ORP Electrode with CPS™ - HI3149B

In stock
The HI3149B is a glass body, refillable, open junction ORP electrode with a BNC connector. This electrode features a double junction reference, Hanna’s Clogging Prevention System (CPS™) technology, and a platinum sensing ring. Compatible with all electrode filling solutions, this electrode is specifically designed for non-aqueous titrations.
  • Clogging Prevention System (CPS™) Technology
  • Platinum Sensing Ring
  • Refillable Electrode

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 Range

ORP: ±2000 mV

Reference Cell Type

double, Ag/AgC

Junction Type


Refill Electrolyte

3.5M KCl

Max Reassure

0.1 bar

Body Material


Tip shape

platinum ring

Recommended Operating Temperature

-5 to 80°C (23 to 176°F)

Temperature Sensor





coaxial; 1 m (3.3’)

Recommended use

laboratory general purpose, beer