STACKFLOW 200 – Continuous Emissions Monitoring Solution from Greensense VN
At Greensense VN, we provide the STACKFLOW 200 solution, utilizing advanced Averaging Pitot sensor technology to enable continuous monitoring of stack gas velocity, flow rate, temperature, and pressure. The system can operate as a standalone device or be integrated with SA & PCME environmental analyzers and controllers, allowing comprehensive monitoring of particulate matter, gases, and emissions within a fully integrated monitoring network.
PCME STACKFLOW 200 – Flue Gas Flow Measurement System
Key Features
- Averaging Pitot Probe: Enhances measurement accuracy for gas velocity, temperature, and pressure.
- Automatic Zero/Span Check: Compliant with international standards EN 14181, QAL3, and US EPA PS-6.
- Self-Cleaning Cycle: Reduces maintenance requirements and extends instrument lifespan.
- Optional Gas Sampling Port: Enables easy integration with CEMS systems.
- Integrated Flange: Saves installation time and cost while improving stack connection compatibility.
- Multiple Probe Length Options: Three selectable lengths ensure representative sampling for a wide range of applications.
- Scalable Architecture: Can be used independently or combined with multi-channel controllers and additional sensors to calculate total emission rates.

Main Technical Specifications
| Parameter | Value |
|---|---|
| Stack Gas Temperature | -20°C to 500°C |
| Dust Concentration | Up to 150 mg/m³ |
| Stack Diameter | 0.45 – 5 m |
| Ambient Temperature | -20°C to 50°C |
| Gas Velocity Range (Primary Certification) | 2 – 30 m/s |
| Gas Velocity Range (Extended Certification) | 2 – 50 m/s |
| Minimum Detectable Velocity | 2 m/s |
| Resolution | 0.1 m/s |
| Misalignment Error (Linearity) | < 0.3 m/s (below 30 m/s), < 0.5 m/s (above 30 m/s) |
| Zero/Span Drift | 0.1 m/s per month |
| Active Measurement Length | 0.5 – 1.5 m |
| Response Time | 15 seconds |
| Stack Pressure Range | 600 – 1100 mbar (±1%) |
| Stack Temperature Range | 0 – 500°C |
| Temperature Accuracy | ±1.5°C (below 250°C), ±3.3°C (250 – 500°C) |
Applications at Greensense VN
STACKFLOW 200 is an ideal solution for power plants and industrial facilities requiring continuous and accurate emissions monitoring to ensure compliance with environmental regulations. The system offers easy installation, flexible integration with existing monitoring systems, and helps enterprises control flue gas quality, minimize environmental risks, and optimize operational costs.
Contact Greensense VN Today
Contact Greensense VN to own the STACKFLOW 200. Our team of experts is always ready to provide professional consultation and installation support, ensuring the most optimal solution for your monitoring needs.
Ho Chi Minh City Office: PetroVietnam Landmark Apartment – 65 Mai Chi Tho Street, Quarter 13, Binh Trung Ward, Ho Chi Minh City, Vietnam
Hanoi Office: Van Ho Inter-Agency Complex – 52 Le Dai Hanh Street, Hai Ba Trung Ward, Hanoi City, Vietnam
Website: Greensensevn.com
Email: info@greensensevn.com



