Hanna Instruments HI7022M
ORP Testing Solution OPR value @25C (470mV)
Order #: HI7022M
Mfg #: HI7022M
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Questions about this product?
- ORP standard solutions allow you to test the precision of ORP electrodes
- By immersing the electrode in HI 7020 solution, you should read within the 200 to 275 mV range (@20°C/68°F)