
Phosphate handy photometer
Range: 0.00 to 2…

Phosphate (Low Range) Professional Photometer

pH / Temperature Meter, 0.1 pH Resolution, replac…

Pocket-size pH / ORP / Temperature Meter with rep…

Range: 0 to 1990 μS/cm

Range: 0.0 to 10.0 mS/cm

EC: 0 – 3999 uS/cm, TDS: 0 – 2000 ppm

EC: 0.00-20.00 mS/cm, TDS: 0.00-10.00 ppt

pH / Temp Meter with Resolution 0.01 pH & Acc…

pH: 0.0 to 14.0 pH, EC: 0 to 1990 uS/cm, TDS: 0 t…

Portable pH/Temperature Meter with Food Grade pH …

Digital Brix Refractometer
Range: 0 to 85% …

Digital Refractometer for Sodium Chloride Measure…

Standard Portable DO Meter
O2 Range: 0.0 to…

Free & Total Chlorine Professional Photometer…

Turbidity meter, Range: 0.00 to 50.00 (FNU) | 50 …