Large Display ORP Pen

For ORP (Oxygen Reduction Potential) measurement in water treatment, disinfection and labs

• Highly stable and accurate readings with a large LCD display
• Designed for simple one-hand operation
• Auto power off, hold function, and a low battery indicator
• The case is IP65 waterproof, and will float if accidentally dropped into the water
• Comes with 4 button-cell batteries and a built-in probe with protective cap
• Dimension - 6.5 x 1.5 x 1.5 in.