Thermal Gas Mass Flow Meters

Name: Thermal Gas Mass Flow Meters
Brand: Anhui Jujie Automation Technology Co., LTD.
Availability: InStock

This thermal gas mass flow meter adopts thermal diffusion principle for direct gas mass measurement without temperature/pressure compensation. Available in pipe and insertion types, it supports multiple stainless steel probes, with 4-20mA, RS485 and relay outputs for air, nitrogen, biogas and other clean dry gases.

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Features of Thermal Gas Mass Flow Meter

Direct mass gas measurement, no extra temperature & pressure compensation required.
Ultra-wide turndown ratio, precisely detect tiny to full gas flow rates stably.
Multiple styles: pipe type, insertion type and micro type for different pipe diameters.
No moving components, low wear, minimal routine maintenance work.
Rich signal outputs: 4-20mA, pulse, RS485 Modbus to connect industrial control systems.
Low pressure loss, no extra pipeline resistance during gas measurement.

Specification of Thermal Gas Mass Flow Meter

Measuring Medium	Various gases (excluding acetylene)
Pipe Diameter Range	DN15~300mm
Flow Velocity Range	0.1~100Nm/s
Accuracy	Flange type: 1.5%
Working Temperature	Sensor: normal temperature type -10 ~ +200℃, high temperature type: -10 ~ +350℃; Converter: -20 ~ +45℃
Working Pressure	Medium pressure ≤ 2.5MPa
Power Supply	Integrated type (DC24V or AC220V ≤ 18W); Split type (AC220V ≤ 19W)
Response Speed	1s
Output Signal	4-20mA (opto-isolated, maximum load 500Ω); RS-485 (opto-isolated), HART protocol
Pipe Material	Carbon steel, stainless steel, plastic, etc.
Display	Integrated type: four-line Chinese liquid crystal display
Display Content	Mass flow, standard volume flow, cumulative flow, standard time, cumulative operating time, medium temperature, standard flow velocity, etc.
Primary Meter Protection Class	IP67
Sensor Material	Stainless steel