ExStik™ Waterproof ORP Meter is a waterproof rugged ExStik® ORP Meter with a flat surface electrode that provides "on-the-spot" measurements.

Features:

• Measures ORP/Redox from -999 to 999mV
• Waterproof design floats in water and protects the meter in wet environment
• Automatic electronic self calibration
• Simulated analog bargraph displays change in ORP reading
• Interchangeable electrodes give you the versatility to change electrodes
• Uniquely designed Ex-Stik™ Series is able to measure pH, chlorine or ORP by using optional interchangable flat surface elctrodes

Spec Summary:

ORP (mV):	-999 to 999mV
Temperature:	23 to 194°F (-5 to 90°C)
Resolution:	1mV
Accuracy:	±4mV
Power:	Four LR44 button batteries
Dimensions:	1.4" x 6.8" x 1.6" (35.6 x 172.7 x 40.6mm)
Weight:	3.85oz (110g)