{"id":1788,"date":"2025-11-13T11:09:44","date_gmt":"2025-11-13T03:09:44","guid":{"rendered":"https:\/\/sj-gauge.com\/?post_type=product&#038;p=1788"},"modified":"2026-07-17T13:28:18","modified_gmt":"2026-07-17T05:28:18","slug":"pre4-h","status":"publish","type":"product","link":"https:\/\/www.sj-gauge.com\/vi\/san-pham\/pre4-h\/","title":{"rendered":"\u0110\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n ki\u1ec3u t\u00e1c \u0111\u1ed9ng nhanh b\u1eb1ng nam ch\u00e2m"},"content":{"rendered":"<p>PRE4.H l\u00e0 \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n ki\u1ec3u t\u00e1c \u0111\u1ed9ng nhanh b\u1eb1ng nam ch\u00e2m, d\u00f9ng cho h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o v\u00e0 \u0111i\u1ec1u khi\u1ec3n li\u00ean \u0111\u1ed9ng trong c\u00f4ng nghi\u1ec7p. V\u00e0nh th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 k\u00ednh thi\u1ebft b\u1ecb b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 b\u1ec1n c\u00f9ng kh\u1ea3 n\u0103ng quan s\u00e1t r\u00f5 r\u00e0ng. Khi \u00e1p su\u1ea5t \u0111o \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n c\u00e0i \u0111\u1eb7t, ti\u1ebfp \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch t\u00edch h\u1ee3p s\u1ebd \u0111\u00f3ng ho\u1eb7c ng\u1eaft m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 k\u00edch ho\u1ea1t c\u1ea3nh b\u00e1o ho\u1eb7c li\u00ean \u0111\u1ed9ng.<\/p>\n<p>S\u1ea3n ph\u1ea9m c\u00f3 nhi\u1ec1u c\u1ea5u h\u00ecnh ti\u1ebfp \u0111i\u1ec3m, ph\u00f9 h\u1ee3p cho ng\u00e0nh h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed, s\u1ea3n xu\u1ea5t th\u00e9p, ch\u1ebf t\u1ea1o m\u00e1y v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p kh\u00e1c. C\u01a1 c\u1ea5u t\u00e1c \u0111\u1ed9ng nhanh b\u1eb1ng nam ch\u00e2m gi\u00fap chuy\u1ec3n m\u1ea1ch \u1ed5n \u0111\u1ecbnh, gi\u1ea3m h\u1ed3 quang t\u1ea1i ti\u1ebfp \u0111i\u1ec3m v\u00e0 duy tr\u00ec v\u1eadn h\u00e0nh tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u0111\u01b0\u01a1ng d\u00f2ng WIKA PGS23.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li>V\u00e0nh th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 k\u00ednh thi\u1ebft b\u1ecb cho \u0111\u1ed9 b\u1ec1n cao c\u00f9ng kh\u1ea3 n\u0103ng \u0111\u1ecdc r\u00f5 r\u00e0ng<\/li>\n<li>C\u00f3 nhi\u1ec1u c\u1ea5u h\u00ecnh ti\u1ebfp \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch<\/li>\n<li>Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng trong ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed, th\u00e9p v\u00e0 m\u00e1y m\u00f3c.<\/li>\n<li>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi WIKA PGS23<\/li>\n<\/ul>","protected":false},"featured_media":1790,"template":"","meta":{"_acf_changed":false},"product_brand":[40],"product_cat":[76,41],"product_tag":[],"class_list":{"0":"post-1788","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sj-gauge","7":"product_cat-contact-pressure-gauges","8":"product_cat-pressure-instruments","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Electric Contact Pressure Gauge | Alarm &amp; Switch Function | SJ Gauge<\/title>\n<meta name=\"description\" content=\"Electric contact pressure gauge with alarm and switch function, designed for industrial automation and pressure control. Reliable and precise switching performance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sj-gauge.com\/vi\/san-pham\/pre4-h\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnetic Snap-Action Electric Contact Pressure Gauge\" \/>\n<meta property=\"og:description\" content=\"Electric contact pressure gauge with alarm and switch function, designed for industrial automation and pressure control. 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