306f\u3001\u30bd\u30d5\u30c8\u8033\u6813\u3068\u30a4\u30e4\u30fc\u30de\u30d5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4e8c\u91cd\u306e\u4fdd\u8b77\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u3001\u5de5\u5834\u3001\u30b3\u30f3\u30b5\u30fc\u30c8\u3001\u5c04\u6483\u5834\u306a\u3069\u306e\u9a12\u97f3\u74b0\u5883\u3067\u52b9\u679c\u7684\u3067\u3059\u3002\u30c7\u30e5\u30a2\u30eb\u30d7\u30ed\u30c6\u30af\u30b7\u30e7\u30f3\u306eNRR\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>

\u4e21\u65b9\u306e\u6a5f\u5668\u306eNRR\u3092\u8abf\u3079\u307e\u3059\uff1a\u4f8b\u3048\u3070\u3001\u30bd\u30d5\u30c8\u8033\u6813\u306eNRR\u306f25 dB\u3001\u30a4\u30e4\u30fc\u30de\u30d5\u306eNRR\u306f30 dB\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>

\u9ad8\u3044\u65b9\u306eNRR\u306b5dB\u3092\u52a0\u3048\u308b\uff1a\u3053\u308c\u306f\u3001\u4e21\u65b9\u306e\u8033\u4fdd\u8b77\u5177\u306e\u8907\u5408\u52b9\u679c\u3092\u88dc\u6b63\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>

\u5b9f\u969b\u306e\u4f7f\u7528\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3059\u308b\uff1a\u5408\u8a08\u304b\u30897dB\u3092\u5dee\u3057\u5f15\u304d\u30012\u3067\u5272\u308b\u3002<\/p>

\u4f8b<\/p>

\u30bd\u30d5\u30c8\u8033\u6813\uff1aNRR 25 dB; \u30a4\u30e4\u30fc\u30de\u30d5\uff1aNRR 30 dB\u3002<\/p>

\u9ad8\u3044\u65b9\u306eNRR\u306b5dB\u3092\u52a0\u3048\u308b\uff1a30+5=35\uff1b\u5b9f\u969b\u306e\u4f7f\u7528\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3059\u308b\uff1a35-7=28\u30012\u3067\u5272\u308b\uff1a28\/2=14\u3002<\/p>

\u3064\u307e\u308a\u3001\u64ae\u5f71\u7528\u306e\u8033\u6813\u3068\u30a4\u30e4\u30fc\u30de\u30d5\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306e\u52b9\u679c\u7684\u306a\u9a12\u97f3\u4f4e\u6e1b\u306e\u5408\u8a08\u306f14dB\u3068\u306a\u308a\u307e\u3059\u3002110dB\u306e\u9a12\u97f3\u74b0\u5883\u306b\u3044\u308b\u5834\u5408\u3001\u88ab\u7206\u91cf\u306f96dB\u306b\u6e1b\u5c11\u3057\u307e\u3059\u3002<\/p>

<\/object>\u8a8d\u8a3c\u5b89\u5168\u30a4\u30e4\u30fc\u30de\u30d5-\u30c8\u30c3\u30d7\u30e9\u30a4\u30ba-\u30ab\u30bf\u30ed\u30b0-7<\/a>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/a><\/div>

\u30b9\u30c6\u30c3\u30d74\uff1a\u30d5\u30a3\u30c3\u30c8\u611f\u3068\u7d20\u6750\u3092\u8003\u3048\u308b<\/strong><\/strong><\/h3>

NRR\u306f\u5b8c\u74a7\u306a\u88c5\u7740\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30bd\u30d5\u30c8\u8033\u6813\u306e\u633f\u5165\u65b9\u6cd5\u306f\u305d\u306e\u6027\u80fd\u306b\u5927\u304d\u304f\u5f71\u97ff\u3057\u307e\u3059\u3002\u633f\u5165\u304c\u60aa\u304b\u3063\u305f\u308a\u3001\u5bc6\u9589\u6027\u304c\u60aa\u3044\u3068\u52b9\u679c\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u98db\u884c\u6a5f\u306b\u6700\u9069\u306a\u8033\u6813\u3084\u3044\u3073\u304d\u7528\u306e\u8033\u6813\u306f\u3001\u97f3\u6f0f\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u3074\u3063\u305f\u308a\u3068\u30d5\u30a3\u30c3\u30c8\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>

\u767a\u6ce1\u8033\u6813\u304b\u30b7\u30ea\u30b3\u30f3\u8033\u6813\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u3076\u5834\u5408\u3001\u4e00\u822c\u7684\u306b\u767a\u6ce1\u8033\u6813\u306e\u65b9\u304c\u5916\u8033\u9053\u3092\u6e80\u305f\u3059\u3088\u3046\u306b\u81a8\u3089\u3080\u305f\u3081\u3001\u9a12\u97f3\u4f4e\u6e1b\u52b9\u679c\u304c\u9ad8\u3044\u3053\u3068\u3092\u899a\u3048\u3066\u304a\u3053\u3046\u3002<\/p>

\u30bd\u30d5\u30c8\u8033\u6813\u306e\u5b9f\u4f8b<\/strong><\/strong><\/h2>

\u6700\u9ad8\u306e\u7761\u7720\u7528\u8033\u6813\uff1a\u7761\u7720\u6642\u306b\u6700\u9069\u306a\u8033\u6813\u3002NRR 25 dB\u306e\u8033\u6813\u304c\u3042\u308c\u3070\u3001\u3044\u3073\u304d\u3084\u4ea4\u901a\u9a12\u97f3\u304c\u906e\u65ad\u3055\u308c\u308b\u3002\u8a08\u7b97\u5f0f\u306b\u3088\u308b\u3068\u3001\u52b9\u679c\u7684\u306a\u9a12\u97f3\u4f4e\u6e1b\u306f\u7d0411dB\u3067\u300170dB\u306e\u9a12\u97f3\u3092\u7d0459dB\u306b\u4f4e\u6e1b\u3057\u307e\u3059\u3002<\/p>

\u30d0\u30a4\u30af\u7528\u8033\u6813\u30e9\u30a4\u30c0\u30fc\u306f\u3057\u3070\u3057\u3070\u3001\u5feb\u9069\u3055\u3068\u9ad8\u3044NRR\u3092\u517c\u306d\u5099\u3048\u305f\u30ab\u30b9\u30bf\u30e0\u30e1\u30a4\u30c9\u306e\u8033\u6813\u3092\u4f7f\u7528\u3059\u308b\u3002NRR\u304c28 dB\u306e\u5834\u5408\u3001\u30a4\u30e4\u30fc\u30de\u30d5\u3068\u306e\u4e8c\u91cd\u306e\u4fdd\u8b77\u306b\u3088\u308a\u3001\u52b9\u679c\u7684\u306a\u4f4e\u6e1b\u306f\u7d0415 dB\u306b\u306a\u308a\u307e\u3059\u3002<\/p>

\u98db\u884c\u6a5f\u306b\u6700\u9069\u306a\u8033\u6813\u6a5f\u5185\u306e\u9a12\u97f3\u3092\u8efd\u6e1b\u3059\u308b\u306b\u306f\u3001NRR20\uff5e25dB\u306e\u30bd\u30d5\u30c8\u306a\u8033\u6813\u304c\u3001\u7279\u306b\u9ad8\u9ad8\u5ea6\u3067\u306f\u307b\u3068\u3093\u3069\u306e\u9a12\u97f3\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002\u5b9f\u969b\u306e\u4f7f\u7528\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u3059\u308b\u3068\u300110\uff5e13dB\u306e\u52b9\u679c\u7684\u306a\u4f4e\u6e1b\u304c\u5f97\u3089\u308c\u3001\u30d5\u30e9\u30a4\u30c8\u304c\u3088\u308a\u5feb\u9069\u306b\u306a\u308a\u307e\u3059\u3002<\/p>

\u306a\u305c\u4e2d\u56fd\u306e\u67d4\u3089\u304b\u3044\u8033\u6813\u306e\u88fd\u9020\u696d\u8005\u3092\u9078\u3073\u306a\u3055\u3044\u304b\u3002<\/strong><\/strong><\/h2>

\u4e2d\u56fd\u306e\u30bd\u30d5\u30c8\u8033\u6813\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u624b\u9803\u306a\u4fa1\u683c\u3067\u9ad8\u54c1\u8cea\u306e\u8033\u6813\u3092\u751f\u7523\u3057\u3066\u3044\u307e\u3059\u3002\u7761\u7720\u306b\u6700\u9069\u306a\u8033\u6813\u3084\u3001\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u305f\u30ab\u30b9\u30bf\u30e0\u8033\u6813\u306a\u3069\u3001\u69d8\u3005\u306a\u76ee\u7684\u306b\u5408\u308f\u305b\u305f\u8033\u6813\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u4e2d\u56fd\u306e\u67d4\u3089\u304b\u3044\u8033\u6813\u30e1\u30fc\u30ab\u30fc\u306f\u3001\u4e00\u62ec\u5272\u5f15\u3084\u767a\u6ce1\u4f53\u3084\u30b7\u30ea\u30b3\u30fc\u30f3\u306a\u3069\u306e\u69d8\u3005\u306a\u6750\u6599\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u9ad8\u3044\u751f\u7523\u57fa\u6e96\u3092\u78ba\u4fdd\u3057\u3001\u8033\u306b\u8033\u6813\u306e\u305f\u3081\u306e\u67d4\u3089\u304b\u3044\u8033\u6813\u306e\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u305f\u3081\u306e\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u60c5\u5831\u6e90\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>

\"Soft<\/figure>

\u7d50\u8ad6<\/strong><\/strong><\/h2>

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Soft earplugs offer an effective way to protect your hearing in noisy environments. The noise reduction rating (NRR) is an essential measure of how much noise earplugs block. Whether you\u2019re using best sleep earplugs for a quiet night\u2019s rest or earplugs for shooting in a loud range, understanding how to calculate NRR helps you choose the right protection. This blog explains how to calculate NRR for soft earplugs and dual protection with earmuffs. What is NRR? The NRR measures the ability of earplugs to reduce sound in decibels (dB). A higher NRR means better noise reduction. Soft earplugs typically have a lower NRR than other types, but they are still […]<\/p>\n","protected":false},"author":1,"featured_media":10066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_focus_keyword":"Soft Earplugs","rank_math_description":"Soft earplugs manufacturers in China produce affordable, high-quality earplugs, for various needs like sleeping and shooting.","footnotes":""},"categories":[414],"tags":[],"class_list":["post-10063","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppe-products"],"acf":[],"_links":{"self":[{"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/posts\/10063"}],"collection":[{"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/comments?post=10063"}],"version-history":[{"count":1,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/posts\/10063\/revisions"}],"predecessor-version":[{"id":10067,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/posts\/10063\/revisions\/10067"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/media\/10066"}],"wp:attachment":[{"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/media?parent=10063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/categories?post=10063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toprisesafety.com\/ja\/wp-json\/wp\/v2\/tags?post=10063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}