Pocket TDS Pen, Range: 0 to 10000 ppm
Waterproof TDS Tester, Range: 0 to 9990 ppm
Economical Pocket size pH Tester
Waterproof pH Tester, 0.1 pH Resolution, Replacea…
pH / Temperature Meter, 0.1 pH Resolution, replac…
Pocket-size pH / ORP / Temperature Meter with rep…
Range: 0 to 1999 uS/cm
Range: 0.00 to 10.00 mS/cm
Range: 0 to 1990 uS/cm
EC: 0 – 3999 uS/cm, TDS: 0 – 2000 ppm
EC: 0.00-20.00 mS/cm, TDS: 0.00-10.00 ppt
Portable pH meter with 0.1 pH resolution, Replace…
Standard Portable pH Meter with 0.01 pH resolutio…
Range: 0 to 1990 μS/cm
Standard TDS tester – High range
Rang…
pH: 0.0 to 14.0 pH, EC: 0 to 1990 uS/cm, TDS: 0 t…
Digital Refractometer for Seawater Measurements
Free chlorine handy photometer
Range: 0.00 …
Total chlorine handy photometer
Range: 0.00…
Free & Total Chlorine Professional Photometer…