The STEC SEC-500MK3 is a heavy-duty industrial mass flow controller engineered for precise gas flow measurement and control in demanding process applications. It utilizes a thermal sensing principle with a capillary sensor and bypass to deliver accurate, repeatable flow control independent of temperature and pressure fluctuations.
STEC SEC-500MK3 Technical Specifications
| Parameter | Specification |
|---|---|
| Flow Range | 0–500 sccm (N2 equivalent) |
| Accuracy | ±1% of setpoint (typical) |
| Repeatability | ±0.5% of full scale |
| Response Time | ≤1 second (to within ±2% of final value) |
| Operating Pressure | 0–0.5 MPa (gauge) |
| Proof Pressure | 1.0 MPa |
| Leak Integrity | 1×10⁻⁹ Pa·m³/s He |
| Control Valve Type | Normally closed solenoid valve |
| Wetted Materials | Stainless steel 316L, PTFE, Viton |
| Electrical Connection | D-sub 9-pin or terminal block |
| Supply Voltage | ±15 VDC or 24 VDC (model dependent) |
| Output Signal | 0–5 VDC or 4–20 mA |
| Operating Temperature | 5–50 °C |
| Ingress Protection | IP40 (IP65 optional) |
| Mounting | Inline or manifold (1/4″ VCR or Swagelok) |
Key Engineering Features
- Thermal mass flow sensing with capillary sensor and bypass for accurate, drift-free measurement.
- Fast response time and high repeatability for dynamic process control.
- Normally closed solenoid control valve ensures fail-safe operation.
- Stainless steel 316L wetted parts for corrosion resistance and high purity gas compatibility.
- Compact, modular design for easy integration into gas panels and OEM systems.
- Analog and digital interface options for flexible system connectivity.
Industrial Applications
- Semiconductor manufacturing: gas delivery in CVD, etch, and diffusion processes.
- Analytical instrumentation: carrier gas and sample flow control in GC and mass spectrometry.
- Pharmaceutical and biotech: precise gas flow in bioreactors and fermentation systems.
- Research and development: laboratory gas mixing and flow calibration.
- Industrial process control: blanketing, purging, and reaction gas dosing.
For technical inquiries, dimensional drawings, or replacement support for STEC SEC-500MK3, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
STEC SEC-500MK3 Mass Flow Controller
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the STEC SEC-500MK3 Mass Flow Controller. This precision-engineered industrial component delivers reliable performance and accurate operation for demanding industrial systems.