Pocket Digital pH Tester, 0-14 Range, ±0.1 Accuracy Subject_Physical Science and resonance relationships

and resonance relationships

Stainless steel two-prong double-adjustable universal clamp with vinyl-coated prongs and a swivel bosshead up to 21 mm

the wider square-face proportions handling broader incident beams in dispersion and refraction demonstrations

Insulated bobbin coil for the demountable transformer with 4mm panel sockets and an enclosed earth pin

the hand-driven mechanism spinning seven color segments fast enough to merge into apparent white through persistence-of-vision

Pocket Digital pH Tester, 0-14 Range, ±0.1 Accuracy Subject_Physical Science and resonance relationshipsFor benchtop and field water quality testing, this pocket sized digital pH tester reads the full 0 to 14 range at 0. 1 accuracy with a calibration screwdriver and case.