PH90: Waterproof pH Meter


  • Rugged replaceable flat surface pH electrode for quick on-the-spot pH measurements
  • Simultaneous display of pH and Temperature
  • 2 or 3 point calibration automatically recognizes buffer solutions (order pH buffers separately)
  • PTS (percent of slope) tells you when it’s time to replace your electrode (below 70% or above 130%)
  • Automatic Temperature Compensation
  • Data Hold, Min/Max, Auto Power Off, and low battery indication
  • Waterproof design (IP57) floats in water and protects the meter in wet environment
  • Complete with flat surface pH electrode, protective sensor cap, and two 3V CR-2032 button batteries
  • English Datasheet
  • English User’s Manual

Available on back-order

SKU: ph90-waterproof-ph-meter Categories: , Tags: , ,


Water Quality Meter with Rugged Housing and Flat Surface Electrode

Rugged waterproof (IP57) housing with Flat Surface Electrode for measuring pH in liquids, semi-solids, and solids. Does not break or get junctions clogged like the traditional glass bulb electrodes. Easy to replace sensor is perfect for field or lab use.

Specifications Range Max Resolution Basic Accuracy
pH 0 to 14.00pH 0.01pH ±(0.01pH 1d) or ±0.2pH
Temperature 32 to 194°F (0 to 90°C) 0.1° ±1.8°F (±1°C)
Power Two 3V CR3032 button batteries
Dimensions 1.4 x 6.7 x 1.4″ (36 x 170 x 36mm)
Weight 3oz (85g)