The EcoSense® ORP15A pen-style instrument provides an easy-to-use graphic interface, simple one-hand operation, memory, and low cost of ownership. The ORP15A measures ORP (absolute and relative mV) and temperature. The ORP15A is designed for quick, accurate results in an economical platform. With a one-year instrument warranty and six-month electrode warranty, the ORP15A will fit your needs for an easy-to-use mV instrument for food (vegetable washing and sanitizers), swimming pools, wastewater, and aquaculture sampling.