









💧 Dive into precision—measure your liquid’s purity like a pro!
The CQRobotTDS Meter Sensor is a versatile, waterproof Total Dissolved Solids sensor compatible with Raspberry Pi and Arduino boards. Featuring a wide voltage input (3.3V-5.5V), analog output (0-2.3V), and AC excitation to prevent probe polarization, it delivers ±10% accuracy for reliable liquid quality analysis in scientific, educational, and DIY applications.






| Manufacturer | CQRobot | 
| Part number | CQRSENTDS01 | 
| Item Weight | 50 g | 
| Package Dimensions | 10.49 x 7.19 x 1.7 cm; 50 g | 
| Item model number | CQRSENTDS01 | 
| Style | TDS Meter Sensor | 
| Material | PLA_(Polylactic Acid), PE_(Polyethylene) | 
| Measurement Accuracy | Plus/Minus 10% F.S. | 
| Specific uses | liquid quality analysis, scientific research, laboratory use, online analysis, DIY projects, educational settings | 
| Batteries included? | No | 
| Batteries Required? | No | 
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