• Measures ORP/Redox from -999 to 999mV.
• Automatic electronic self calibration.
• Simulated analog bargraph displays change in ORP reading.
• Waterproof to IP57 protects meter from wet environment.
• Data hold, auto power off and low battery indication.

Product Description ------------------- EXTECH INSTRUMENTS RE300 ExStik ORP Meter From the Manufacturer --------------------- The Extech RE300 ExStik ORP Meter measures the ORP/Redox from -999 to 999mV. It has an automatic electronic self calibration and a simulated analog bargraph which displays the change in ORP readings. It has a high resolution of 1mV and a memory that stores and recalls up to 15 readings and it saves the last calibrated value. The data validation indicators show the user that the reading is stabilized and it features data hold, auto shut-off and low battery indication. This meter is waterproof to IP57 which protects the meter from the wet environment. The Extech RE300 ExStik ORP Meter comes complete with a flat surface ORP electrode, a protective sensor cap, a sample cup with a cap, four 3V CR2032 button batteries and a 48 inch neck strap. Incorporated in 1970, Extech Instruments is based in Waltham, Massachusetts USA, just west of Boston. Recognized for the breadth and depth of its Test & Measurement offering and strong distribution network, Extech was acquired by FLIR Systems in November 2007. Extech Instruments’ high-value, handheld test instruments and FLIR-branded infrared thermal imager are sold through a network of national catalog houses, regional stocking distributors, internet, and international master distributors. The company has become one of the largest manufacturers and suppliers of test equipment and portable printers and the Extech Instruments brand is regarded in many industries as the brand of choice. ISO 9001:2000 certified by TUV, Extech’s enviable reputation is built on innovative products that offer unique and patented designs with features, functions and reliability at an affordable price.