Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 5V DC |
| Output Signal | Analog (0-5V) and Digital (TTL) |
| Detection Range | 0 - 1000 NTU (Approximate) |
| Response Time | < 1 Second |
| Interface Type | 3-Pin PH2.0 Connector |
| PCB Dimensions | 60mm x 20mm x 18mm |
| Probe Cable Length | 1.5 Meters |
| Compatibility | Arduino, Raspberry Pi, STM32 |
| Included Resources | Sample Code and Library Files |
| Application Scenario | Water Quality Monitoring, Aquariums, Sewage Detection |
Anonymous
Mar 31, 2026
Rating: 5/5
Perfect for my aquarium project
This sensor works exactly as described. The analog output is stable, and the included code made integration with my Arduino Uno incredibly easy. Great value for the price.
Anonymous
Mar 16, 2026
Rating: 5/5
Reliable for nutrient monitoring
I use this to monitor cloudiness in my hydroponic reservoir. It alerts me immediately when the water quality drops. The response time is fast and consistent.
Anonymous
Mar 08, 2026
Rating: 3/5
Works well but documentation could be better
The hardware is fine, but the comments in the provided sample code are a bit sparse. I had to look up some datasheets to fully understand the voltage-to-turbidity conversion.
Anonymous
Mar 05, 2026
Rating: 4/5
Good sensitivity, needs calibration
The module detects changes in water clarity very well. You do need to calibrate it yourself using known samples for accurate NTU readings, but that is expected for this price point.
Anonymous
Mar 05, 2026
Rating: 4/5
Solid build quality
The probe feels durable and the cable is thick enough to not tangle easily. The only downside is the connector on the PCB is a bit tight, but once connected, it stays secure.
Anonymous
Mar 01, 2026
Rating: 5/5
Great for university projects
Used this for a final year environmental engineering project. It held up well in continuous testing for two weeks. The digital threshold adjustment potentiometer is a nice touch.
Q: What is the maximum temperature of water this can measure?
A: The probe is generally rated for typical environmental water temperatures ranging from 0°C to 50°C. Exposure to boiling water or extreme heat may damage the optical components.
Q: Is this sensor waterproof or just the probe?
A: Only the probe head is designed to be submerged in water. The main PCB board and the electronic components are not waterproof and should be kept dry or housed in a protective enclosure.
Q: How often does the probe need cleaning?
A: For accurate readings, we recommend wiping the probe lens with a soft, lint-free cloth before each measurement session or whenever biofilm and debris are visible on the surface.
Q: Does the included code work with ESP32 boards?
A: Yes, the provided code is written in standard C++ for the Arduino IDE, which is fully compatible with ESP32 boards. You may need to select the correct board manager in your IDE settings.
Q: Can I get a direct digital reading of NTU values without calculation?
A: The module outputs an analog voltage proportional to turbidity. To get specific NTU values, you must map the voltage reading to a calibration curve in your software code; it does not output pre-calculated NTU numbers directly via serial.
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