{"product_id":"e29h-1tbfl1b-mks-e29h-etch-baratron-gauge","title":"E29H.1TBFL1B MKS E29H Etch Baratron Gauge","description":"\n\u003ch3\u003e\u003cstrong\u003eMKS E29H.1TBFL1B | Heated Etch Sensor Baratron Pressure Transducer\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eEtch process environments place demanding requirements on vacuum pressure measurement. Process byproducts can accumulate on exposed sensing surfaces and affect long-term zero stability.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMKS Instruments E29H.1TBFL1B\u003c\/strong\u003e addresses this challenge with a specialized heated Etch Sensor design. It belongs to the \u003cstrong\u003eMKS E29H Series (600 Series)\u003c\/strong\u003e and provides absolute pressure measurement across a \u003cstrong\u003e0.1 Torr full-scale range\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe instrument maintains its sensor temperature at \u003cstrong\u003e100°C\u003c\/strong\u003e. Its patented integrated sump structure helps protect the sensing diaphragm from process byproduct deposition. This design supports demanding semiconductor etch applications.\u003c\/p\u003e\n\n\u003cp\u003eThe transducer provides a 0–10 VDC analog output through a 9-pin D-sub connector. Its 8 VCR female process fitting supports compatible high-purity vacuum connections.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eE29H.1TBFL1B\u003c\/strong\u003e also offers full compatibility with earlier MKS 629 and E29 Baratron manometers, according to the supplied product specifications.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e01 | Product Identity and Engineering Positioning\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eIdentification\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMKS Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComplete Model\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE29H.1TBFL1B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE29H Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003e600 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeated Etch Sensor Baratron Pressure Transducer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eCapacitance Manometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Reference\u003c\/td\u003e\n\u003ctd\u003eAbsolute Pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Scale Range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.1 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControlled Sensor Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Orientation\u003c\/td\u003e\n\u003ctd\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess Connection\u003c\/td\u003e\n\u003ctd\u003e8 VCR Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connection\u003c\/td\u003e\n\u003ctd\u003e9-pin D-sub with thread locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtch Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated patented sump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003e02 | Etch Sensor Technology and Structural Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe defining feature of the \u003cstrong\u003eE29H Series\u003c\/strong\u003e is its specialized etch sensor construction. The integrated sump addresses contamination risks in reactive process environments.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign Feature\u003c\/th\u003e\n\u003cth\u003eEngineering Function\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeated Sensing Assembly\u003c\/td\u003e\n\u003ctd\u003eMaintains a controlled sensor temperature of 100°C.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtch Sensor Structure\u003c\/td\u003e\n\u003ctd\u003eAddresses process byproduct accumulation around the sensing diaphragm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Sump\u003c\/td\u003e\n\u003ctd\u003eHelps prevent process deposits from reaching the isolation diaphragm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInconel Wetted Materials\u003c\/td\u003e\n\u003ctd\u003eProvides the specified process-contact material construction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacitance Measurement\u003c\/td\u003e\n\u003ctd\u003eMeasures absolute pressure through diaphragm displacement.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003ePatented Design:\u003c\/strong\u003e The integrated sump incorporates patented technology under US Patent No. 5,822,685.\u003c\/p\u003e\n\n\u003cp\u003eIn etch applications, deposited process residues can alter diaphragm behavior and contribute to measurement drift. The sump design helps limit this exposure and supports more consistent pressure monitoring.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e03 | Configuration Breakdown – Ordering Code Structure\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe complete ordering number identifies the instrument family, pressure range, unit, and selected hardware configuration. The following tree separates confirmed specifications from code interpretations requiring original manufacturer documentation.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCode Segment\u003c\/th\u003e\n\u003cth\u003eConfiguration Category\u003c\/th\u003e\n\u003cth\u003eIdentification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eE29H\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eMKS heated Etch Sensor Baratron family\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e.1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull-Scale Code\u003c\/td\u003e\n\u003ctd\u003e0.1 Torr range configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure Unit\u003c\/td\u003e\n\u003ctd\u003eTorr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal Configuration Code\u003c\/td\u003e\n\u003ctd\u003eRequires confirmation against the original ordering code table; supplied specification states 100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProcess Connection Code\u003c\/td\u003e\n\u003ctd\u003eSupplied configuration specifies 8 VCR female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eL1B\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrical and Factory Configuration\u003c\/td\u003e\n\u003ctd\u003eSupplied configuration specifies 9-pin D-sub and vertical calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eComplete Ordering Number:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eE29H\u003c\/strong\u003e – Heated Etch Sensor product family\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e.1T\u003c\/strong\u003e – 0.1 Torr pressure range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB\u003c\/strong\u003e – Configuration code requiring manufacturer verification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eF\u003c\/strong\u003e – Connection configuration associated with the supplied 8 VCR female specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1B\u003c\/strong\u003e – Additional electrical and factory configuration identifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrdering Note:\u003c\/strong\u003e Do not infer the heater temperature, connector pin count, or calibration orientation from individual suffix characters alone. Confirm these details against the complete manufacturer ordering documentation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e04 | Measurement Performance and Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe low-range sensing configuration supports precise absolute pressure monitoring. Its specified accuracy includes non-linearity, hysteresis, and non-repeatability.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasurement Parameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Type\u003c\/td\u003e\n\u003ctd\u003eAbsolute Pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Scale Range\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e0.1 Torr\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0.50% of Reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy Components\u003c\/td\u003e\n\u003ctd\u003eNon-linearity, hysteresis, and non-repeatability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e0.001% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEquivalent Resolution\u003c\/td\u003e\n\u003ctd\u003e0.000001 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Temperature\u003c\/td\u003e\n\u003ctd\u003e100°C controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarm-Up Time\u003c\/td\u003e\n\u003ctd\u003e4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration Orientation\u003c\/td\u003e\n\u003ctd\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eMeasurement Interpretation:\u003c\/strong\u003e The 0.50% of Reading specification describes accuracy. The 0.001% F.S. value describes resolution. Resolution does not represent guaranteed measurement accuracy.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e05 | Thermal Characteristics and Operating Conditions\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe heated assembly maintains a controlled sensor temperature of 100°C. This thermal arrangement supports measurement stability in semiconductor process environments.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eThermal Parameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControlled Sensor Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e15 to 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarm-Up Time\u003c\/td\u003e\n\u003ctd\u003e4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Temperature Coefficient\u003c\/td\u003e\n\u003ctd\u003e0.01% F.S.\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpan Temperature Coefficient\u003c\/td\u003e\n\u003ctd\u003e0.02% of Reading\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineering Consideration:\u003c\/strong\u003e The internal sensor temperature differs from the surrounding ambient temperature. Maintain the specified ambient range during operation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e06 | Electrical Interface and Signal Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe instrument uses a voltage-based analog output. It supports integration with compatible PLC analog input modules and industrial data acquisition systems.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Parameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e±15 VDC, ±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e0.50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Output\u003c\/td\u003e\n\u003ctd\u003e0 to +10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Load\u003c\/td\u003e\n\u003ctd\u003eGreater than 10 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connector\u003c\/td\u003e\n\u003ctd\u003e9-pin D-sub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Retention\u003c\/td\u003e\n\u003ctd\u003eThread locks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Point Outputs\u003c\/td\u003e\n\u003ctd\u003eNot available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeater Status LED\u003c\/td\u003e\n\u003ctd\u003eNot available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eIntegration Recommendations:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eProvide a regulated ±15 VDC power source.\u003c\/li\u003e\n\u003cli\u003eVerify the available supply current before installation.\u003c\/li\u003e\n\u003cli\u003eUse an analog input compatible with 0–10 VDC signals.\u003c\/li\u003e\n\u003cli\u003eMaintain an input impedance above 10 kΩ.\u003c\/li\u003e\n\u003cli\u003eCheck the 9-pin D-sub pin assignment before wiring.\u003c\/li\u003e\n\u003cli\u003eApply appropriate signal shielding and grounding practices.\u003c\/li\u003e\n\u003cli\u003eDo not expect relay outputs or local heater status indication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003e07 | Process Interface and Mechanical Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe 8 VCR female connection supports high-purity process gas plumbing. Inconel forms the specified wetted material construction.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMechanical Parameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess Fitting\u003c\/td\u003e\n\u003ctd\u003e8 VCR Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWetted Materials\u003c\/td\u003e\n\u003ctd\u003eInconel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Volume\u003c\/td\u003e\n\u003ctd\u003e6.3 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverpressure Limit\u003c\/td\u003e\n\u003ctd\u003e45 psia (310 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Diameter\u003c\/td\u003e\n\u003ctd\u003e3.15 in (80.0 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Height\u003c\/td\u003e\n\u003ctd\u003e3.87 in (98.4 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStem Length\u003c\/td\u003e\n\u003ctd\u003e1.38 in (35.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCE compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eMechanical Installation:\u003c\/strong\u003e Verify fitting compatibility, sealing surfaces, and installation clearance. Use suitable VCR connection components for the process system.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e08 | Installation and Commissioning Procedure\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eCorrect installation helps preserve the calibrated measurement condition. The following sequence supports systematic equipment commissioning.\u003c\/p\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the Model:\u003c\/strong\u003e Confirm the complete E29H.1TBFL1B ordering number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the Range:\u003c\/strong\u003e Verify the 0.1 Torr full-scale requirement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm Orientation:\u003c\/strong\u003e Install according to the vertical calibration specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect the Fitting:\u003c\/strong\u003e Check the 8 VCR female connection and mating components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the Process Line:\u003c\/strong\u003e Remove contamination from the connection surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Mechanical Installation:\u003c\/strong\u003e Follow the appropriate VCR installation procedure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Power:\u003c\/strong\u003e Apply the specified ±15 VDC supply.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect the Signal:\u003c\/strong\u003e Verify the 9-pin D-sub wiring and analog input configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow Thermal Stabilization:\u003c\/strong\u003e Complete the four-hour warm-up period.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValidate Measurement:\u003c\/strong\u003e Compare the output against a suitable calibrated reference.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003e\u003cstrong\u003e09 | Maintenance and Process Reliability\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eEtch process byproducts can influence vacuum sensing performance. Maintenance should focus on process cleanliness, thermal stability, and signal integrity.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaintenance Focus\u003c\/th\u003e\n\u003cth\u003eEngineering Action\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtch Residue\u003c\/td\u003e\n\u003ctd\u003eInspect the process system for abnormal deposition or contamination.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum Connection\u003c\/td\u003e\n\u003ctd\u003eCheck VCR sealing surfaces and connection integrity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZero Stability\u003c\/td\u003e\n\u003ctd\u003eVerify reference pressure and calibration conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Stabilization\u003c\/td\u003e\n\u003ctd\u003eAllow the specified four-hour warm-up period.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Integrity\u003c\/td\u003e\n\u003ctd\u003eInspect supply voltage, grounding, and analog wiring.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Verification\u003c\/td\u003e\n\u003ctd\u003eCompare readings against an independent reference instrument.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eService Recommendation:\u003c\/strong\u003e Avoid unauthorized disassembly of the sensing assembly. Follow MKS procedures when cleaning, inspecting, or recalibrating the instrument.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e10 | System Compatibility and Replacement Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eE29H.1TBFL1B\u003c\/strong\u003e targets semiconductor vacuum applications that require low-pressure monitoring under etch process conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eSemiconductor plasma etching equipment\u003c\/li\u003e\n\u003cli\u003eReactive ion etching process systems\u003c\/li\u003e\n\u003cli\u003eVacuum chamber pressure monitoring\u003c\/li\u003e\n\u003cli\u003eSemiconductor process gas equipment\u003c\/li\u003e\n\u003cli\u003eHigh-purity vacuum assemblies\u003c\/li\u003e\n\u003cli\u003eCompatible MKS Baratron instrumentation systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eLegacy Compatibility:\u003c\/strong\u003e The supplied specification identifies full compatibility with earlier MKS 629 and E29 Baratron manometers. Verify the complete electrical and mechanical configuration before replacement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplacement Checklist:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConfirm the 0.1 Torr full-scale range.\u003c\/li\u003e\n\u003cli\u003eVerify the absolute pressure measurement requirement.\u003c\/li\u003e\n\u003cli\u003eCheck the 100°C sensor temperature specification.\u003c\/li\u003e\n\u003cli\u003eConfirm the 8 VCR female process connection.\u003c\/li\u003e\n\u003cli\u003eMatch the 9-pin D-sub electrical interface.\u003c\/li\u003e\n\u003cli\u003eVerify the ±15 VDC power requirement.\u003c\/li\u003e\n\u003cli\u003ePreserve the vertical calibration orientation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003e11 | Certifications and Compliance\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCE Compliance:\u003c\/strong\u003e The specified model is CE compliant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Measurement:\u003c\/strong\u003e Absolute capacitance measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Construction:\u003c\/strong\u003e Inconel wetted materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Connection:\u003c\/strong\u003e 8 VCR female.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Etch Design:\u003c\/strong\u003e US Patent No. 5,822,685.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRequest the applicable manufacturer's declaration and supporting technical documents when your project requires formal compliance verification.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e12 | Five Professional Engineering FAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: Why does an etch-specific pressure transducer need an integrated sump?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Etch processes can generate byproducts that migrate through the vacuum system. The integrated sump helps limit their accumulation on the isolation diaphragm. This reduces one potential source of measurement drift and maintenance problems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: What should engineers consider when replacing an older MKS 629 or E29 instrument?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Check the mounting arrangement, fitting dimensions, electrical pinout, pressure range, and analog signal requirements. The stated legacy compatibility does not eliminate the need to verify the installed system configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: How should maintenance teams investigate gradual zero drift in an etch chamber?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e First, inspect process contamination and vacuum connection integrity. Then verify the warm-up period and compare the reading with an independent reference. Avoid assuming that every zero shift indicates an electronic failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4: Is the E29H suitable for applications that require a local heater-ready indicator?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e This configuration does not include a heater status LED. If operators require local heater indication, select a model with a confirmed indicator function or provide an appropriate external monitoring solution.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5: How should procurement teams choose between an E29H and a standard heated Baratron?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Consider the process chemistry and deposition risk first. An etch-specific sensing structure offers a design advantage where process byproducts threaten diaphragm cleanliness. Also compare range, sensor temperature, fittings, accuracy, and electrical configuration.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e13 | Commercial Terms and Ordering Information\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eWe support semiconductor equipment maintenance, vacuum instrumentation replacement, and industrial automation procurement.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCommercial Information\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eMKS Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE29H.1TBFL1B\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eE29H \/ 600 Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeated Etch Sensor Baratron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e0.1 Torr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Temperature\u003c\/td\u003e\n\u003ctd\u003e100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcess Connection\u003c\/td\u003e\n\u003ctd\u003e8 VCR Female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e12 months\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Methods\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFedEx \/ UPS \/ DHL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003e12-Month Warranty:\u003c\/strong\u003e We provide a 12-month warranty against covered product defects, subject to the agreed sales terms and warranty conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInternational Delivery:\u003c\/strong\u003e We support FedEx, UPS, and DHL shipping options. Delivery arrangements depend on destination and order confirmation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRequest a Quotation:\u003c\/strong\u003e Contact our sales team for pricing, availability, lead time, and technical support. Provide the complete model number and process requirements to help verify the correct configuration.\u003c\/p\u003e\n","brand":"MKS Instruments","offers":[{"title":"Default Title","offer_id":68020406321334,"sku":"E29H.1TBFL1B","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/E29H.1TBFL1B.jpg?v=1794209203","url":"https:\/\/www.plcsparehub.com\/products\/e29h-1tbfl1b-mks-e29h-etch-baratron-gauge","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}