- The solid-stem types have the graduation indestructibly diffused into the glass surface and are acid and base resistant.
- The enclosed-scale versions each have a prismatic capillary that makes for better reading.
- Measurement accuracy within tolerances specified by the PTB (Physikalisch-Technische Bundesanstalt).
- Also available with internationally recognised DAkkS certificate (ILAC).
Jawa Barat - Bekasi