Product Description
1.NOTE
This Copper Flowmeter is designed for precise liquid flow measurement, ensuring stable performance in industrial and commercial applications.
Default Configuration Includes:
Connection Size: G1/2 Male Thread + 6mm/8mm/10mm/12mm/14mm Barb Fitting
Voltage: DC 3.5–24V
Flow Range: 1–25L/min
Pressure Resistance: ≤1.75MPa
Temp:<80°C
Output:Pulse output
Sensor Usage Guidelines:
Sensor Usage Notice: Install a filter at the water inlet to prevent debris. It is recommended to install the sensor indoors or inside equipment to avoid humidity, high temperatures, or harsh environments. Keep it away from vibrations and magnetic materials to ensure accuracy. Unauthorized disassembly is prohibited. If replacing another model, contact us for support with compatibility issues
2.Parameters
Parameter | Specification |
Model | YF-B1 |
Thread Size | G1/2 (4 points) |
Operating Voltage Range | DC 3.5~24V |
Internal/External Diameter | Inlet: 15.4mm; Outlet: 13.5mm / External: 20.5mm |
Thread Length | 9.3mm |
Material | Brass/Chrome/Stainless Steel |
Water Pressure Resistance | ≤1.75 MPa |
Output Pulse High Level | > DC 4.7V (at DC 5V input) |
Output Pulse Duty Cycle | 50% ± 10% |
Insulation Resistance | >100 MΩ |
Flow Rate Range | 1~25 L/min ±3% |
Seal Test | 1.7 MPa water pressure for 1 min, no leakage or deformation |
Pulse Frequency | (Hz) = [11 × Q] ±5% (Q = flow in L/min) |
3.Features
High Durability:
Made of brass with chrome plating, ensuring resistance to wear and long service life.
Wide Voltage Compatibility:
Operates smoothly within a voltage range of DC 3.5~24V, adaptable to diverse systems.
Precise Measurement:
Offers high accuracy with flow rates from 1 to 25 L/min and minimal deviation.
Leak-Proof Design:
Undergoes 1.7 MPa pressure testing, ensuring no leaks or deformation.
Flexible Connections:
Compatible with multiple barb sizes (6mm, 8mm, 10mm, 12mm, 14mm) for easy installation.
4.Applications
Water heaters
Drinking systems
Liquid flow monitoring for industrial use





5.FAQs
Q: Is the YF-B1 sensor suitable for high-pressure systems?
A: Yes, it withstands pressures up to 1.75 MPa.
Q: What is the accuracy of flow measurement?
A: The flow rate measurement deviation is ±3% within 1 to 25 L/min.
Q: Which systems can it be installed in?
A: It is compatible with water heaters, drinking systems, and industrial liquid monitoring setups.
About Prime Living
Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.
We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.
Shipping policy
We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control.
Returns
We offer a 14-Day Return Policy on items in which you are not completely satisfied with. You have the option of a full-refund or an exchange of the item.
Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.