{"product_id":"627bretdd2p-mks-instruments-baratron-627b-vacuum-gauge","title":"627BRETDD2P MKS Instruments Baratron 627B Vacuum Gauge","description":"\u003ch3\u003e\u003cstrong\u003eEngineering Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e627BRETDD2P\u003c\/strong\u003e\u003c\/span\u003e is a high-precision, heated absolute capacitance manometer engineered by \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eMKS Instruments\u003c\/strong\u003e\u003c\/span\u003e within the renowned \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBaratron® Type 627B\u003c\/strong\u003e\u003c\/span\u003e series. Designed for demanding semiconductor fabrication and ultra-clean vacuum processes, this sensor delivers independent total pressure measurement with exceptional thermal stability.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MKS Instruments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e627BRETDD2P\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eBaratron® Type 627B Series\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Heated Absolute Capacitance Manometer Vacuum Gauge\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Scale Range:\u003c\/strong\u003e 33.33 Pa (0.25 Torr \/ 250 mTorr)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Accuracy:\u003c\/strong\u003e ±0.15% of reading\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Control Temperature:\u003c\/strong\u003e 45°C stable constant temperature housing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply Requirement:\u003c\/strong\u003e ±15 VDC (≤ 250 mA) dual rail power\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnalog Output Signal:\u003c\/strong\u003e 0 to 10 VDC linear pressure output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWetted Materials:\u003c\/strong\u003e Inconel® 600 nickel-based alloy for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical Connector:\u003c\/strong\u003e 15-pin D-sub type with slide locks\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcess Connection:\u003c\/strong\u003e NW-16-KF (KF16 quick-release flange)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eModel Code Configuration Breakdown (627B - RE - T - D - D - 2 - P)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e627B:\u003c\/strong\u003e 45°C temperature-controlled absolute capacitance gauge base\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRE:\u003c\/strong\u003e 33.33 Pa (0.25 Torr) full-scale pressure range option\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eT:\u003c\/strong\u003e Metric calibration \/ pressure unit scale format\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD:\u003c\/strong\u003e NW-16-KF vacuum process flange fitting\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eD:\u003c\/strong\u003e ±0.15% measurement accuracy class\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2:\u003c\/strong\u003e Integrated heater status and operational LED indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eP:\u003c\/strong\u003e 15-pin D-sub connector configuration with slide locks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWarranty \u0026amp; Express Logistics Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Protection:\u003c\/strong\u003e Fully covered by a 12-month operational quality warranty.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpress Global Shipping:\u003c\/strong\u003e Rapid dispatch worldwide via trusted couriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does the 627BRETDD2P require a dedicated warm-up period before recording process pressures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The internal heater must stabilize at precisely 45°C to eliminate ambient thermal fluctuations; allowing 2 to 4 hours of warm-up prevents baseline zero drift during ultra-low-pressure readings.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What installation orientation is recommended to achieve factory calibration accuracy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The sensor should be mounted in a strict vertical position with the vacuum process port facing downward to minimize gravitational mechanical stress on the delicate internal diaphragm.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is the 627BRETDD2P affected by the chemical composition of process chamber gases?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No, Baratron capacitance manometers measure true total absolute pressure independently of gas composition, making them immune to gas-dependent thermal conductivity errors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How can technicians verify if the internal 45°C heater circuit has reached operational readiness?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The integrated status LED indicator (designated by suffix code 2) will illuminate to confirm that the internal temperature control loop has stabilized at its set point.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What selection criteria matter most when replacing legacy low-range vacuum gauges with this model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Always verify your maximum operating pressure against the 33.33 Pa (0.25 Torr) full-scale limit, confirm your controller provides clean ±15 VDC power, and match the KF16 flange size to your existing foreline or chamber port.\u003c\/p\u003e","brand":"MKS Instruments","offers":[{"title":"Default Title","offer_id":68057989382326,"sku":"627BRETDD2P","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/627H21TBC1B_54a1cf30-2d72-4daa-b769-46ee66db7f43.jpg?v=1794548097","url":"https:\/\/www.plcsparehub.com\/products\/627bretdd2p-mks-instruments-baratron-627b-vacuum-gauge","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}