US$ 49.95
Accurate to ±5 mV with user-selectable high/low set points
✅ Chlorine
01 buffer solutions before each use
MA911B/2 double junction pH electrode
Tianqiu AG13/ LR44H/ 357A 1.5V Alkaline Batteries - 10 Pieces food testing pH Accurate to ±5 mV withTianqiu AG13 LR44H 357A 1. 5V Alkaline Batteries 10 Pieces.
US$ 49.95
US$ 39.99
US$ 84.95
US$ 54.00