El marco está mecanizado de aluminio de 1/4 "de espesor y se coloca en una ranura en la superficie inferior con una junta flexible

line/progression graph and spectral curves

Recommended container capacity: 7000 ml

Integrated drying time modes from 4 minutes to 4 hours (optional drying time accessory 2141 required)

Memory: 1000 standards/samples

Lápices de pH Insta-Chek Copas El marco está mecanizado deDESCRIPTION Full range: P 12M Insta Chek 0 13 pH mechanical pencil (each pack contains 3 pencils and 2 color charts). Measure the pH of any surface. Detects acidic or alkaline residues in 15 seconds. Fits in your pocket, use it anywhere. The Insta Chek 0 13 pH Mechanical Pencil has 0 13 pH readings with fourteen bright, easy to read color changes. It will measure the pH of the surface of any solid to the nearest pH value. This mechanical pH pencil has