Extech PH90 Waterproof pH Meter
Waterproof pH Meter

Rugged waterproof (IP57) housing with a flat surface electrode for measuring pH in liquids, semisolids, and solids. Unlike standard glass bulb electrodes, it does not crack or clog its joints. The sensor is easy to replace and ideal for usage in the field or laboratory.

Specifications

pH 0 to 14.00pH
pH Basic Accuracy ±(0.01pH + 1d) or ±0.2pH
pH Max Resolution 0.01pH
Temperature (Contact) 32 to 194°F (0 to 90°C)
Temperature (Contact) Basic Accuracy ±1.8°F (±1°C)
Temperature (Contact) Max Resolution 0.1°
Certifications CE
Dimensions 1.4 × 6.7 × 1.4" (36 × 170 × 36mm)
IP Rating IP57
Power 2 × CR3032 (3V) button batteries
Warranty 2 years
Weight 3oz (85g)