Extech Ph Meter Waterproof PH90 W/BATTERY                  

Benefits

• 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.

Features

• 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

Specifications

• pH 0 to 14.00pH 0.01pH +-(0.01pH + 1d) or +-0.2pH
• Temperature 32 to 194DegF (0 to 90DegC) 0.1Deg +-1.8DegF (+-1DegC)
• Power Two 3V CR3032 button batteries 
• Dimensions 1.4 x 6.7 x 1.4 inch (36 x 170 x 36mm)  
• Weight 3oz (85g)

Technical Specifications  

• Netto Weight : 0.12 KG
• Height Demension : 9 CM
• Length Demension : 8 CM
• Width Demension : 22 CM
• Type : PH METER
• Dimension uom : 8 CM
• Temperature : 0 to 90 DegC