{"product_id":"sec-8470f-horiba-stec-high-temperature-mass-flow-controller","title":"SEC-8470F HORIBA STEC High Temperature Mass Flow Controller","description":"\u003ch3\u003e\u003cstrong\u003eHORIBA STEC SEC-8470F | SEC-8000F High Temperature Digital Mass Flow Controller\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#1565C0;\"\u003eSEC-8470F\u003c\/span\u003e\u003c\/strong\u003e is a high-temperature digital mass flow controller from the \u003cstrong\u003eHORIBA STEC SEC-8000F Series\u003c\/strong\u003e. It regulates high-flow process gases in semiconductor manufacturing equipment.\u003c\/p\u003e\n\n\u003cp\u003eUnlike standard unheated mass flow controllers, this model incorporates a heated sensor section. The heating function helps manage gases that may condense or change behavior at lower temperatures.\u003c\/p\u003e\n\n\u003cp\u003eThe controller supports a nitrogen-equivalent full-scale flow rate of \u003cstrong\u003e150 SLM\u003c\/strong\u003e. Its sensor temperature options cover \u003cstrong\u003e80–120°C\u003c\/strong\u003e, depending on the selected configuration.\u003c\/p\u003e\n\n\u003cp\u003eThe unit combines a piezoelectric control valve, electropolished SUS316L wetted surfaces, and metal seals. Its electrical interfaces support analog control and RS-485 F-Net communication.\u003c\/p\u003e\n\n\u003cp\u003eThese characteristics make the \u003cstrong\u003eSEC-8470F\u003c\/strong\u003e suitable for high-flow gas delivery systems. Typical installations include large MOCVD reactors and heated bulk gas lines.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e01 | Product Architecture at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHORIBA STEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color:#1565C0;\"\u003eSEC-8470F\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSEC-8000F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh Temperature Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeated Mass Flow Controller (MFC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull-Scale Flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 SLM, N2 equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Heating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeating Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHL: 80–100°C; HM: 100–120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Valve\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePiezoelectric actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Default State\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormally open when power is off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog and RS-485 F-Net\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003e02 | High-Flow Performance \u0026amp; Control Accuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSEC-8470F\u003c\/strong\u003e provides a 150 SLM full-scale flow capacity. Its control range covers 2% to 100% of full scale.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePerformance Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull-Scale Flow Rate\u003c\/td\u003e\n\u003ctd\u003e150 SLM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference Gas\u003c\/td\u003e\n\u003ctd\u003eNitrogen (N2) equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Range\u003c\/td\u003e\n\u003ctd\u003e2%–100% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurndown Ratio\u003c\/td\u003e\n\u003ctd\u003e50:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy Above 30% FS\u003c\/td\u003e\n\u003ctd\u003e±1.0% of setpoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy at or Below 30% FS\u003c\/td\u003e\n\u003ctd\u003e±0.3% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRepeatability\u003c\/td\u003e\n\u003ctd\u003e±0.3% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinearity\u003c\/td\u003e\n\u003ctd\u003e±0.5% FS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e≤1 second, T98\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineering Interpretation\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Capacity:\u003c\/strong\u003e The 150 SLM rating supports high-volume process gas delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Setpoint Accuracy:\u003c\/strong\u003e The specification changes at the 30% FS threshold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeatability:\u003c\/strong\u003e ±0.3% FS describes consistency across repeated control operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinearity:\u003c\/strong\u003e ±0.5% FS describes deviation from the specified linear flow relationship.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic Response:\u003c\/strong\u003e T98 ≤1 second specifies the response performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Range:\u003c\/strong\u003e The 2%–100% FS range provides a 50:1 turndown ratio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePractical Selection Example:\u003c\/strong\u003e At 150 SLM full scale, 30% FS equals 45 SLM. The low-setpoint accuracy specification applies at or below this threshold.\u003c\/p\u003e\n\n\u003cp\u003eDo not confuse percentage of setpoint with percentage of full scale. These accuracy references use different calculation bases.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e03 | Thermal Management for Process Gas Delivery\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe defining feature of the \u003cstrong\u003e\u003cspan style=\"color:#1565C0;\"\u003eSEC-8470F\u003c\/span\u003e\u003c\/strong\u003e is its heated sensor configuration. It supports applications involving corrosive or condensable process gases.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Section\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Section – HL Type\u003c\/td\u003e\n\u003ctd\u003e80–100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Section – HM Type\u003c\/td\u003e\n\u003ctd\u003e100–120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Section\u003c\/td\u003e\n\u003ctd\u003e5–45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Configuration\u003c\/td\u003e\n\u003ctd\u003eHeated sensor section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Sensor Heating Matters\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eHelps maintain the sensor above the condensation temperature of compatible process gases.\u003c\/li\u003e\n\u003cli\u003eReduces the risk of condensation inside the heated measurement section.\u003c\/li\u003e\n\u003cli\u003eSupports stable measurement conditions for suitable high-temperature gas applications.\u003c\/li\u003e\n\u003cli\u003eProvides different heating ranges for different process requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant Configuration Note:\u003c\/strong\u003e The sensor and valve sections have different temperature limits. The valve section must remain within 5–45°C.\u003c\/p\u003e\n\n\u003cp\u003eDo not assume the entire controller operates at 80–120°C. Verify the selected HL or HM configuration before installation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e04 | Process Wetted Materials \u0026amp; Gas Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eMaterial selection is important when handling corrosive, reactive, or condensable gases. The supplied construction specification identifies electropolished SUS316L stainless steel and metal seals.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWetted Body Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSUS316L stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInternal Surface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectropolished, standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeal Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLeak Integrity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤5 × 10⁻¹² Pa·m³\/s (He)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGas Application\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-temperature process gases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Gas Conditions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCorrosive or condensable gases requiring heating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eMaterial Selection Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eElectropolished surfaces support clean process gas contact.\u003c\/li\u003e\n\u003cli\u003eSUS316L provides a stainless steel wetted construction.\u003c\/li\u003e\n\u003cli\u003eMetal seals avoid reliance on standard elastomer sealing materials.\u003c\/li\u003e\n\u003cli\u003eHelium leak integrity supports demanding gas containment requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEngineering Warning:\u003c\/strong\u003e SUS316L and metal seals do not guarantee compatibility with every corrosive gas. Confirm chemical compatibility, gas purity requirements, and process temperature before selection.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e05 | Pressure Envelope \u0026amp; Gas Line Design\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eCorrect pressure conditions are essential for stable high-flow regulation. The following values define the supplied pressure specifications.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePressure Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Differential Pressure\u003c\/td\u003e\n\u003ctd\u003e50–300 kPa(d)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Pressure\u003c\/td\u003e\n\u003ctd\u003e300 kPa(d)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure Resistance\u003c\/td\u003e\n\u003ctd\u003e1000 kPa(G)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003ePressure Design Notes\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eMaintain the specified differential pressure during normal operation.\u003c\/li\u003e\n\u003cli\u003eCheck upstream supply pressure under actual flow conditions.\u003c\/li\u003e\n\u003cli\u003eEvaluate downstream backpressure and piping restrictions.\u003c\/li\u003e\n\u003cli\u003eKeep operating pressure within the manufacturer's permitted limits.\u003c\/li\u003e\n\u003cli\u003eDo not use the pressure resistance rating as a continuous operating limit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe supplied pressure data uses different reference notations. Confirm the exact pressure definitions and test conditions against the manufacturer documentation before final engineering approval.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e06 | Electrical Interface \u0026amp; Control Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSEC-8000F Series\u003c\/strong\u003e supports analog process control and digital communication through its RS-485 F-Net interface.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAnalog Interface\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetpoint Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1–5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Output Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eDigital Communication\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS-485 F-Net\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38,400 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD-Sub 9-pin and RJ-45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003ePower Supply Requirements\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePositive Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+15 VDC ±5%, 150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNegative Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-15 VDC ±5%, 150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eIntegration Considerations\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify the analog setpoint range before connecting the equipment controller.\u003c\/li\u003e\n\u003cli\u003eConfirm the output signal scaling within the host control system.\u003c\/li\u003e\n\u003cli\u003eCheck RS-485 wiring and communication parameters.\u003c\/li\u003e\n\u003cli\u003eConfirm the F-Net protocol implementation and device compatibility.\u003c\/li\u003e\n\u003cli\u003eVerify connector pin assignments against the applicable wiring documentation.\u003c\/li\u003e\n\u003cli\u003eCheck both positive and negative supply rails during commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e RS-485 describes the electrical communication interface. F-Net defines the specified communication protocol. Do not assume generic Modbus RTU compatibility.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e07 | Mechanical Connection \u0026amp; Installation\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSEC-8470F\u003c\/strong\u003e uses a \u003cstrong\u003e1\/2-inch VCR connection\u003c\/strong\u003e for high-flow gas line integration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Checklist\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n\u003cli\u003eConfirm the 1\/2-inch VCR connection specification.\u003c\/li\u003e\n\u003cli\u003eCheck the gas line cleanliness before installation.\u003c\/li\u003e\n\u003cli\u003eUse compatible metal gasket and fitting components.\u003c\/li\u003e\n\u003cli\u003eVerify the installation direction and flow path.\u003c\/li\u003e\n\u003cli\u003eCheck mounting arrangements and maintenance clearance.\u003c\/li\u003e\n\u003cli\u003eConfirm the sensor heating option before energization.\u003c\/li\u003e\n\u003cli\u003eMaintain the valve section within its specified temperature range.\u003c\/li\u003e\n\u003cli\u003eInspect all gas connections for leakage.\u003c\/li\u003e\n\u003cli\u003eVerify analog and RS-485 wiring before process startup.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eUse suitable VCR installation procedures and manufacturer-approved sealing components. Avoid contamination during connection assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplacement Advice:\u003c\/strong\u003e Check the fitting size and center distance before replacing an existing controller. A matching flow rating does not guarantee mechanical interchangeability.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e08 | Process Applications \u0026amp; Equipment Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#1565C0;\"\u003eHORIBA STEC SEC-8470F\u003c\/span\u003e\u003c\/strong\u003e is intended for high-flow gas delivery where sensor heating is necessary.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngineering Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLarge MOCVD Reactors\u003c\/td\u003e\n\u003ctd\u003eHigh-capacity process gas regulation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeated Bulk Gas Lines\u003c\/td\u003e\n\u003ctd\u003eTemperature-controlled gas measurement conditions.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorrosive Gas Delivery\u003c\/td\u003e\n\u003ctd\u003eCompatible wetted materials and metal sealing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondensable Gas Systems\u003c\/td\u003e\n\u003ctd\u003eHeated sensor operation to manage condensation risk.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSemiconductor Gas Panels\u003c\/td\u003e\n\u003ctd\u003eHigh-flow control with analog and digital interfaces.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFor these applications, engineers should evaluate gas chemistry, flow demand, pressure stability, and thermal conditions together.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e09 | Compliance \u0026amp; Product Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoHS:\u003c\/strong\u003e RoHS compliant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standards:\u003c\/strong\u003e SEMI standards compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eConfirm the applicable SEMI standard numbers and supporting declarations against the exact product documentation. Do not assume additional hazardous-area or safety certifications.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e10 | Configuration \u0026amp; Replacement Verification\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eBefore ordering the \u003cstrong\u003e\u003cspan style=\"color:#1565C0;\"\u003eSEC-8470F\u003c\/span\u003e\u003c\/strong\u003e, confirm the complete process configuration. The heating range, gas compatibility, and electrical interface affect replacement suitability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePre-Purchase Verification\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SEC-8470F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SEC-8000F High Temperature Digital.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Capacity:\u003c\/strong\u003e 150 SLM, N2 equivalent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating Type:\u003c\/strong\u003e HL or HM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Compatibility:\u003c\/strong\u003e Confirm the actual process gas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing:\u003c\/strong\u003e Verify metal seal configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Confirm 1\/2-inch VCR fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication:\u003c\/strong\u003e Verify analog and RS-485 F-Net requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Confirm dual ±15 VDC supply availability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Behavior:\u003c\/strong\u003e Confirm normally open operation when power is off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure:\u003c\/strong\u003e Check differential and maximum operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCritical Selection Point:\u003c\/strong\u003e Do not substitute an unheated MFC solely because it has the same nominal flow capacity. Heating capability is a functional requirement for the specified process conditions.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e11 | Five Professional Engineering FAQs\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: How should engineers choose between the HL and HM heating configurations?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe HL configuration covers 80–100°C. The HM configuration covers 100–120°C. Selection depends on the process gas temperature requirements and condensation characteristics. Engineers should evaluate the gas vapor behavior, line temperature, and process operating conditions before choosing either option.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Why is the valve section limited to 5–45°C when the sensor reaches 120°C?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe sensor and valve sections have separate thermal operating limits. The heated design targets the measurement section rather than the entire assembly. Excessive valve-section temperature may affect its operating conditions. Maintain suitable thermal separation and cabinet ventilation during installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What does normally open when power is off mean for gas system safety?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe piezoelectric valve has a normally open default state without power. Gas flow may therefore remain possible after power loss. Engineers must evaluate the upstream isolation valve and system shutdown sequence. Never rely on this controller alone for emergency gas isolation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4: How can engineers diagnose unstable flow after replacing the controller?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFirst, verify the selected heating configuration and allow the sensor to reach its specified operating temperature. Then check the gas calibration, differential pressure, and setpoint scaling. Inspect the VCR connections and electrical supply rails. Finally, compare the analog output with the host controller reading.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5: Can the SEC-8470F operate through RS-485 without using its analog interface?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe supplied specifications identify both analog signals and RS-485 F-Net communication. However, the available operating modes and command functions require confirmation from the communication manual. Check the host controller's F-Net support, device configuration, and wiring requirements before designing a digital-only connection.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003e12 | Ordering Information \u0026amp; Technical Support\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eLooking for the \u003cstrong\u003e\u003cspan style=\"color:#1565C0;\"\u003eHORIBA STEC SEC-8470F\u003c\/span\u003e\u003c\/strong\u003e High Temperature Mass Flow Controller?\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHORIBA STEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSEC-8470F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSEC-8000F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeated Digital Mass Flow Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 SLM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeating Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80–120°C, configuration dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnalog \/ RS-485 F-Net\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 months, subject to sales terms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePre-Shipment Inspection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAvailable before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL, FedEx, UPS, and other supported carriers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eContact our sales team for current pricing, availability, and delivery information. Include your process gas, heating option, and connection requirements when requesting a quotation.\u003c\/p\u003e","brand":"HORIBA","offers":[{"title":"Default Title","offer_id":68027799240886,"sku":"SEC-8470F","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/SEC-N100.jpg?v=1794281953","url":"https:\/\/www.plcsparehub.com\/products\/sec-8470f-horiba-stec-high-temperature-mass-flow-controller","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}