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Hanna Instruments offers a wide variety of ORP electrodes that are designed for many different applications. The type of material used for the sensing pin, type of glass used for body material, type of junction, type of reference and electrolyte used are just some of the design considerations.
The HI3149B uses a platinum ring, glass body, open junction with CPS technology and is refillable with 3.5M KCl.
ORP: ±2000 mV
Reference Cell Type
-5 to 80°C
(23 to 176°F)
coaxial; 1 m (3.3’)