筆式酸度計ST10 ph計
pH測量范圍0.00 – 14 pH精度±0.1 pH
ST20酸度計pH計
測量范圍0.00 – 14 pH;0.0 – 99.0 °C精度± 0.05 pH / ± 0.5 °C
Starter 筆式測量儀