“classAS” - “conformity certified”
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.
Featured with an intermediate PTFE stopcock for fast and
Supplied with a PTFE “needle” valve stopcocks which does
not require greasing at all.
Clear automatic burettes are featured with a schellbach
stripe for easier and accurate observation of the meniscus
Inscriptions and nominal values on clear burettes are
printed with blue enamel.
Inscriptions and nominal values on amber burettes are
printed with white enamel.
Automatic burettes are supplied without bottles and bellow.
Bottles and bellows should be ordered separately.
Supplied with a PTFE “needle” valve
stopcock which does not require
greasing at all.
The unique “needle” key form
guarantees the best drop control.
Can be closed with a gentle turn and
enables leak-proof closure.
All automatic burettes are featured
with an intermediate PTFE stopcock
for reliable, fast and accurate
volumetric measurement & liquid handling
Alternative 2 burettes: Clear burettes
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