Hall Pulse Water Flow Sensor DC3.5-24V Low Flow Meter 7mm Hose 0.1-6L Min Flowmeter for Water Purifier Coffee Machine
Hall Pulse Water Flow Sensor DC3.5-24V Low Flow Meter 7mm Hose 0.1-6L Min Flowmeter for Water Purifier Coffee Machine
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1.Note
Voltage Range: DC 3.5–24V
Flow Range: 0.1–1.5L/min or 0.2–6L/min
Connector Size: 7mm
Tube Size: ID 3.9mm / OD 7mm
Orifice Size: 1.2mm or 3.5mm
Pressure Resistance: ≤0.8MPa
Installation Angle: 0° or 180°
If you have any questions, please feel free to contact us.
2.Parameters
General Specifications
Item |
Specification |
Model |
YF-2103 (1.2) / YF-2103 (3.5) |
Operating Voltage |
DC 3.5–24V |
Connector Size |
ID 3.9 mm / OD 7 mm |
Thread Length |
18.5 mm |
Housing Material |
POM Engineering Plastic |
Output Signal |
Hall Pulse Output |
Insulation Resistance |
≥100 MΩ |
Output Duty Cycle |
50 ± 10% |
YF-2103 (1.2)
Parameter |
Specification |
Flow Range |
0.1–1.5 L/min |
Pulse Frequency |
F = (70 × Q) ±3% |
Pulses per Liter |
Approx. 4200 pulses/L |
High-Level Output |
≥ DC 4.6V (Input: DC 5V) |
Low-Level Output |
≤ DC 0.5V (Input: DC 5V) |
Pressure Resistance |
≤ 0.8 MPa |
YF-2103 (3.5)
Parameter |
Specification |
Flow Range |
0.2–6 L/min |
Pulse Frequency |
F = (17.3 × Q) ±3% |
Pulses per Liter |
Approx. 1038 pulses/L |
High-Level Output |
≥ DC 4.6V (Input: DC 5V) |
Low-Level Output |
≤ DC 0.5V (Input: DC 5V) |
Pressure Resistance |
≤ 0.8 MPa |
3.Features
·High-precision Hall effect sensing for accurate low-flow measurement.
·Stable pulse output for reliable flow monitoring and control.
·Fast response time for real-time liquid flow detection.
·Durable POM engineering plastic housing with excellent wear resistance.
·Fully isolated internal magnet prevents corrosion and minimizes metal particle attraction.
·Low power consumption for long-term continuous operation.
·Compact design for easy installation in space-limited equipment.
·Long service life with consistent and stable performance.
4.Applications
·Coffee Machines
·Water Dispensers
·Water Vending Machines
·Water Purification Systems
·Beverage Equipment
·Liquid Metering Systems
·Smart Water Control Devices
5.FAQs
Q1. What liquids can this sensor measure?
A: It is suitable for clean water and similar non-corrosive liquids.
Q2. How do I choose between the YF-2103 (1.2) and YF-2103 (3.5)?
A: Select the model based on your required flow range. The YF-2103 (1.2) is designed for ultra-low flow applications (0.1–1.5 L/min), while the YF-2103 (3.5) supports higher flow rates (0.2–6 L/min).
