{"id":2624,"date":"2025-12-16T11:54:49","date_gmt":"2025-12-16T03:54:49","guid":{"rendered":"https:\/\/sj-gauge.com\/?post_type=product&#038;p=2624"},"modified":"2026-04-09T21:29:41","modified_gmt":"2026-04-09T13:29:41","slug":"uma4","status":"publish","type":"product","link":"https:\/\/www.sj-gauge.com\/vi\/san-pham\/uma4\/","title":{"rendered":"M\u00e1y \u0111o k\u1ef9 thu\u1eadt s\u1ed1 \u0111a n\u0103ng, 4 ch\u1eef s\u1ed1"},"content":{"rendered":"<p>UMA4 l\u00e0 m\u1ed9t \u0111\u1ed3ng h\u1ed3 k\u1ef9 thu\u1eadt s\u1ed1 \u0111a n\u0103ng 4 ch\u1eef s\u1ed1 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, trang b\u1ecb m\u00e0n h\u00ecnh LED \u0111\u1ecf s\u00e1ng cao cho ph\u00e9p \u0111\u1ecdc k\u1ebft qu\u1ea3 r\u00f5 r\u00e0ng v\u00e0 nhanh ch\u00f3ng. Thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o, bao g\u1ed3m \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf, c\u1eb7p nhi\u1ec7t \u0111i\u1ec7n, PT100 v\u00e0 c\u1ea3m bi\u1ebfn l\u1ef1c. C\u00e1c ch\u1ee9c n\u0103ng t\u00f9y ch\u1ecdn bao g\u1ed3m \u0111\u1ea7u ra c\u1ea3nh b\u00e1o r\u01a1le, \u0111\u1ea7u ra analog v\u00e0 giao ti\u1ebfp RS485 v\u1edbi giao th\u1ee9c Modbus RTU, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p. V\u1edbi b\u1ed9 nh\u1edb EEPROM, c\u1ea5u h\u00ecnh b\u1eb1ng n\u00fat b\u1ea5m v\u00e0 ki\u1ec3m so\u00e1t c\u1ea3nh b\u00e1o linh ho\u1ea1t, UMA4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng gi\u00e1m s\u00e1t \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, l\u01b0u l\u01b0\u1ee3ng, n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li>M\u00e0n h\u00ecnh LED c\u00f3 \u0111\u1ed9 s\u00e1ng cao v\u00e0 \u0111\u1ed9 r\u00f5 n\u00e9t, c\u00f3 kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb l\u00ean \u0111\u1ebfn 4 ch\u1eef s\u1ed1.<\/li>\n<li>Cung c\u1ea5p ba t\u00f9y ch\u1ecdn \u0111\u1ea7u ra: b\u00e1o \u0111\u1ed9ng m\u1ed9t \u0111\u1ebfn hai giai \u0111o\u1ea1n, t\u00edn hi\u1ec7u analog ho\u1eb7c truy\u1ec1n d\u1eabn RS485.<\/li>\n<li>\u0110\u01b0\u1ee3c trang b\u1ecb h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t x\u1ea3 \u00e1p su\u1ea5t, ph\u00f9 h\u1ee3p cho vi\u1ec7c gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>","protected":false},"featured_media":2627,"template":"","meta":{"_acf_changed":false},"product_brand":[40],"product_cat":[66],"product_tag":[],"class_list":{"0":"post-2624","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sj-gauge","7":"product_cat-digital-panel-meter","9":"first","10":"instock","11":"shipping-taxable","12":"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>Multi-purpose Digital Panel Meter, 4 Digits - SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors<\/title>\n<meta name=\"description\" content=\"UMA4 digital panel meter features an LED display with high brightness and clarity. 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