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Hanna Instruments 7022L

Solution OPR#470

Order #: 7022L

Mfg Part #: 7022L

$25.00 USD

$23.75 USD


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Overview :

Product Highlights

  • ORP standard solutions allow you to test the precision of ORP electrodes
  • By immersing the electrode in HI 7022 solution, you should read 470 mV @ 25°C/77°F
  • If the reading is outside the indicated interval, clean and condition your ORP electrode in HANNA® pretreatment solution
  • Use HI 7092 for oxidizing or HI 7091 for reducing pretreatment