ASP200-2-1M-BNC / EUTECH pH Lab Electrode The 3550 is an economical combination electrode ideal for your general-purpose applications in the lab or field. It has the impact-resistant qualities of an epoxy body.
Spare tester electrode, goes to HI 98129, and HI 98130 Combo multiparamter testers, HI 98127 and HI 98128 pHep® testers, HI 98120 and HI 98121 ORP testers.