Mini Water Flow Sensor for Home, 0.05-1 L/min, 0.3-4 L/min

SKU: SUCH-FLOW-TM02
$34.97
● 0.05-1 L/min, 0.3-4 L/min ● ≤0.8 MPa ● DC 3.5~24V ● 0~80°C operating temp
This product has a minimum quantity of 3
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🕒 Delivery date: 6-12 days
🔁 30-day Returns
Overview

High-precision mini water flow sensors available for sale, offering selectable measurement ranges of 0.05–1 L/min and 0.3–4 L/min. Measurement accuracy reaches ±3%, maintaining stable output even under minimal water flow conditions. The flow sensor incorporates a highly sensitive pulse detection structure internally, where pulse signals are proportional to flow rate. It finds extensive application in water heaters, small water control systems, and metered water usage equipment.

Feature

Mini water flow sensor feature

  • The SUCH water flow sensor supports multiple flow range selections with overall accuracy up to ±3%, maintaining stable output even under low-flow conditions.
  • Stable pulse output with clear, stable low levels facilitates precise quantitative control and cumulative statistics.
  • Featuring a wide voltage, low-power design, it supports a DC 3.5–24V power supply. Maximum operating current is only 15 mA (DC 5V), with a load capacity ≤10 mA, ensuring low power consumption and minimal heat generation.
  • The mini water flow sensor features a pressure resistance of 0.8 MPa and operates reliably in environments ranging from 0–80°C and 35%–90% RH (non-condensing). It meets reliability requirements for applications in home appliances, water treatment, and industrial small-scale flow monitoring scenarios.

Dimension (unit: mm)

Mini water flow sensor dimension

Wiring Diagram

Mini water flow sensor wiring diagram

Specs
Flow Range 0.05~1 L/min ±3%; 0.3~4 L/min ±3%
Pressure Resistance ≤0.8 MPa
Operating Voltage Range DC 3.5~24V
Max Operating Current 15mA (at DC 5V)
Insulation Resistance >100 MΩ
Load Capacity ≤10 mA (at DC 5V)
Operating Humidity Range 35%–90% RH (non-condensing)
Operating Temperature Range 0~80°C
Output Pulse High Level >DC 4.5V (input voltage: DC 5V)
Output Pulse Low Level
Pulse Characteristics Inner diameter 1.2mm(Hz)= [86×Q] ±2%, approx. 5160 pulses per liter
Inner diameter 2.5mm(Hz)= [43×Q] ±2%, approx. 2580 pulses per liter
Application

Water flow sensor for self-service water dispenser

Self-service Water Dispenser

Residential water flow sensor for water purifier

Water Purifier

Water flow sensor for water dispenser

Water Dispenser

FAQ

With compact dimensions and flexible installation, mini water flow sensors are ideal for instant water heaters, water dispensers, coffee machines, water purification systems, smart appliances, and small-scale water circuits. They are particularly well-suited for space-constrained scenarios requiring precise flow detection.

The common output is a pulse signal, where the pulse frequency is directly proportional to the water flow rate. Control systems can calculate instantaneous flow rate and cumulative water consumption by counting pulses or measuring frequency, facilitating integration with MCUs, PLCs, or control boards.

Within the specified flow range, the mini water flow sensor maintains stable repeatability, making it suitable for quantitative control and flow monitoring applications. It meets the usage requirements for both daily appliances and industrial equipment.

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