| Accuracy | ±2.0% | Measuring Medium | Water |
| Pipe size | DN20~DN80 (21mm~80mm) | Flow range | 0.03~5.0m/s |
| Keypad | 4 touch keys | Display | 1.44 " LCD colorful screen, resolution 128 * 128 |
| Output | WiFi | Communication Interface | RS485, MODBUS Protocol |
PRODUCT INTRODUCTION
F3W Clamp-on Ultrasonic Flow Meter
The F3W Clip-on Ultrasonic Flowmeter is an innovative HVAC SaaS flow meter designed for seamless integration into modern building management systems. Equipped with robust WiFi connectivity, it enables real-time, cloud-based data transmission to the platform, allowing users to access, analyze, and manage flow data remotely via mobile or PC applications-eliminating the need for on-site inspections. Its non-invasive, clamp-on design facilitates quick installation without pipeline interruption, making it ideal for monitoring water flow in HVAC applications. The device delivers accurate flow measurement and visualizes data through a rotatable color LCD screen. By integrating reliable ultrasonic transit-time technology with advanced wireless communication, the F3W transforms traditional flow monitoring into a smart, connected, and data-driven solution for facility optimization and energy management.
SPECIFICATIONS
|
Performance Index |
|
|
Flow Velocity |
0.03~5.0m/s |
|
Accuracy |
±2%,(0.3~5m/s) |
|
Repeatability |
0.2% |
|
Pipe Size |
DN20~DN80 |
|
Medium |
Water |
|
Pipe Material |
Carbon Steel, Stainless Steel, Copper, PVC |
|
Functional Index |
|
|
Communication interface |
RS485(standard); FUJI or MODBUS Protocol |
|
WIFI |
Frequency range:2.412~2.484GHz |
|
Transmitted power:802.11b 16±2 dBm 802.11n 13±2 dBm 802.11g 14±2 dBm |
|
|
Temperature:-20~85℃ |
|
|
Theoretically, the transmission distance can be up to 40 meters in an open space environment. |
|
|
Power supply |
10~36VDC/500mA |
|
Keyboard |
4 keys |
|
Display screen |
LCD color display,1.44",resolution 128*128 |
|
Temperature |
Transmitter: -10℃~50℃ Transducer: 0℃~60℃ |
|
Humidity |
Relative humidity 0~99%, No condensation |
|
IP |
IP54 |
|
Physical Characteristics |
|
|
Transmitter |
All-in-one |
|
Transducer |
Clamp on |
|
Cable |
φ5 Six-core cable, standard length: 2m |
WIRING DIAGRAM

|
Function |
Identifier |
Color |
|
Power Supply (10~36VDC) |
+ |
Brown |
|
- |
Black |
|
|
RS485 |
A |
Green |
|
B |
White |
|
|
None |
+ |
Red |
|
- |
Yellow |
Fast installation steps of F3W

APPLICATIONS
- HVAC (Heating, Ventilation, and Air Conditioning) systems
- Data center HVAC Cooling Systems
- Agriculture and irrigation systems
- Water and wastewater management
- Process industries (chemical, pharmaceutical, food and beverage)
- Energy management and environmental monitoring
- Research and development
- Facilities management
- RO water systems
- Industrial maintenance and troubleshooting
Application cases


CERTIFICATE

ABOUT SHIPPING

ABOUT US
1.Gentos Measurement & Control Co, Ltd. was established in 1993.
2.We focus on different types of ultrasonic flow meters almost 30 years.
3.We have our own factory to make exquisite appearance & optimal products.
4.We have 10 to 20 engineering employers to be working on research & development.
5.All our products are designed and manufactured by ourselves.
6.Each department works together to provide best service for our customers as well.
FAQ
Q1: Do you have stock?
A2: Yes, we have safety inventory. We have a complete production line to meet bulk orders
Q2: How to ensure the quality of your products, will the finished product be inspected?
A2: Yes, every step of production and finished product must be strictly checked by QC before shipment.
Q3: How long is your delivery time?
A3: Lead time about 1-3 days after payment (you can get it in 5-7 days to your door).
Q4: Can you give us a discount?
A4: We can of course talk to specific numbers, but let's make sure we're on the same page about this solution being a good fit for your needs.
Q5: Are you a FACTORY or TRADING COMPANY?
A5: Yes,we are a manufacturer with designing, manufacturing, marketing and exporting.
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