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.
Order Information:
To be used with HI 98127, HI 98128, HI 98121, HI 98129 and HI 98130
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