Pocket TDS Pen, Range: 0 to 1990 ppm
Pocket TDS Pen, Range: 0 to 10000 ppm
Waterproof TDS Tester, Range: 0 to 1999 ppm (mg/L…
Waterproof TDS Tester, Range: 0 to 9990 ppm
Economical Pocket size pH Tester
Waterproof pH Tester, 0.1 pH Resolution, Replacea…
Waterproof pH Tester, 0.01 pH resolution Replacea…
pH / Temperature Meter, 0.1 pH Resolution, replac…
Range: 0 to 1999 uS/cm
Range: 0.00 to 10.00 mS/cm
Range: 0 to 1990 uS/cm
Range: 0 to 20000 µS/cm
EC: 0 – 3999 uS/cm, TDS: 0 – 2000 ppm
EC: 0.00-20.00 mS/cm, TDS: 0.00-10.00 ppt
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 …