Waterproof TDS Tester, Range: 0 to 9990 ppm
pH: 0.00 to 14.00 pH, EC: 0 3999 uS/cm, TDS: 0 to…
pH: 0.00 to 14.00 pH, EC: 20.00 mS/cm, TDS: 0 to …
Standard Portable pH Meter with 0.01 pH resolutio…
pH meter kit to measure pH in soil
pH / Temp Meter with Resolution 0.01 pH & Acc…
Portable pH/Temperature Meter with Food Grade pH …
Range: 0 to 1990 μS/cm
Range: 0.0 to 10.0 mS/cm
Standard TDS tester – High range
Rang…
pH: 0.00 to 14.00 pH, EC: 0.00 to 6.00 mS/cm, TDS…