Product Details:
The apparatus consists of a cast aluminium base with an iron stand on which moves aluminium arm. A 15cm dial is fixed on this arm and a brass rod slides through the lower portion of the arm. A needle with weight is fitted to this rod. The dial is graduated from0-400 in one tenth millimeter sub division. Supplied complete with adjustable needle holder, penetration needle, sample container, transfer dish and
Available in models
- Hand operated
- Automatic, with digital timer