Digital TDS-3D METER For Bioflock Specification: • TDS Range: 0-9990 ppm (mg/L) • Accuracy: +/- 2% • Calibration: Factory calibrated with NacI 342 ppm; adjustable • Power: 2 x 1.5V button cell (357A) • Battery Life: Approx. 1000 hours • Dimensions: 15.5 x 3.1 x 2.3 cm • Weight: 76.5 grams For more i