Brief Introduction
|
Accuracy: |
±2.0% of FS |
Pipe Size: |
10mm |
|
Output: |
RS485, 4-20mA, OCT |
IP Rating |
IP65 |
Product Introduction
The QMF Ultrasonic Micro Flow Sensor adopts the ultrasonic time-of-flight principle, integrated with high-precision signal processing circuits and adaptive algorithms. It offers real-time, accurate fluid flow monitoring with sub-second dynamic response and anti-interference capability.
Suitable for water, it covers a 0.1-35 L/min flow range, with ±2% FS accuracy and 0.8% repeatability. It supports multiple fittings (barbed, quick-connect, quick-twist) for 10mm pipes and optional outputs (4-20mA, OCT) plus RS485 (MODBUS). Features include a 0.96" color LCD, 3 touch keys, IP65 protection, and 10-36VDC power. Widely used in agricultural drones, liquid-cooled cabinets, and semiconductor temperature control.
- Aquaculture, RAS systems
- Industrial water monitoring, commercial water supply metering
- Water and wastewater management
- HVAC (Heating, Ventilation, and Air Conditioning) systems
- Process industries (chemical, pharmaceutical, food and beverage)
- Energy management and environmental monitoring
- Agriculture and irrigation systems
- Research and development
- Facilities management
- Industrial maintenance and troubleshooting
- Carbon footprint, carbon audit, carbon assessment, carbon neutrality, and carbon trading etc.
Product Parameter
Technical Parameters
|
Performance Indicators |
|
|
Flow Velocity Range |
0.1 L/min ~35L/min |
|
Accuracy |
±2% of FS |
|
Repeatability |
0.8% |
|
Pipe Sizes |
10mm |
|
Fitting |
See section 3.2 |
|
Medium |
Water |
|
Functional Indicators |
|
|
Communication Interface |
RS485; supports MODBUS protocol |
|
Output (optional) |
4~20mA, OCT |
|
Power Supply |
10～36VDC/500mA |
|
Keyboard |
3 touch keys |
|
Display Screen |
0.96" (160*80) LCD color screen |
|
Operating temperature |
-10℃~50℃ |
|
Operating pressure |
0~1.6MPa |
|
Humidity |
5~95% relative humidity, no condensation |
|
IP Rating |
IP65 |
|
Physical Characteristics |
|
|
Housing Material |
Engineering plastic(PPS) |
|
System interface |
G1/4 internal thread |
|
Cable |
φ5 black six-core shielded cable with self-locking connector, standard length: 1 m |
Body Parameters
Appearance
Installation
FAQ
Q: What's the flow range and accuracy of the QMF sensor?
A: Flow range is 0.1-35 L/min; accuracy is ±2% of FS.
Q: Which outputs does the QMF sensor support?
A: It supports optional 4-20mA/OCT and RS485 (MODBUS protocol).
Q: What fittings are available for the QMF sensor?
A: Barbed, quick-connect, and quick-twist fittings (various sizes).
Q: How to set the zero point of the QMF sensor?
A: Select "Set Zero" > "YES" in the menu when fluid is static.
Q: What's the QMF sensor's operating temperature and pressure?
A: -10~50℃ operating temperature; 0~1.6MPa operating pressure.
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Product Parameter
1)Technical Parameters
|
Performance Indicators |
|
|
Flow Velocity Range |
0.1 L/min ~35L/min |
|
Accuracy |
±2% of FS |
|
Repeatability |
0.8% |
|
Pipe Sizes |
10mm |
|
Fitting |
See section 3.2 |
|
Medium |
Water |
|
Functional Indicators |
|
|
Communication Interface |
RS485; supports MODBUS protocol |
|
Output (optional) |
4~20mA, OCT |
|
Power Supply |
10～36VDC/500mA |
|
Keyboard |
3 touch keys |
|
Display Screen |
0.96" (160*80) LCD color screen |
|
Operating temperature |
-10℃~50℃ |
|
Operating pressure |
0~1.6MPa |
|
Humidity |
5~95% relative humidity, no condensation |
|
IP Rating |
IP65 |
|
Physical Characteristics |
|
|
Housing Material |
Engineering plastic(PPS) |
|
System interface |
G1/4 internal thread |
|
Cable |
φ5 black six-core shielded cable with self-locking connector, standard length: 1 m |