Product Description
1.NOTE
This Brass Water Flow Sensor is designed for accurate water flow measurement.
Default Configuration Includes:
Size: G1/2, G3/4, G1, G1-1/4
Voltage: DC5–18V
Pressure: ≤1.75MPa
Temp:<80
Pulse Output: >DC4.7V, 50% ± 10%
Seal Performance: 1.7MPa
Insulation Resistance: >100MΩ
Material: Brass (Optional: Chrome, Stainless Steel)
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
Model | Connection Size | Voltage Range | Flow Range | Material | Features | Dimensions (mm) |
YF-B1 | G1/2 | DC3.5~24V | 1-25L/min ±3% | Copper | 660 pulses/L | Length 44, Inner 15.4 |
YF-B2 | G1/2 | DC3.5~24V | 1-25L/min ±10% | Copper | 660 pulses/L | Inner 20.8/Outer 20.7 |
YF-B3 | G1/2 | DC3.5~24V | 1-25L/min ±3% | Copper | 660 pulses/L | Inner 15.0/Outer 20.7 |
YF-B4-Temp | G1/2 | DC3.5~24V | 1-25L/min ±3% | Copper | 660 pulses/L | Inner 18.9/Outer 20.3 |
YF-B5 | G3/4 | DC3.5~24V | 1-30L/min ±3% | Copper/Chromed | 396 pulses/L | Inner 17.9/Outer 25.8 |
YF-B6 | G3/4 | DC5~18V | 1-30L/min ±3% | Copper/Chromed | 396 pulses/L | Inner 18.1/Outer 25.5 |
YF-B6-Temp | G3/4 | DC4.5~24V | 1~40L/min±3% | Copper/Chromed | 396 pulses/L | Inner 18.1/Outer 25.5 |
YF-B7-Temp | G1/2 | DC3.5~24V | 1~25L/min±3% | Copper | 660 pulses/L | Inner 13.7/Outer 20.3 |
YF-B8 | G1/2 | DC3.5~24V | 1-30L/min±3% | Copper | 396 pulses/L | Inner 20.6/Outer 20.7 |
YF-B9 | G3/4 | DC3.5~24V | 2~50L/min±5% | Copper | 476 pulses/L | Inner 25.8 |
YF-B10 | G1 | DC3.5~24V | 2-50L/min ±5% | Copper/Stainless | 476 pulses/L | Inner 24.38/Outer 32.9 |
YF-DN32-T | 1.25inch | DC5-24V | 3-60L/min±5% | Copper | 108 pulses/L | Inner 32.5/Outer 41.5 |
3. APPLICATION
Suitable For: Hot water heaters, campus drinking fountains, direct drinking machines, vending machines, and smart card-operated systems.
4. FEATURES
Durable Material | Environmental Certification | High Sensitivity | Wide Application Range





























5. FAQ
Q: Does the sensor require special installation precautions?
A: Yes, it is essential to install a filter at the water inlet to prevent debris from entering the sensor, and ensure the sensor is installed indoors or in protected environments to avoid exposure to extreme conditions.
Q: Can I request a custom specification or size?
A: Yes, customization is available. Please contact our customer service for more details.
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.