{"product_id":"yokogawa-ph402g-e-1-e-pm-exa-ph402-analyzer-transmitter-4-wire","title":"YOKOGAWA PH402G-E-1-E PM EXA PH402 ANALYZER TRANSMITTER 4-WIRE","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"512\"\u003eThe Yokogawa PH402G-E-1-E PM EXA pH\/ORP Analyzer Transmitter (4-wire) is used a panel-mounted industrial converter designed for continuous measurement of pH and oxidation-reduction potential (ORP) in liquid processes. It converts high-impedance sensor signals into standard 4–20 mA outputs for PLC\/DCS integration while providing built-in diagnostics and control functionality. The EXA series is engineered for harsh environments and supports both monitoring and closed-loop control applications.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"514\" data-end=\"533\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"534\" data-end=\"947\"\u003eThe Yokogawa PH402G-E-1-E is used in industrial environments for continuous online monitoring of pH and ORP in liquid processes. It is commonly deployed in wastewater treatment, chemical processing, food and beverage production, and power generation systems. The analyzer supports measurement, alarm handling, and control outputs for chemical dosing or neutralization, ensuring process stability and compliance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"949\" data-end=\"980\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"981\" data-end=\"1695\"\u003e• Manufacturer: Yokogawa\u003cbr data-start=\"1005\" data-end=\"1008\"\u003e• Model \/ Part Number: PH402G-E-1-E\u003cbr data-start=\"1043\" data-end=\"1046\"\u003e• Product Type: pH \/ ORP Analyzer Transmitter (4-wire, EXA Series)\u003cbr data-start=\"1112\" data-end=\"1115\"\u003e• Measurement Range: pH approx. -2 to 16, ORP up to ±1500 mV\u003cbr data-start=\"1175\" data-end=\"1178\"\u003e• Input: Dual high-impedance sensor inputs (~10¹³ Ω)\u003cbr data-start=\"1230\" data-end=\"1233\"\u003e• Output Signals: Dual 4–20 mA + relay outputs\u003cbr data-start=\"1279\" data-end=\"1282\"\u003e• Power Supply: 110–120 VAC, 50\/60 Hz\u003cbr data-start=\"1319\" data-end=\"1322\"\u003e• Power Consumption: ~10 VA\u003cbr data-start=\"1349\" data-end=\"1352\"\u003e• Control Capability: Built-in PI control (dosing\/neutralization)\u003cbr data-start=\"1417\" data-end=\"1420\"\u003e• Communication: Enhanced diagnostics and communication capability\u003cbr data-start=\"1486\" data-end=\"1489\"\u003e• Enclosure: IP65 \/ NEMA 4X industrial housing\u003cbr data-start=\"1535\" data-end=\"1538\"\u003e• Mounting: Panel mount (PM), wall, or pipe\u003cbr data-start=\"1581\" data-end=\"1584\"\u003e• Function: Continuous liquid analysis + process control\u003cbr data-start=\"1640\" data-end=\"1643\"\u003e• Product Status: Discontinued legacy EXA analyzer\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"1697\" data-end=\"1723\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1724\" data-end=\"1818\"\u003e• Yokogawa FLXA21 pH Analyzer\u003cbr data-start=\"1753\" data-end=\"1756\"\u003e• Yokogawa FLXA202 pH Analyzer\u003cbr data-start=\"1786\" data-end=\"1789\"\u003e• Yokogawa PH450G Converter\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"New","offer_id":51734601335086,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_cce8d1c8-6c2e-4c4d-aabf-6a98f4131cfd.jpg?v=1770606657","url":"https:\/\/plgautomation.com\/products\/yokogawa-ph402g-e-1-e-pm-exa-ph402-analyzer-transmitter-4-wire","provider":"PLG Automation ","version":"1.0","type":"link"}