Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Operating Voltage | 3.3V - 5.5V DC |
| Output Signal | Analog Voltage (0-2.3V) |
| Measurement Range | 0 - 1000 ppm |
| Accuracy | +/- 10% F.S. |
| Response Time | < 5 Seconds |
| Probe Length | 60 mm |
| Interface Compatibility | Arduino, STM32, ESP8266, ESP32 |
| Working Temperature | 0°C to 50°C |
| Cable Length | 1.5 Meters |
| Waterproof Rating | IP67 (Probe Only) |
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for my hydroponics setup
This TDS sensor module works flawlessly with my Arduino Uno. The readings are consistent and match my handheld meter within a reasonable margin. Setup was straightforward using the provided library examples.
Anonymous
Mar 20, 2026
Rating: 5/5
Great documentation support
Not only is the sensor reliable, but the online resources and example codes made integration a breeze. It detected changes in water quality instantly during my tests.
Anonymous
Mar 20, 2026
Rating: 5/5
Easy integration with STM32
I was worried about compatibility with my STM32 board, but it connected without any issues. The analog output is stable, and the code required minimal adjustment. Highly recommended for DIY projects.
Anonymous
Mar 19, 2026
Rating: 4/5
Good value but needs calibration
The hardware quality is solid for the price. However, you must calibrate it with standard solutions before getting accurate results. Once calibrated, it performs well for general monitoring tasks.
Anonymous
Mar 06, 2026
Rating: 4/5
Solid performance for the price
Using this to monitor rainwater collection. It provides good trend data even if absolute precision varies slightly. The cable length is sufficient for most tank setups.
Anonymous
Mar 01, 2026
Rating: 3/5
Decent but probe feels fragile
The electronics work fine, but the probe casing feels a bit thin. I am careful when handling it to avoid damage. Readings are okay for hobby use but maybe not for critical industrial applications.
Q: Does this module come with calibration powder?
A: No, the module does not include calibration powder. We recommend purchasing standard TDS calibration solutions separately for best accuracy.
Q: How often should I clean the probe?
A: For optimal performance, we suggest gently cleaning the probe with distilled water and a soft cloth every 2-4 weeks, depending on the turbidity of the water being tested.
Q: Can this be used directly in saltwater aquariums?
A: This sensor is designed primarily for fresh water and hydroponics. High salinity levels in saltwater may affect accuracy and potentially degrade the probe faster.
Q: What is the maximum depth the probe can be submerged?
A: The probe itself is waterproof up to IP67 ratings, but the junction where the cable meets the probe should not be fully submerged. We recommend keeping the connection point above the water line.
Q: Is there a digital output version available?
A: This specific model outputs an analog signal. If you require a digital interface, you will need to use the ADC pins on your microcontroller or an external ADC module.
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