“straight” - “classAS” - “conformity certified”
volumetric measurement & liquid handling
Manufactured from pre-vacuum calibrated borosilicate 3.3
tubing according to ISO 385 standards.
Calibrated according to DIN/ISO Class “AS” standard.
Featured with a (“DE-M”) conformity mark according to
German federal weights and measures regulations.
Individual calibration carried out by automatic robots
eliminate possible deviations from nominal values.
Conformity mark and batch number printed on the body
surface. Batch certificate can be downloaded from website.
Supplied with an interchangeable PTFE stopcock which
does not require greasing at all. Stopcock guarantees the
best drop control. Identical keys need no “matching the pairs”
Inscriptions and nominal values on clear burettes are
printed with blue enamel.
Inscriptions and nominal values on amber burettes are
printed with white enamel.
Schellbach stripe featured with a narrow blue band which
is at the center of the larger white band offers easier and
accurate observation of the meniscus line.
Alternative 2 products: Clear burettes
2 type clear burettes: Without schellbach stripe
With schellbach stripe
Supplied with an interchangeable
PTFE stopcock which does not
require greasing at all.
The unique form of stopcock
guarantees the best drop control.
Can be closed with a gentle turn and
enables leak-proof closure.
Identical keys need no “matching the
pairs” during cleaning.
All clear burette inscriptions and
nominal values are printed with blue
All amber burette inscriptions and
nominal values are printed with white
For easier reading, the schellbach
stripe is printed at the back wall side
of the burette.
Featured with a narrow blue band
which is at the center of the larger
The light fraction creates two arrow
head points which appear at the
meniscus line level.
Meniscus reading point is exactly
where these two arrow heads meet