Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Input Voltage | 3.3V to 5.5V DC |
| Output Signal | Analog Voltage (0-2.3V) |
| Measurement Range | 0 to 1000 ppm |
| Probe Material | Titanium Alloy |
| Probe Length | 56 mm |
| Cable Length | 85 cm |
| Interface Type | PH2.0-3Pin |
| Compatibility | Arduino, 51, STM32, ESP32 |
| Operating Temperature | 0°C to 50°C |
| Product Weight | 25 grams |
Anonymous
Mar 31, 2026
Rating: 3/5
Decent sensor
It works, but the documentation could be better. Had to search online for code examples. Sensor itself seems durable though.
Anonymous
Mar 15, 2026
Rating: 5/5
Great for Hydroponics
Works perfectly with my Arduino setup. I use it to monitor nutrient levels in my hydroponic garden. The analog output is stable and easy to read.
Anonymous
Feb 27, 2026
Rating: 5/5
Excellent Value
Best price I found for a TDS module with this build quality. Using it for a water quality logging project and it has been reliable for months.
Anonymous
Feb 18, 2026
Rating: 5/5
STM32 Compatible
Connected easily to my STM32 board. The voltage levels match well with the ADC. Good build quality on the probe itself.
Anonymous
Feb 16, 2026
Rating: 4/5
Good but needs calibration
Accurate after calibration with a standard solution. Out of the box readings were slightly off, but once tuned it works well for general monitoring.
Q: Can I use this to test drinking water safety?
A: This sensor measures Total Dissolved Solids only. It does not detect bacteria or viruses. Use it for general quality monitoring, not safety certification.
Q: What calibration solution do you recommend?
A: We recommend using a standard 1413 ppm TDS calibration solution for best accuracy during the initial setup process.
Q: Is the electronic module waterproof?
A: Only the probe head is waterproof (IP67). The circuit board module should be kept dry or housed in a waterproof enclosure.
Q: Does it require specific libraries?
A: No specific library is needed. It outputs an analog voltage that can be read using standard analogRead functions on most microcontrollers.
Q: What is the maximum water temperature?
A: The recommended maximum water temperature is 50°C. Exceeding this may damage the probe or affect reading accuracy.
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