Project Background
A customer in Taiwan required two inline thermal mass flow meters for industrial gas monitoring applications.
The project involved different gases and operating conditions, including nitrogen (N₂) and natural gas measurement.
The customer required:
- Stable low-flow gas measurement
- Compact inline installation
- RS485 communication
- Explosion-proof protection
- Local LCD display with totalizer
- High temperature resistance
- Reliable long-term operation
After technical evaluation, Dalian Zero Instrument Technology Co., Ltd. supplied two customized thermal mass flow meters for the project.
Solution 1: DN25 Nitrogen Thermal Mass Flow Meter
Application
Nitrogen (N₂) flow monitoring
Specifications
- Model: KSMF-25-C-F-10K
- Size: DN25
- Flow Range: 1.8~175 Nm³/h
- Temperature Range: -30~220°C
- Wetted Material: 316 Stainless Steel
- Output:
- 4-20mA
- Pulse
- RS485
- Power Supply: 24VDC
- Explosion Proof Housing
- Display:
- Instantaneous Flow
- Totalized Flow
Features
- Accurate low-flow gas measurement
- Compact integrated transmitter
- Excellent repeatability
- Suitable for industrial nitrogen systems
- Stable performance under varying temperatures
Solution 2: DN50 Natural Gas Thermal Mass Flow Meter
Application
Natural gas flow measurement
Specifications
- Model: KSMF-50-C-10K
- Size: DN50
- Flow Range: 5~400 Nm³/h
- Connection: 2″ JIS 10K Flange
- Temperature Range: -30~220°C
- Wetted Material: 316 Stainless Steel
- Output:
- 4-20mA
- Pulse
- RS485
- Power Supply: 24VDC
- Explosion Proof Housing
Features
- Designed for natural gas monitoring
- Stable mass flow measurement
- Integrated LCD display and totalizer
- Easy integration with automation systems
- Reliable communication via RS485
Why Thermal Mass Flow Meters?
Thermal mass flow meters are widely used for gas measurement because they directly measure mass flow without requiring temperature and pressure compensation.
Advantages include:
- High sensitivity at low flow rates
- Wide turndown ratio
- Low pressure loss
- Suitable for various industrial gases
- Easy installation and maintenance
Project Status
Both flow meters completed factory testing successfully and were prepared for shipment to Taiwan.
The customer selected customized configurations according to different gas applications and process requirements.
About Dalian Zero Instrument Technology
Dalian Zero Instrument Technology Co., Ltd. specializes in industrial flow measurement and process instrumentation solutions for global customers.
We provide:
- Electromagnetic flow meters
- Thermal mass flow meters
- Coriolis flow meters
- Ultrasonic flow meters
- Radar level meters
- Pressure and temperature instruments