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HI7021M is an ORP test solution designed for testing the performance of ORP electrodes. When the ORP electrode is placed in the test solution the reading obtained should be within +/- 20 mV of the 240 mV @ 25°C value. This solution allows users to quickly see if their electrodes are reading correctly.
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HI7021M is a quality ORP test solution made from reagent grade chemicals and used to test platinum and gold ORP electrodes. Hanna test solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. - Prepared with reagent grade chemicals - Allows for a quick check of your ORP electrode - Air-tight seal to ensure the quality of the solution Specifications: ORP Value @ 25Â°C - 240 mV Description - ORP test solution @240mV (@25Â°C) Package - bottles Size - 230 mL Quantity - 1