This ultrasonic flow sensor helps you manage liquid systems. It measures liquid levels in tanks and containers precisely. Its waterproof, built-in probe gives dependable distance data. This data is key for figuring out flow rates or stopping overflows. It's an improvement over the standard HC-SR04 for any Arduino project. Features and Benefits
- Integrated Waterproof Probe - The JSN-SR04T module's sealed build lets you use it outside or in damp spots.
- 20cm to 600cm Range - It measures distance over a wide span. This works for small and large tanks.
- Low Power Consumption - It uses less than 20mA. This makes it good for battery-powered robots and IoT devices.
- 5-Pin Connector - It hooks up easily to Arduino, ESP32, and other microcontrollers with standard Trig/Echo pins. Applications
- Monitoring water levels in a tank for a pump controller.
- Finding obstacles for outdoor robots and self-driving vehicles.
- Measuring how full waste or grain silos are.
Key Functions
This Flow Sensor Module is a waterproof transducer designed for Arduino level sensing. It functions as an ultrasonic sensor, providing flow measurement capabilities. Flow meters, in general, are devices used to measure the linear or non-linear volumetric or mass flow rate of a liquid or a gas. This particular module is built from metal, ensuring durability for various applications requiring precise flow data.
Common Types of Flow Meters
There are various types of flow meters, each suited for different applications and fluid characteristics. While this product is a flow sensor module, common types include ultrasonic, electromagnetic, differential pressure, and turbine meters. Ultrasonic sensors, like this waterproof transducer, use sound waves to determine flow. The selection of a flow meter depends on factors such as the fluid type, required accuracy, and operating conditions.
Key Types & How They Work
Flow meters measure the rate at which a fluid moves through a pipe or conduit. This Flow Sensor Module is an ultrasonic sensor, meaning it uses sound pulses to determine flow. Other types work differently; for example, turbine flow meters use a rotating turbine to measure flow. Differential pressure meters measure a pressure drop across an obstruction. Understanding these core principles helps in selecting the right tool for the job.
Velocity-Based Meters
Velocity-based meters determine flow by measuring the speed of the fluid. This Flow Sensor Module, being an ultrasonic sensor, falls into this category as it uses sound waves to ascertain fluid velocity. Another example is a turbine flow meter, where a rotating element's speed is proportional to the flow rate. These meters are effective for various liquids and gases, providing critical data for many industrial and domestic applications.
Differential Pressure (DP) Meters
Differential Pressure (DP) meters measure flow by creating a pressure drop across an obstruction in the flow path. This is a common method, unlike the ultrasonic sensor technology used in this Flow Sensor Module. For instance, an orifice plate creates a restriction, and the pressure difference upstream and downstream of the plate is measured. This pressure difference is then correlated to the flow rate.
Material: Metal. Compatibility: Arduino. Protection: Waterproof. Theory: Ultrasonic Sensor. Type: Flow Sensor. Mounting Hole Diameter: 22 mm. Material: Metal (Transducer Housing). Operating Voltage: DC 5V. Measuring Range: 25 cm to 450 cm. Output Signal: PWM / TTL. Compatibility: Arduino. Operating Temperature: -20°C to +70°C. Waterproof Rating: IP67. Operating Current: 30 mA. Acoustic Emission Frequency: 40 kHz. Measuring Angle: 75 degrees. Model: JSN-SR04T / AJ-SR04M. Quiescent Current: < 5 mA. Resolution: 0.5 cm. Sensor Type: Ultrasonic Sensor. Q: What is the minimum and maximum distance this sensor can measure? A: It has a detection range that starts at 20cm and goes out to 600cm, or 6 meters. Its field of view is a cone with an angle of about 60 degrees.. Q: Is the entire module waterproof, or just the sensor part? A: The round transducer head is waterproof with an IP67 rating, meaning it can handle splashes and temporary submersion. The small circuit board it's attached to is not waterproof and must be protected inside a dry enclosure.. Q: Can I use this with a Raspberry Pi, or only an Arduino? A: It's compatible with any microcontroller that runs on 5V logic and has GPIO pins, including Raspberry Pi, ESP32, and others. You just need to connect power, ground, and the trigger and echo pins to your board.. Q: What's your policy if the sensor is dead on arrival? A: We test them before they go out, but if you receive a faulty one, let us know within 30 days and we'll send a replacement right away. Beyond that, it's covered by our one-year warranty.. Q: Can I use this as a flow sensor to measure water speed in a channel? A: This module doesn't measure water velocity directly, so it's not technically a flow sensor. It's an ultrasonic distance sensor that measures liquid level, which you could then use in a formula with the channel's geometry to calculate the flow rate..