Digital Flow Meter Water Flow Sensor Flow and Velocity Monitor Flowmeter
Model: ZJ-LCD-M
Operating Voltage Range: DC 24 V ± 8 V / 1 A
Solenoid Valve Operating Voltage: DC 12 V / 0.3 A–0.5 A (Normally Closed Solenoid Valve)
Flow Probe Voltage: DC 5 V (Flow Probe Input Pulse Signal)
Measurement Range: 0.1–9,999 liters/gallons; K-value can be entered into the meter
Maximum Constant: 1–9,999 liters/minute, gallons/minute
Model: YF-B8
Connection Size: 4 fen female thread inlet, 4 fen male thread outlet (G1/2)
Operating Voltage Range: DC 3.5–24V
Inner Diameter/Outer Diameter: 20.6/20.7 mm
Thread Length: 15.9 mm
Material: Copper
Water Pressure Resistance: ≤1.75 MPa
Output Pulse High Level: >DC 4.5V
Output Pulse Duty Cycle: 50% ± 10%
Insulation Resistance: >100 MΩ
Flow Rate: 1–30 L/min ± 3%
Sealing Performance: All openings sealed; no leakage or deformation observed after a 1-minute hydrostatic pressure test at 1.7 MPa
Flow Pulse Characteristics: F = 6.6 × Q ± 5%
i.e., 396 pulses per liter of water
Model: FPDJ-11
Valve Body Material: Brass
Coil Material: All-copper coil
Compatible Media: Water, gas, oil
Operating Temperature: 0°C to +60°C
Operating Pressure: 0.02 to 0.8 MPa
Voltage: DC 12 V
Installation Method: Horizontal installation
Model: YF-B5
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: Copper/Stainless Steel/Chrome-Plated (Contact customer service for details)
Water Pressure Resistance: ≤1.75 MPa
Output Pulse High Level: >DC 4.7 V (Input Voltage DC 5 V)
Output Pulse Duty Cycle: 50% ± 10%
Insulation Resistance: >100 MΩ
Flow Rate Range: 1–30 L/min ±3%
Sealing Performance: All openings sealed; no leakage or deformation observed after a 1-minute hydrostatic pressure test at 1.7 MPa
Flow Pulse Characteristics: (6.6 × Q), where Q = L/min ±3%
That is, 396 pulses per liter of water






















