| Brand | Hanna |
|---|---|
| Product | pH Meter |
| MPN | HI1131B |
| UPC | 756806481047 |
Check the listing for details. Hanna Instruments Refillable Combination pH Electrode with BNC Connector. Condition: New. Listed at 206.99 USD. With a double junction design and the ability to change out contaminated electrolyte, this economical pH electrode ensures great results. The HI1131B is a refillable probe. Since it is a double junction combination ph electrode the fill solution is the HI7082 3.5M KCl.