HachIntelliCAL PHC705 Laboratory General Purpose RedRod Refillable Glass pH Electrode, 1 m CableSKU · PHC70501
HachIntelliCAL PHC705 Laboratory High Alkalinity Range RedRod Refillable Glass pH Electrode, 1 m CableSKU · PHC705A01
HachIntelliCAL PHC725 Laboratory Low Ionic Strength Media RedRod Refillable Glass pH Electrode, 1 m CableSKU · PHC72501
HachIntelliCAL PHC729 Laboratory Surface Measurements RedRod Refillable Glass pH Electrode, 1 m CableSKU · PHC72901
HachIntelliCAL PHC735 Laboratory Dirty Media RedRod Refillable Glass pH Electrode, 1 m CableSKU · PHC73501
HachIntelliCAL PHC745 Laboratory Clogging Media RedRod Refillable Glass pH Electrode, 1 m CableSKU · PHC74501