{"product_id":"vega-vegamet-391-level-controller-display-unit","title":"VEGA VEGAMET 391 Level Controller Display Unit","description":"\u003ch1 data-section-id=\"1vevt5w\" data-start=\"685\" data-end=\"721\" class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Description\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-start=\"723\" data-end=\"890\"\u003eThe \u003cstrong data-start=\"727\" data-end=\"781\"\u003eVEGA VEGAMET 391 Controller and Display Instrument\u003c\/strong\u003e is a universal signal processing unit designed for industrial level, pressure, and flow measurement systems.\u003c\/p\u003e\n\u003cp data-start=\"892\" data-end=\"1182\"\u003eIt powers connected 4–20 mA \/ HART sensors, processes incoming measurement signals, and displays real-time process values. Beyond simple visualization, VEGAMET 391 also enables advanced control functions such as pump switching, flow totalization, trend monitoring, and inventory management.\u003c\/p\u003e\n\u003cp data-start=\"1184\" data-end=\"1417\"\u003eFor operators, this means one device can replace multiple separate control components, simplifying system architecture and improving reliability in water treatment plants, industrial process systems, and tank monitoring applications.\u003c\/p\u003e\n\u003cp data-start=\"1419\" data-end=\"1585\"\u003eThe built-in web server and communication interfaces allow easy integration into industrial networks, making remote monitoring and centralized control more efficient.\u003c\/p\u003e\n\u003cp data-start=\"1587\" data-end=\"1740\"\u003eNatural SEO keywords included: \u003cstrong data-start=\"1618\" data-end=\"1638\"\u003elevel controller\u003c\/strong\u003e, \u003cstrong data-start=\"1640\" data-end=\"1662\"\u003esignal conditioner\u003c\/strong\u003e, \u003cstrong data-start=\"1664\" data-end=\"1683\"\u003eHART controller\u003c\/strong\u003e, \u003cstrong data-start=\"1685\" data-end=\"1712\"\u003eindustrial display unit\u003c\/strong\u003e, \u003cstrong data-start=\"1714\" data-end=\"1740\"\u003eVEGA controller system\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1742\" data-end=\"1745\"\u003e\n\u003ch1 data-section-id=\"1vrrhye\" data-start=\"1747\" data-end=\"1763\"\u003eKey Features\u003c\/h1\u003e\n\u003cp data-start=\"1765\" data-end=\"2166\"\u003e• Powers and processes 4–20 mA \/ HART sensors\u003cbr data-start=\"1810\" data-end=\"1813\"\u003e• Integrated LCD display for real-time measurement\u003cbr data-start=\"1863\" data-end=\"1866\"\u003e• Pump control and switching functions\u003cbr data-start=\"1904\" data-end=\"1907\"\u003e• Flow volume calculation and totalization\u003cbr data-start=\"1949\" data-end=\"1952\"\u003e• Built-in web server for remote access\u003cbr data-start=\"1991\" data-end=\"1994\"\u003e• Ethernet \/ RS232 communication options\u003cbr data-start=\"2034\" data-end=\"2037\"\u003e• Relay outputs for industrial automation\u003cbr data-start=\"2078\" data-end=\"2081\"\u003e• SIL2 and hazardous area approvals available \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"2168\" data-end=\"2171\"\u003e\n\u003ch1 data-section-id=\"l5ozhv\" data-start=\"2173\" data-end=\"2199\"\u003eApplications\u003c\/h1\u003e\n\u003cul data-start=\"2201\" data-end=\"2466\"\u003e\n\u003cli data-section-id=\"nmhpvr\" data-start=\"2201\" data-end=\"2242\"\u003eWater and wastewater treatment plants\u003c\/li\u003e\n\u003cli data-section-id=\"1wy3us3\" data-start=\"2243\" data-end=\"2287\"\u003eIndustrial tank level monitoring systems\u003c\/li\u003e\n\u003cli data-section-id=\"9gz1up\" data-start=\"2288\" data-end=\"2312\"\u003ePump control systems\u003c\/li\u003e\n\u003cli data-section-id=\"1g2pop2\" data-start=\"2313\" data-end=\"2341\"\u003eFlow measurement systems\u003c\/li\u003e\n\u003cli data-section-id=\"6gyw6r\" data-start=\"2342\" data-end=\"2372\"\u003eChemical processing plants\u003c\/li\u003e\n\u003cli data-section-id=\"pdmsga\" data-start=\"2373\" data-end=\"2403\"\u003eProcess automation systems\u003c\/li\u003e\n\u003cli data-section-id=\"hc5wn6\" data-start=\"2404\" data-end=\"2434\"\u003eInventory management (VMI)\u003c\/li\u003e\n\u003cli data-section-id=\"1yqxz07\" data-start=\"2435\" data-end=\"2466\"\u003ePressure monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2468\" data-end=\"2471\"\u003e\n\u003ch1 data-section-id=\"6p5k8g\" data-start=\"2473\" data-end=\"2506\"\u003eSelection Notes\u003c\/h1\u003e\n\u003cp data-start=\"2508\" data-end=\"2546\"\u003eBefore selecting VEGAMET 391, confirm:\u003c\/p\u003e\n\u003cul data-start=\"2548\" data-end=\"2878\"\u003e\n\u003cli data-section-id=\"11zcp3s\" data-start=\"2548\" data-end=\"2593\"\u003eType of connected sensor (4–20 mA \/ HART)\u003c\/li\u003e\n\u003cli data-section-id=\"1yjk63f\" data-start=\"2594\" data-end=\"2651\"\u003eRequired control functions (pump \/ alarm \/ totalizer)\u003c\/li\u003e\n\u003cli data-section-id=\"bpkwys\" data-start=\"2652\" data-end=\"2688\"\u003eNumber of relay outputs required\u003c\/li\u003e\n\u003cli data-section-id=\"1k7ffwc\" data-start=\"2689\" data-end=\"2731\"\u003eCommunication needs (Ethernet \/ RS232)\u003c\/li\u003e\n\u003cli data-section-id=\"1wqnr6q\" data-start=\"2732\" data-end=\"2787\"\u003eInstallation environment (panel \/ cabinet mounting)\u003c\/li\u003e\n\u003cli data-section-id=\"7maw7y\" data-start=\"2788\" data-end=\"2832\"\u003ePower supply range (AC\/DC compatibility)\u003c\/li\u003e\n\u003cli data-section-id=\"3is4jq\" data-start=\"2833\" data-end=\"2878\"\u003eHazardous area certification requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2880\" data-end=\"2883\"\u003e\n\u003ch1 data-section-id=\"a0z7dm\" data-start=\"2885\" data-end=\"2899\"\u003eFAQ\u003c\/h1\u003e\n\u003cp data-start=\"2901\" data-end=\"3085\"\u003e\u003cstrong data-start=\"2901\" data-end=\"2942\"\u003eQ: What is VEGA VEGAMET 391 used for?\u003c\/strong\u003e\u003cbr data-start=\"2942\" data-end=\"2945\"\u003eA: It is used to process, display, and control signals from 4–20 mA\/HART level and pressure sensors. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3087\" data-end=\"3243\"\u003e\u003cstrong data-start=\"3087\" data-end=\"3124\"\u003eQ: Can VEGAMET 391 control pumps?\u003c\/strong\u003e\u003cbr data-start=\"3124\" data-end=\"3127\"\u003eA: Yes. It includes integrated pump switching and pump management functions. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3245\" data-end=\"3408\"\u003e\u003cstrong data-start=\"3245\" data-end=\"3286\"\u003eQ: Does it support remote monitoring?\u003c\/strong\u003e\u003cbr data-start=\"3286\" data-end=\"3289\"\u003eA: Yes. It has a built-in web server for network integration and remote access. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3410\" data-end=\"3544\"\u003e\u003cstrong data-start=\"3410\" data-end=\"3449\"\u003eQ: What industries use VEGAMET 391?\u003c\/strong\u003e\u003cbr data-start=\"3449\" data-end=\"3452\"\u003eA: It is widely used in water treatment, wastewater systems, and industrial process control.\u003c\/p\u003e\n\u003cp data-start=\"3546\" data-end=\"3645\"\u003e\u003cstrong data-start=\"3546\" data-end=\"3585\"\u003eQ: How many sensors can it connect?\u003c\/strong\u003e\u003cbr data-start=\"3585\" data-end=\"3588\"\u003eA: It typically supports one 4–20 mA \/ HART sensor input.\u003c\/p\u003e\n\u003cp data-start=\"3647\" data-end=\"3754\"\u003e\u003cstrong data-start=\"3647\" data-end=\"3687\"\u003eQ: Does it support flow calculation?\u003c\/strong\u003e\u003cbr data-start=\"3687\" data-end=\"3690\"\u003eA: Yes. It includes flow measurement and totalization functions.\u003c\/p\u003e","brand":"VEGA","offers":[{"title":"Default Title","offer_id":43318289858621,"sku":null,"price":1130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/4141\/3693\/files\/vegamet391-controller-display-unit-product-view.png?v=1783050815","url":"https:\/\/proinstru.com\/products\/vega-vegamet-391-level-controller-display-unit","provider":"Process Instrument","version":"1.0","type":"link"}