Burette, Dafert, blue graduation, patented key, glass male NS
Borosilicate glass 3.3, blue graduation, patented 3-way key with NS glass male, straight outlet, Schellbach flannel for better reading, stripe graduation. Additional batch quality certificates can be generated and printed free of charge at any time via www.hirschmannlab.de.
Features:
fMade of borosilicate glass 3.3
according to DIN EN ISO 385
high chemical resistance
Minimum heat expansion and therefore high resistance to temperature changes
with automatic zero point adjustment
ajustadas "EX" (por vertido)
class AS (quick emptying, with capacities at main points)
with blue graduation and Schellbach stripe. This stripe on the back of the device facilitates accurate reading at the lowest point of the meniscus.
valve with two oblique paths with male NS of PTFE for easy transition from filling to chemical titration
4 pieces in strong cardboard
Technical Specifications
Burette, Dafert, blue graduation, patented key, glass male NS