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Home / Computer Hardware, Monitors & Peripherals / Water Quality TDS Sensor Module Aquarium Liquid Online Temperature-Compensated Probe Conductivity Tester

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Measurement Range 0-1000 ppm
Accuracy ±5% F.S.
Operating Temperature 0-50°C
Power Supply 3.3V - 5V DC
Output Signal Analog Voltage
Probe Material Stainless Steel 316
Cable Length 1.5 meters
Waterproof Rating IP68 (Probe)
Response Time < 5 seconds
Compatibility Arduino, ESP32, Raspberry Pi

5 reviews

A

Anonymous

Apr 15, 2026

Rating: 4/5

Good sensor, short cable

Sensor works well but wish the cable was a bit longer for my tank setup.

A

Anonymous

Apr 15, 2026

Rating: 5/5

Perfect for my nutrient mix

Works great with my ESP32 setup. Readings are consistent compared to my handheld meter.

A

Anonymous

Feb 01, 2026

Rating: 4/5

Good value, minor calibration needed

Solid build quality. Had to calibrate it out of the box but works well now.

A

Anonymous

Jan 28, 2026

Rating: 5/5

Easy to integrate

Documentation was clear. Connected to Arduino Uno without issues.

A

Anonymous

Jan 21, 2026

Rating: 5/5

Reliable monitoring

Been using it for 3 months in my hydroponic system. No drift noticed.

5 FAQ

Q: Does it measure pH as well?

A: No, this module measures TDS and Conductivity only.

Q: Is this compatible with 5V Arduino boards?

A: Yes, it operates within 3.3V to 5V DC.

Q: How often should I calibrate the probe?

A: We recommend calibration every 2-4 weeks depending on usage frequency.

Q: What is the thread size for mounting?

A: It uses a standard 3/4 inch NPT fitting for most setups.

Q: Can this be submerged completely?

A: The probe is IP68 rated, but the controller board should remain dry.

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