Sper Scientific, Ltd. Large Display ORP Pen
The Sper Scientific Large Display ORP Pen 850053 is a portable oxidation-reduction potential (ORP) meter designed for quick and accurate measurements in the field or laboratory. It features a large, easy-to-read LCD display that shows ORP readings in millivolts (mV) and includes a hold function to freeze the displayed value for convenient recording. The pen is waterproof (IP67 rated), floats if dropped in water, and is suitable for use in a variety of applications including water quality testing, aquariums, pools, and environmental monitoring. The 850053 comes with a protective cap, batteries, and a wrist strap for added convenience and portability. The replaceable electrode ensures long-term usability and cost-effectiveness.