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Stackflow200 - QAL1 certified Stack Flowmeter

Stackflow200 - QAL1 certified Stack Flowmeter

Product catalog summary

Overview: The STACKFLOW 200 is a flue gas velocity measurement system designed for continuous, high-quality monitoring of flue gas velocity, temperature, and pressure. It supports volumetric flow rate and pollutant mass release measurements, with normalization to standard reference conditions. The system is modular and can be upgraded for challenging applications, ensuring compliance with quality assurance and regulatory standards (QAL3).

Features and Benefits: The system is certified to EN 15267-3 and QAL1 as defined by EN 14181, and approved using EN 16911-2. It is also US EPA PS-6 capable. The robust sensor design provides accurate measurements, and the system includes manual reference self-checks for quality assurance.

Technical Specifications: The sensor is made from 316 stainless steel, with a coated option for corrosive applications. The system dimensions are W 350 x H 475 x D 127 mm, with an IP66 enclosure rating. It operates on a 24V DC power supply, with average and maximum power consumption of 135 mA and 400 mA, respectively. Outputs include 2x RS-485 Modbus, 1x Relay output, and 1x 4-20mA output. The system requires dry, clean instrument air at 2–6 bar pressure.

Velocity Measurement: The system has a response time of 15 seconds, with a gas velocity range of 3-30 m/s (main certification) and 3-50 m/s (extended certification). The minimum detection velocity is 3 m/s, with a resolution of 0.1 m/s. Linearity is < 0.3 m/s from 2-30 m/s and < 0.5 m/s above 30 m/s. Zero and span drift are both < 0.1 m/s per month.

Application Conditions: The system operates in stack temperatures from -20 to 800°C (standard sensor) and -20 to 200°C (coated sensor). It can handle stack dust concentrations up to 1,000 mg/m3 and stack pressures of 600–1100 hPa. The ambient temperature range is -20°C to 50°C.

Accessory Options: Recommended accessories include a back purge for dust load applications > 50 mg/m³, a DUST TOOLS software suite, and an inbuilt gas sampling port.

Catalog excerpts

Stackflow200 - QAL1 certified Stack Flowmeter-1

FLUE GAS VELOCITY MEASUREMENT SYSTEM envea A unique and robust sensor and monitoring system design provides representative flue gas velocity, pressure and temperature measurement FEATURES AND BENEFITS ■ Modular system flexibility with upgrade solutions for challenging application conditions ■ Manual reference self-checks for quality assurance and regulatory compliance (QAL3) ■ Continuous high-quality measurement of flue gas velocity, temperature and pressure ■ Volumetric flow rate, pollutant mass release and normalisation to standard reference conditions Certified to EN 15267-3 With QAL1 as defined by EN 14181 Approved using EN 16911-2 US EPA PS-6 capable

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Stackflow200 - QAL1 certified Stack Flowmeter-2

STACKFLOW 200 FLUE GAS VELOCITY MEASUREMENT SYSTEM TECHNICAL SPECIFICATIONS VELOCITY MEASUREMENT SENSOR COMMON Probe Material 316 SS Coated probe for corrosive applications System dimensions outside the stack (from flange) Enclosure Rating Power Supply Voltage 24V DC (via a Control Unit or separate power supply) Power Consumption Average load: 135 mA (24 V) Max. load: 400 mA (24 V) (during system purge) Dry, clean (oil-free) instrument air. Pressure: 2–6 bar Max. flow rate: 20 litres/minute Average daily consumption: 0.25 m3 Cable entries 2 x M20 cable entry glands Dia 6-12mm cable Response Time...

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