US$ 55.00
5-inch stainless steel rod with thread-fitted joints for smooth adjustment
Thermally isolated 150mL aluminum reservoir inside a polystyrene-lined jacket
Pairs 50mm of aperture with a 200mm focal length on a convex glass surface
360-degree optical bench disk
marked (Al) on one face with a total 1
Handheld Digital pH Tester, EI 0961 Subcategory_Condensers 5-inch stainless steel rod withHandheld digital pH tester designated EI 0961, displaying solution acidity on a benchtop grade meter small enough for fieldwork and classroom water quality lessons.
US$ 55.00
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