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Gravity Analog Turbidity Sensor for Arduino - 5V Analog/Digital
SKU: TH0586
In Stock₹1,060.82
₹899.00 (Ex. of GST)
SKU: TH2208
DFRobot Gravity: Analog Water Pressure Sensor is a 5V pressure measurement sensor with a linear 0.5-4.5V analog output, designed for easy use with Arduino and other microcontroller platforms that can read analog voltage.
It is suitable for monitoring pressure in household water systems, garden and farm irrigation setups, tanks, and selected outdoor water environments. In certain applications, the measured pressure can also be used to infer liquid level.
The sensor uses a Gravity 3-pin interface for simple wiring, offers a 0-1.6MPa measurement range, and features IP68 waterproof protection for dependable operation in demanding installations.
Technical details for the Gravity Analog Water Pressure Sensor.
| Brand | DFRobot |
|---|---|
| Model | SEN0257 |
| Measurement Range | 0-1.6MPa |
| Input Voltage | 5V DC |
| Output Voltage | 0.5-4.5V analog |
| Accuracy | 0.5%-1% FS (0.5% at 0-55°C) |
| Medium | Non-corrosive liquid or gas |
| Thread | G1/4 |
| Adapter | G1/2 to G1/4 |
| Waterproof Rating | IP68 |
| Operating Temperature | -20°C to 85°C |
| Response Time | <2.0ms |
| Quiescent Current | 2.8mA |
| Normal Operating Pressure | ≤2.0MPa |
| Damaged Pressure | ≥3.0MPa |
| Cable Length | 1m |
| Service Life | 10,000,000 cycles |
Pin configuration and important usage notes for the Gravity 3-pin interface.
| Wire | Name | Function |
|---|---|---|
| Yellow | Signal | Analog output, 0.5-4.5V |
| Red | VCC | 5V DC supply |
| Black | GND | Ground |
Use only with non-corrosive liquid or gas. The sensor's analog output is intended for microcontrollers such as Arduino, and calibration may be required because the zero-pressure output may not be exactly 0.5V in real-world use.
Do not exceed the rated pressure limits. Normal operating pressure is up to 2.0MPa, while pressure at or above 3.0MPa may damage the sensor.
Yes. It has a Gravity 3-pin analog interface and a 0.5V to 4.5V analog output, and the supplier specifically states it is compatible with Arduino microcontrollers.
The sensor is powered from 5V DC and provides a linear analog output of 0.5V to 4.5V. Its 3-pin wiring is Signal, VCC, and GND.
Its specified measurement range is 0 to 1.6MPa. The listed normal operating pressure is up to 2.0MPa, while pressure at or above 3.0MPa may damage the sensor.
Yes, in special situations the measured pressure can be used to infer liquid level. The supplier also mentions tank monitoring and specified liquid level detection as supported applications.
It is intended for non-corrosive liquid or gas only. It should not be used with corrosive media.
Calibration may be needed because the no-load output is nominally 0.5V, but the Arduino reference notes that zero drift can shift the actual offset. The example setup recommends reading the lowest no-load voltage first and adjusting the offset value in code.
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