DIGITEN G3/8 Inch Quick Connect Water Flow Sensor Switch Flowmeter Counter FL-308 User Manual

Introducció

The DIGITEN G3/8 Inch Quick Connect Water Flow Sensor Switch (Model FL-308) is designed to measure water flow rates accurately. This device features quick connect fittings for easy installation and provides a pulse signal output proportional to the water flow. It is suitable for various applications requiring precise flow monitoring.

This manual provides essential information for the safe and effective installation, operation, and maintenance of your flow sensor.

Informació de seguretat

Assegureu-vos que la font d'alimentació voltage is within the specified range (DC 3-24V) to prevent damage to the sensor.
Do not exceed the maximum water pressure of 0.8 MPa to avoid leaks or sensor failure.
Install the sensor in a location protected from extreme temperatures and humidity outside the specified operating ranges.
Desconnecteu sempre l'alimentació abans de realitzar qualsevol instal·lació, cablejat o manteniment.
Handle the sensor with care to prevent physical damage.

Contingut del paquet

1 x DIGITEN G3/8" Water Flow Sensor (Model FL-308)

Please inspect the package contents upon receipt to ensure all items are present and undamaged. If any items are missing or damaged, contact customer support.

Especificacions

Model	FL-308
Interval de treball	0.3 - 10 l/min
Voltage Rang	DC 3 - 24 V
Corrent màxim	10 mA
Output Pulse Rate	F = 21 * Q (L/Min) ±2%
Forma d'ona de sortida	Onada quadrada
Interval de pressió d'aigua	≤ 0.8 MPa
Temperatura de funcionament	≤ 80 ℃
Humitat de funcionament	35% - 90% HR
Temperatura d'emmagatzematge	-25℃ - 80℃
Humitat d'emmagatzematge	25% - 95% HR
Material	Coure (components interns)
Longitud del cable	15 cm
Compliment	Compleix RoHS

Diagram showing the dimensions and features of the DIGITEN G3/8 Inch Water Flow Sensor FL-308, including watertight seal, wear-resistance, ROHS compliance, and high sensitivity. Figure 1: Product features and dimensions of the DIGITEN FL-308 Water Flow Sensor.

Configuració i instal·lació

1. Instal·lació física

Identify Flow Direction: The sensor has an arrow indicating the direction of water flow. Ensure the sensor is installed correctly in line with the water flow.
Connectar accessoris: Use the G3/8 inch quick connect fittings to integrate the sensor into your water line. Ensure connections are secure and watertight to prevent leaks.
Muntatge: Secure the sensor in a stable position to prevent movement or strain on the connections.

De dalt a baix view of the DIGITEN G3/8 Inch Water Flow Sensor FL-308, showing the quick connect fittings and the label with model number and wiring information. Figura 2: superior view of the flow sensor with quick connect fittings.

lateral view of the DIGITEN G3/8 Inch Water Flow Sensor FL-308, highlighting the quick connect fitting and the compact design. Figura 3: lateral view of the flow sensor.

2. Cablejat elèctric

The sensor comes with a 3-wire connection. Follow the wiring diagram below:

Fil vermell: Connect to VCC (+) (DC 3-24V power supply).
Fil negre: Connect to GND (Ground).
Fil groc: Connect to Signal Output (Pulse signal).

Primer pla view of the DIGITEN G3/8 Inch Water Flow Sensor FL-308, showing the wiring harness with red, black, and yellow wires connected to a white connector. The sensor label with wiring instructions is clearly visible. Figure 4: Wiring connections for the flow sensor.

Assegureu-vos que totes les connexions elèctriques estiguin ben fixades i degudament aïllades per evitar curtcircuits o riscos elèctrics.

Instruccions de funcionament

The DIGITEN FL-308 water flow sensor operates based on the Hall effect principle, generating a square wave pulse signal proportional to the water flow rate.

Flow Rate Calculation

The output frequency (F) in Hz can be calculated using the following formula:

F = 21 * Q (L/Min)

On:

F is the output pulse frequency in Hz.
Q is the water flow rate in Liters per Minute (L/Min).

The sensor provides approximately 450 output pulses per liter of water. This value can be used for total volume measurement over time.

Connect the yellow signal wire to a microcontroller or a pulse counter to read the frequency and calculate the flow rate or total volume.

Manteniment

Inspecció periòdica: Periodically check the sensor and its connections for any signs of wear, damage, or leaks.
Neteja: If the sensor's performance degrades, it may be due to debris accumulation. Disconnect the sensor from the water line and power, then carefully flush it with clean water. Avoid using harsh chemicals.
Emmagatzematge: If storing the sensor for an extended period, ensure it is clean, dry, and stored within the specified storage temperature and humidity ranges.

Resolució de problemes

Problema	Causa possible	Solució
Sense sortida de senyal	Incorrect wiring (VCC, GND, Signal). No hi ha font d'alimentació o volum incorrectetage. Sensor blockage or damage.	Verifiqueu les connexions del cablejat segons el diagrama. Check power supply and ensure it's within DC 3-24V. Inspect the sensor for physical damage or internal blockage.
Inaccurate flow readings	Air bubbles in the water line. Sensor installed against flow direction. Debris inside the sensor. Interferències electromagnètiques externes.	Ensure water line is free of air. Re-install sensor according to flow direction arrow. Netegeu el sensor tal com es descriu a la secció Manteniment. Relocate sensor away from strong electromagnetic fields.
Fuga d'aigua	Loose quick connect fittings. Juntes tòriques o segells danyats. Exceeded maximum pressure.	Ensure fittings are fully seated and secure. Inspect and replace any damaged seals. Verify water pressure is below 0.8 MPa.

Garantia i Suport

DIGITEN provides a one-year warranty for any quality problems with this product. For technical support, troubleshooting assistance, or warranty claims, please contact DIGITEN customer service through the retailer where the product was purchased or visit the official DIGITEN weblloc.

Si us plau, conserveu el rebut de compra com a comprovant de compra a efectes de garantia.

DIGITEN FL-308