{"product_id":"yokogawa-ph402g-e-1-e-pm-exa-ph402-analyzer-transmitter","title":"YOKOGAWA PH402G-E-1-E PM EXA PH402 ANALYZER TRANSMITTER","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"559\"\u003eThe Yokogawa PH402G-E-1-E EXA pH\/ORP Analyzer Transmitter is used in industrial liquid analysis systems to measure pH and oxidation-reduction potential (ORP) and convert sensor signals into standardized outputs for process control. Commonly installed in chemical plants, water treatment facilities, and industrial process environments where continuous liquid monitoring is required. Maintenance teams, OEMs, and system integrators use this analyzer for process monitoring, dosing control, and replacement of legacy EXA series instruments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"561\" data-end=\"580\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"581\" data-end=\"1042\"\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 real-time measurement, alarm handling, and control outputs for chemical dosing or neutralization, ensuring process stability and compliance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"1044\" data-end=\"1075\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1076\" data-end=\"2376\"\u003e• Manufacturer: Yokogawa\u003cbr data-start=\"1100\" data-end=\"1103\"\u003e• Model \/ Part Number: PH402G-E-1-E\u003cbr data-start=\"1138\" data-end=\"1141\"\u003e• Product Type: pH \/ ORP Analyzer Transmitter (EXA Series)\u003cbr data-start=\"1199\" data-end=\"1202\"\u003e• Measurement Range: pH -2 to 16, ORP -1500 to +1500 mV \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1295\" data-end=\"1298\"\u003e• Input: Dual high-impedance sensor inputs (≥10¹³ Ω) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1388\" data-end=\"1391\"\u003e• Output Signals: Dual isolated 4–20 mA outputs + relay outputs \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1492\" data-end=\"1495\"\u003e• Control Capability: Built-in PI control (mA and relay outputs) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1597\" data-end=\"1600\"\u003e• Power Supply: 100–240 VAC, 50\/60 Hz \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1675\" data-end=\"1678\"\u003e• Power Consumption: ~10 VA \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1743\" data-end=\"1746\"\u003e• Temperature Compensation: Automatic + process compensation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1844\" data-end=\"1847\"\u003e• Communication: RS-485 digital communication supported \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1940\" data-end=\"1943\"\u003e• Display: LCD with diagnostic and calibration interface \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2037\" data-end=\"2040\"\u003e• Enclosure: IP65 \/ NEMA 4X industrial housing \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2126\" data-end=\"2129\"\u003e• Diagnostics: Advanced sensor diagnostics (impedance, stability, response) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"2244\" data-end=\"2247\"\u003e• Mounting: Panel, wall, or pipe mount\u003cbr data-start=\"2285\" data-end=\"2288\"\u003e• Product Status: Discontinued legacy analyzer \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"2378\" data-end=\"2404\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2405\" data-end=\"2497\"\u003e• Yokogawa FLXA21 pH Analyzer\u003cbr data-start=\"2434\" data-end=\"2437\"\u003e• Yokogawa FLXA202 pH Analyzer\u003cbr data-start=\"2467\" data-end=\"2470\"\u003e• Yokogawa \u003ca href=\"https:\/\/plgautomation.com\/products\/yokogawa-ph-orp-converter-exaxt450-ph450g?_pos=1\u0026amp;_sid=961bea9e3\u0026amp;_ss=r\"\u003ePH450G\u003c\/a\u003e Converter\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51734601957678,"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_c5bd4567-3687-438b-80ab-df51e0b451f7.jpg?v=1770606659","url":"https:\/\/plgautomation.com\/products\/yokogawa-ph402g-e-1-e-pm-exa-ph402-analyzer-transmitter","provider":"PLG Automation ","version":"1.0","type":"link"}