{"id":5213,"date":"2025-04-29T10:33:10","date_gmt":"2025-04-29T02:33:10","guid":{"rendered":"http:\/\/192.168.1.196:170\/?p=5213"},"modified":"2026-02-11T08:54:42","modified_gmt":"2026-02-11T00:54:42","slug":"differential-pressure-transmitter","status":"publish","type":"post","link":"https:\/\/www.inst-tech.net\/ar\/products\/pressure-measurement\/differential-pressure-transmitter\/","title":{"rendered":"Differential Pressure Transmitter"},"content":{"rendered":"

Product Features<\/h4>\n

1. Multiple inputs:<\/strong> differential pressure (DP), gauge pressure (GP), absolute pressure (AP)<\/p>\n

2. Multiple outputs:<\/strong> 4 ~20mA (analog), digital signal output<\/p>\n

3. Automatic compensation for ambient temperature<\/strong><\/p>\n

4. Various parameter settings:<\/strong>zero\/volume conversion, fault alarm, unit conversion, fine-tuning, etc.<\/p>\n

5. Digital communication:<\/strong> HART communication instructions<\/p>\n

6. Explosion-proof appearance:<\/strong> CSA, FM, ATEX, GOST<\/p>\n

7. Optimal performance:<\/strong> high accuracy: \u00b10.075% of span (\u00b10.04% of span), stability: \u00b10.01% \/ year, high range ratio: 100:1<\/p>\n

8. Flexibility:<\/strong> Setting parameters through HART \u00ae protocol instructions, zero point adjustment<\/p>\n

9. Reliability:<\/strong> MTBF 20 years; continuous self-detection function (sensor, memory, communication); automatic compensation function (ambient temperature compensation, sensor input linearization); software and hardware fault alarm function; configuration protection: EEPROM write protection function; CE EMC standard (EN50081-2, EN50082-2)<\/p>\n

 <\/p>\n

Physical indicators<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\nProcess interface materials<\/td>\n\nProcess isolation diaphragm: 316L SS, Hastelloy C-276, Monel, Tantalum<\/td>\n<\/tr>\n
\nProcess interface: 316SS, carbon steel (galvanized), Hastelloy, Monel<\/td>\n<\/tr>\n
\nO-ring: Teflon, fluorinated rubber<\/td>\n<\/tr>\n
\nExhaust\/drain valve: 316L SS, Hastelloy C-276<\/td>\n<\/tr>\n
\nBolt: carbon steel, A286 SS (NACE)<\/td>\n<\/tr>\n
\nNote: There are other special anti-corrosion materials available for the liquid-contacting parts to meet various working conditions. Please contact VIRVO \u00ae Company<\/td>\n<\/tr>\n
\nMounting bracket<\/td>\n\nCarbon steel (galvanized) or stainless steel angle bracket, carbon steel flat bracket<\/td>\n<\/tr>\n
\nFilling fluid<\/td>\n\nSilicone oil DC200 or CTFE (fluorine oil)<\/td>\n<\/tr>\n
\nCase<\/td>\n\nEpoxy polyester paint, low copper aluminum alloy. Meet NEMA 4X (waterproof) and NEMA 7 (explosion-proof) requirements, optional stainless steel material<\/td>\n<\/tr>\n
\nProcess connection<\/td>\n\n1\/4NPT, 1\/2NPT conversion connector (optional)<\/td>\n<\/tr>\n
\nWiring<\/td>\n\n16AWG (1.5mm diameter)<\/td>\n<\/tr>\n
\nNet weight<\/td>\n\n4.2kg, about 5kg with accessories<\/td>\n<\/tr>\n
\nPacking size<\/td>\n\n234X185X155mm<\/td>\n<\/tr>\n
\nNameplate<\/td>\n\n304 stainless steel<\/td>\n<\/tr>\n
\nHazardous area certification<\/td>\n\nWith explosion-proof and intrinsic safety certification, it can be used in Class\u2160, Devision 1, GroupA, B, C, D occasions, and non-flammable Class\u2160,<\/td>\n<\/tr>\n
\nDevision 2, GroupA, B, C, D occasions. ATEX standard EEx ia \u2161CT4, T5, T6 and EExd \u2161CT5, T6 certification<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Electrical indicators<\/h4>\n\n\n\n\n\n
\nPower supply voltage<\/td>\n\n11.9~45 VDC<\/td>\n\nOutput signal<\/td>\n\n4~20mA DC\/HART<\/td>\n<\/tr>\n
\nHART load resistance<\/td>\n\n250~1500\u03a9<\/td>\n\nInsulation voltage<\/td>\n\n500 Vrms (707VDC)<\/td>\n<\/tr>\n
\nDamping time<\/td>\n\n0.25S<\/td>\n\nStartup time<\/td>\n\n5S<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Performance indicators<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
\nAccuracy<\/td>\n\u00b1 0.075% of Span<\/td>\n<\/tr>\n
\n (0.2URL\u2264Span\u2264URL)<\/td>\n<\/tr>\n
\u00b1[0.05+0.005x(URL\/Span)]%<\/td>\n<\/tr>\n
\nof Span(0.05URL\u2264Span<0.2URL)<\/td>\n<\/tr>\n
\nStability<\/td>\n\n\u00b10.01% full scale\/year<\/td>\n<\/tr>\n
\nTemperature effect<\/td>\n\n\u00b1[0.025%URL+0.125% Span]\/28<\/td>\n<\/tr>\n
\nVibration effect<\/td>\n\nThe frequency is 200Hz on any axis, and the error caused is \u00b10.05%\/g of the range<\/td>\n<\/tr>\n
\nInfluence of power supply voltage<\/td>\n\n0.005% full scale\/volt<\/td>\n<\/tr>\n
\nCE certification<\/td>\n\n89\/336\/EEC, electromagnetic compatibility (EMC) standard<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Operating environment<\/h4>\n\n\n\n\n\n\n\n\n
\nParameters<\/td>\n\nRated environment<\/td>\n\nOperation Limits<\/td>\n\nTransportation and Storage<\/td>\n<\/tr>\n
\nAmbient Temperature (\u2103)<\/td>\n\n-40~85 
\n<\/span><\/td>\n		\n-40~91 
\n<\/span><\/td>\n		\n-55~125<\/td>\n<\/tr>\n
\nBody Temperature (\u2103)<\/td>\n\n-40~110 
\n<\/span><\/td>\n		\n-40~125 
\n<\/span><\/td>\n		\n-55~125<\/td>\n<\/tr>\n
\nHumidity (%RH)<\/td>\n\n10~85<\/td>\n\n0~100<\/td>\n\n0~100<\/td>\n<\/tr>\n
\nOverpressure capability<\/td>\n\n14MPa, special up to 21MPa<\/td>\n<\/tr>\n
\nVacuum degree (KPa)<\/td>\n\n0<\/td>\n\n 3.5<\/td>\n\n --<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"

Product Features 1. Multiple inputs: differential pressure (DP), gauge pressure (GP), absolute pressure (AP) 2. Multiple outputs: 4 ~20mA (analog), digital signal output 3. Automatic compensation for ambient temperature 4. Various parameter settings:zero\/volume conversion, fault alarm, unit conversion, fine-tuning, etc. 5. Digital communication: HART communication instructions 6. Explosion-proof appearance: CSA, FM, ATEX, GOST 7. Optimal […]<\/p>","protected":false},"author":1,"featured_media":5214,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[142,201],"tags":[],"class_list":["post-5213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pressure-measurement","category-pressure-transmitter"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/posts\/5213","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/comments?post=5213"}],"version-history":[{"count":3,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/posts\/5213\/revisions"}],"predecessor-version":[{"id":6501,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/posts\/5213\/revisions\/6501"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/media\/5214"}],"wp:attachment":[{"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/media?parent=5213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/categories?post=5213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inst-tech.net\/ar\/wp-json\/wp\/v2\/tags?post=5213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}