{"id":1728,"date":"2025-11-12T11:57:28","date_gmt":"2025-11-12T03:57:28","guid":{"rendered":"https:\/\/sj-gauge.com\/?post_type=product&#038;p=1728"},"modified":"2026-03-27T15:47:23","modified_gmt":"2026-03-27T07:47:23","slug":"prsmd","status":"publish","type":"product","link":"https:\/\/www.sj-gauge.com\/vi\/san-pham\/prsmd\/","title":{"rendered":"C\u00f4ng t\u1eafc \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch"},"content":{"rendered":"<p>PRSMD l\u00e0 m\u1ed9t c\u00f4ng t\u1eafc ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t \u0111a n\u0103ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m \u0111\u1eb7t t\u1ea1i ch\u1ed7 m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i. \u0110\u01b0\u1ee3c ch\u1ebf t\u1ea1o chuy\u00ean bi\u1ec7t cho c\u00e1c lo\u1ea1i kh\u00ed kh\u00f4ng d\u1ec5 ch\u00e1y v\u00e0 kh\u00f4ng \u0103n m\u00f2n, s\u1ea3n ph\u1ea9m n\u00e0y l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ti\u00eau chu\u1ea9n trong c\u00e1c h\u1ec7 th\u1ed1ng HVAC v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00f2a nh\u00e0 \u0111\u1ec3 gi\u00e1m s\u00e1t b\u1ed9 l\u1ecdc, qu\u1ea1t v\u00e0 \u1ed1ng d\u1eabn kh\u00ed. V\u1edbi d\u1ea3i \u0111o t\u1eeb 20 \u0111\u1ebfn 5000 Pa v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b12% F.S., thi\u1ebft b\u1ecb n\u00e0y c\u00f3 m\u00e0ng silicon b\u1ec1n, v\u1ecf PC v\u00e0 m\u1ee9c b\u1ea3o v\u1ec7 IP54, v\u1edbi tu\u1ed5i th\u1ecd v\u01b0\u1ee3t qu\u00e1 m\u1ed9t tri\u1ec7u chu k\u1ef3. C\u00f4ng t\u1eafc SPDT t\u00edch h\u1ee3p h\u1ed7 tr\u1ee3 t\u1ea3i l\u00ean \u0111\u1ebfn 1,5 A @ 250 VAC ho\u1eb7c 1 A @ 30 VDC, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111i\u1ec1u khi\u1ec3n \u0111\u00e1ng tin c\u1eady cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111a d\u1ea1ng.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li>D\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t v\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<li>D\u1ec5 d\u00e0ng c\u00e0i \u0111\u1eb7t gi\u00e1 tr\u1ecb c\u1ee7a c\u00f4ng t\u1eafc \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/li>\n<li>Ch\u1ec9 \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i kh\u00ed kh\u00f4ng ch\u00e1y v\u00e0 kh\u00f4ng \u0103n m\u00f2n.<\/li>\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a t\u00f2a nh\u00e0 \u0111\u1ec3 gi\u00e1m s\u00e1t \u00e1p su\u1ea5t c\u1ee7a b\u1ed9 l\u1ecdc, qu\u1ea1t v\u00e0 \u1ed1ng d\u1eabn trong h\u1ec7 th\u1ed1ng HVAC.<\/li>\n<\/ul>","protected":false},"featured_media":1732,"template":"","meta":{"_acf_changed":false},"product_brand":[40],"product_cat":[22,41],"product_tag":[],"class_list":{"0":"post-1728","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sj-gauge","7":"product_cat-contact-pressure-gauge","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>HVAC Differential Pressure Switch | Air, Duct &amp; 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