9951W Water Quality Meter 5 In 1 Multi WiFi Continuous PH TDS SALT SG TEMP

Accuracy: pH: ±0.1 H; EC, TDS, Salinity: ±2% F.S. Salinity: 0 to 199.0 ppt. Salinity: 1 ppm (<1999 ppm), 10 ppm (>1999 ppm) 0.1 ppt. TDS: 0 to 19900ppm, 0 to 199.0ppt. TDS: 1 ppm (<1999 ppm), 10 ppm (>1999 ppm) 0.1 ppt.

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