DFRobot Gravity: Analog TDS Meter Sensor Kit

The DFRobot Gravity Analog TDS Meter Sensor Kit measures total dissolved solids in water and feeds the reading to your microcontroller, so you can log water purity over time rather than spot-checking with a pen meter. It suits drinking water checks, hydroponics and aquariums.

Key features

• Measures 0 to 1000ppm TDS with ±10% accuracy
• AC excitation prevents probe polarization, extending probe life and steadying the signal
• Waterproof 83cm probe suitable for long-term immersion
• Gravity 3-pin plug-and-play connection with sample code, no soldering
• 3.3 to 5.5V supply with 0 to 2.3V analog output, for 3.3V or 5V boards

Specifications

• Range: 0 to 1000ppm
• Accuracy: ±10%
• Supply voltage: 3.3 to 5.5V
• Output: 0 to 2.3V analog
• Probe: Waterproof, 83cm

Only the probe tip and cable are waterproof; keep the connector and signal board dry. Pair it with a pH sensor from our sensors and modules collection for a fuller water quality station.