HI7020L 200 to 275 mV @ 25°C ORP Test Solution (500 mL)

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HI7020L 200 to 275 mV @ 25°C ORP Test Solution (500 mL)

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HI7020L is a high quality ORP test solution made from reagent grade chemicals. 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


HI7020L is an ORP test solution designed for testing the precision of ORP electrodes in the range of 200 to 275 mV @ 25°C. By simply immersing the ORP electrode in the test solution, users can quickly see if their electrodes are reading accurately within the specified range. Using this as a diagnostic tool, users can clean and condition their ORP electrodes if necessary to ensure they achieve correct measurements. The test solutions are produced in our state-of-the-art manufacturing facility using reagent grade chemicals in a temperature controlled environment.


The HI7020 bottle is labeled with

  • Product code

  • Lot number

  • Expiration date


Air tight bottle with tamper-proof seal

  • Ensures quality and freshness of solution




ORP Value @ 25°C 200 to 275 mV
Package bottles
Size 500 mL
Quantity 1
Certificate of Analysis no