Gas Flow Meters
Gasboard-7900
Ultrasonic Flue Gas Flowmeter
- Model
- Gasboard-7900
- Category
- Flow, Pressure & Process Instruments › Gas Flow Meters
Parameters: Flue gas flow
IndustriesEmission Monitoring
Measurement PrincipleUltrasonic
Overview
Gasboard-7900 is a high-temperature ultrasonic flue gas flowmeter based on time-of-flight measurement between one or more transducer pairs. Non-contact measurement copes with uneven flow profiles and hot, humid, dusty flue gas, covering stack diameters of 0.3-12 m and velocities down to 0.1 m/s.
Key Features
- Suitable for acid or wet gas flow measurement, measurement result is not affected by gas composition changes.
- Large measuring caliber range, support 0.3-12m stack diameter.
- Ultra-low flow rates measurement with lower detection limit of 0.1m/s.
- It can be flexibly configured according to requirements, and one or more ultrasonic transceivers can be used for measurement.
- Corrosion-resistant materials are used in the gas contact part of the whole machine, which can be used under high temperature and corrosion conditions of flue gas.
- Using high-speed data processor for faster running speed, and equipped with functions of calibration, configuration, query, diagnosis and others.
Measured Parameters
| Parameter | Measuring Range |
|---|---|
| Flue gas flow | To be confirmed |
Specifications
| Measuring Medium | Air, Flue gas and other non-combustible gases |
|---|---|
| Applicable Stack Diameter | 0.3~12（m） |
| No. of Measuring Channels | Single Channel (2 or 4 Channels optional) |
| Flue Gas Pressure Range | -10~10（kPa） |
| Flue Gas Temperature Range | -20~480 (°C) |
| Flue Gas Velocity Range | 0~40（m/s） |
| Accuracy Level | 2.0 |
| Enviromental Temperature | -20~60（°C） |
| Power Supply | AC 220V± 10%, 50/60Hz |
| Power Consumption | 100W（Measuring Unit） |
| Signal Output | 4~20mA，RS-485 |
| Protection Grade | IP65 |
Applications
- Stack flue gas flow measurement
- Flow measurement for CEMS
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