Model: YF-B1-S
Connection Size: 4 fen (G1/2)
Operating Voltage Range: DC 3.5–24 V
Inner Diameter / Outer Diameter: Inner diameter (inlet) 15.4 mm, (outlet) 13.5 mm / Outer diameter 20.5 mm
Thread Length: 9.3 mm
Material: Stainless steel housing
Water Pressure Rating: ≤1.75 MPa
Output Pulse High Level: >DC 4.5 V (Input Voltage DC 5 V)
Output Pulse Duty Cycle: 50% ± 10%
Insulation Resistance: >100 MΩ
Flow Rate Range: 1–25 L/min, Accuracy 3%
Flow Pulse Characteristics: (Hz) = [18 × Q – 3] ±5%, i.e., 1,077 pulses per liter of water
Model: YF-B5-S
Connection Size: 6 fen (G3/4)
Operating Voltage Range: DC 3.5–24 V
Inner Diameter / Outer Diameter: 17.9/25.8 mm
Thread Length: 11 mm
Material: Stainless steel housing
Water Pressure Resistance: ≤1.75 MPa
Output Pulse High Level: >DC 4.5 V (Input Voltage DC 5 V)
Output Pulse Duty Cycle: 50% ± 10%
Insulation Resistance: >100 MΩ
Flow Rate Range: 1–30 L/min, Accuracy 3%
Flow Pulse Characteristics: (Hz) = [15 × Q – 3] ±5% (horizontal test), i.e., 897 pulses per liter of water
