HANNA HI73127 笔式酸度计专用pH电极

To be used with HI 98127, HI 98128, HI 98121, HI 98129 and HI 98130

Spare tester electrode. Compatible with: HI 98129, and HI 98130 Combo multi-parameter testers, HI 98127 and HI 98128 pHep® testers, and HI 98121 ORP tester.