Description

The YF-B7 Water Flow Sensor is a reliable and compact solution for measuring water flow rates in systems like coffee machines or water dispensers. It features a durable copper body, a precision-engineered water rotor, and an integrated hall-effect sensor that outputs pulse signals proportional to the flow rate. With excellent sealing performance, RoHS compliance, and an extended lifespan, the YF-B7 offers superior performance and durability for a wide range of applications.

Key Features & Benefits

• Durable Copper Body: Long-lasting performance compared to plastic models.
• High Accuracy: Hall-effect sensor ensures reliable and precise flow measurements.
• Compact Design: Easy to install in space-constrained systems.
• Wide Operating Range: Compatible with DC 5V–15V input.
• Environmentally Friendly: Fully RoHS compliant.

Applications

• Water dispensers
• Coffee machines
• Small-scale liquid flow monitoring systems
• General-purpose fluid measurement

Specifications

• Flow Rate Range: 1–25 L/min
• Frequency Formula: $F=11\times Q$ (Q = flow rate in L/min ± 3%)
• Voltage Range: DC 5V–15V (Min: DC 4.5V)
• Current Consumption: ≤ 15mA at DC 5V
• Output Pulse:
  • High: > DC 4.7V (Input: DC 5V)
  • Low: < DC 0.5V (Input: DC 5V)
  • Duty Cycle: 50% ± 10%
• Pressure Tolerance: ≤ 1.75 MPa
• Temperature Tolerance:
  • Operating: 0°C–80°C
  • Liquid: ≤ 120°C
  • Storage: -25°C–80°C
• Humidity Tolerance:
  • Operating: 35%–90% RH
  • Storage: 25%–95% RH
• Interface Size: G1/2 inch (threaded connection)
• Material: H57 Copper + POM
• Weight: 134 g