HGRS Thermal Mass Flow Meter

HGRS Thermal Mass Flow Meter

HGRS Thermal Mass Flow Meter is a kind of gas flow measurement instrument based on the principle of thermal diffusivity, no need of temperature and pressure compensation. This type flow meter has wider range ratio.
Thermal Mass Flow Meter is a highly efficient and accurate flow measurement device that utilizes the principle of thermal dispersion to measure the flow rate of gases and liquids. It offers excellent stability and repeatability, making it ideal for applications in various industries such as oil and gas, chemical, and power generation. With its compact design and advanced digital technology, the Thermal Mass Flow Meter provides real-time flow data with high precision, making it a reliable and cost-effective solution for monitoring and controlling flow processes.

Technical Data of HGRS Thermal Mass Flow Meter


Structure type: Insertion type/ pipeline type; Compact type / remote type
Process connection: Flange or thread
Measurable flow velocity: 0.5 ~ 140 Nm/s @ 20 ℃, 101.33KPa
Measuring medium: clean gas fluid (without dust and dewing)
Ambient temperature: -20 ℃ ~ +70 ℃
Fluid temperature: -20 ℃ ~ +120 ℃, -20 ℃ ~ +350 ℃
Working Pressure: less than 4.2MPa
Accuracy: ± 1.5% F.S.
Repeatability: ± 0.2% of Calibration scale
Output: 4-20mA (load capacity > 600Ω) corresponding to instantaneous flow ( HART optional )
Communication interface: RS232, RS485 (optional)
Response rate: less than 1S
Supply voltage: 24VDC ± 10%, Electrical connection: M20 × 1.5
Probe insertion length: base on factory calculation
Probe diameter: 19mm (standard), Sensor diameter: 3mm (standard)
Protection tube material: SS304 (Please specify for other material)
Field Display: LCD, 4 digits for instant flow, 8 digits for total flow
Weather-proof: IP65, Ex-proof grade: Exd IICT6
Transmitter housing: powder coating on cast aluminum
Housing coating color: red for output 4-20mA or RS485, green for output 4-20mA+HART