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Liquid Sensors

Gravity: Liquid Flow Sensor

SKU: SEN0549

This Gravity: liquid flow sensor is designed based on the electromagnetic principle. It adopts O-ring rubber seal and uses silicone sealant at the outlet end to strength water-resistance. With high anti-interference and anti-impact, the sensor offers reliable performance and long service life. Also, it is designed with G1/4 thread connectors for easy installation.

Front of DFROBOT rotary encoder for gear flow meters-DFRobot product sku:SEN0549 image.

Downloadable Resources

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  • Tech Specs

    • Specification

    Parameter Value
    Operating Voltage DC3.5-24V
    Operating Current ≤10mA（DC5V）
    Output NPN Pulse signal
    Pipe Diameter G1/4”
    Thread Outer Diameter 13mm
    Thread Length 10mm
    Water Pressure Resistance ≤1.0MPA
    Insulation Resistance ＞100MΩ
    Error ±1%(0.3-5L/min)
    Output Pulse High Level ＞DC4.7V(Input voltage DC5V)
    Output Pulse Low Level ＜DC0.5V(Input voltage DC5V)
    Output Pulse Duty Ratio 50%±10%
    Flow-Pulse Correlation 1L=540 pulses
    Operating Temperature Range -10°~70°C
    Operating Humidity Range 35%~90%RH(No condensing)
    Storage Temperature -25°~+80°C
    Storage Humidity 25%~95%RH
    Dimension 80x47x30mm/3.15x1.85x1.18”

    Pinout

    Num Label Description
    Green Wire OUT Signal Output
    Red Wire VCC Positive Power Supply 3.5V-24V
    Black Wire GND Negative Power Supply

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