Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Operating Voltage | 3.3V - 5.5V DC |
| Communication Interface | UART / TTL |
| Measurement Parameters | Temperature, TDS, Conductivity |
| TDS Measurement Range | 0 - 1000 ppm |
| Temperature Range | 0 - 60°C |
| Measurement Accuracy | ±5% F.S. |
| Probe Cable Length | 1.5 meters |
| Output Signal Type | Digital Signal |
| Working Current | < 50mA |
| Probe Material | Stainless Steel & ABS |
Anonymous
Mar 29, 2026
Rating: 4/5
Good sensor, needs calibration
Accurate readings after I calibrated it with a standard solution. Out of the box it was slightly off but expected for this price point.
Anonymous
Mar 12, 2026
Rating: 3/5
Documentation unclear
Had trouble finding the right library for ESP32 initially. Once working it is fine, but more examples would help.
Anonymous
Mar 07, 2026
Rating: 5/5
Excellent build quality
Probe feels durable and the module board is well soldered. No issues with corrosion after a week in the tank.
Anonymous
Jan 29, 2026
Rating: 5/5
Perfect for my hydroponics
Works great with Arduino. The readings are stable and the probe seems durable. Setup was straightforward using the provided library.
Anonymous
Jan 23, 2026
Rating: 5/5
Fast response time
Monitoring my aquarium and the temperature updates quickly. TDS readings match my handheld tester closely.
Q: What power supply do you recommend?
A: A stable 5V 1A power supply is recommended to ensure consistent sensor readings and avoid noise.
Q: Do I need a calibration solution?
A: Calibration is recommended for precise measurements. You can use standard TDS calibration powder or solution.
Q: Is the module board itself waterproof?
A: The probe is waterproof submersible, but the module board should be kept dry or housed in a protective enclosure.
Q: Can I extend the probe cable?
A: The standard length is 1.5 meters. Extending it may cause signal loss, so we recommend keeping the original length.
Q: Is this compatible with Raspberry Pi GPIO?
A: Yes, it uses UART communication. Ensure you connect the TX/RX lines correctly and use 3.3V logic levels.
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