Sper Scientific 850053 Large Display ORP Pen
Easy to carry, simple to operate
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. Features 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.
Dimensions: 6½" × 1½" × 1½" (165 × 38 × 38 mm)
Weight: 2 oz (57 g)