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The BT-3020-G Inline Thermal Mass Flow Meter uses a dual platinum wire wound RTD sensor housed in a SS316 sheath to deliver high-accuracy direct mass flow measurement of industrial gases. The calorimetric constant temperature anemometer principle ensures stable and repeatable performance without pressure or temperature compensation.
Available with integral or remote transmitter, the meter features a graphical LCD display showing flow, totalized flow, velocity (nm/s), and gas temperature. It supports 4–20 mA HART, RS485 Modbus, and pulse output for seamless system integration. Dual power input (24 VDC / 230 VAC) and a flame-proof enclosure make it suitable for hazardous industrial environments.
The inline flow tube with flanged connection ensures uniform gas flow, leak-free installation, and long-term reliability. It supports pipe sizes from ½” to 4” with ANSI, DIN, and PN flange ratings. An inbuilt diagnostic function continuously monitors sensor health and meter performance for dependable operation.
Designed for clean gases such as Air, Natural Gas, LPG, Biogas, Flue Gas, and Flare Gas, the BT-3020-G is ideal for energy, chemical, manufacturing, and utility applications.
Key Features
Graphical LCD display (Flow, Totalizer, Velocity, Temperature)
4–20 mA HART output
RS485 Modbus RTU communication
Dual chamber die-cast aluminum enclosure
SS316 construction with no moving parts
Dual power supply: 24 VDC / 230 VAC
Field programmable configuration
Optional IoT online monitoring
Explosion-proof and weather-proof certified
Benefits
Direct mass flow measurement
High accuracy and repeatability
Negligible pressure loss
Wide gas compatibility
High turndown ratio up to 100:1
Unaffected by pressure and temperature changes
Fast response time
Easy installation and low maintenance
Technical Specifications (Summary)
Measuring Principle: Calorimetric (CTA)
Sensor: Dual RTD platinum wire wound, SS316
Pipe Size: DN50 to DN100
Flow Range: 1–70 nm/s (standard), up to 100 nm/s (optional)
Accuracy: ±2% of reading + 0.5% FS
Operating Temperature: –20 to +150°C (up to +250°C optional)
Operating Pressure: 0–16 bar (up to 50 barg optional)
Enclosure: Flameproof Ex d IIB T6
Approval: PESO
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