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UDK 139
Semi-automatic Distillation Unit
Operating manual
Velp Scientifica thanks you for choosing the UDK 139 Semi-automatic Distillation Unit. The
UDK 139 is designed to
perform nitrogen and protein content determination according to the
Kjeldahl Method (TKN) in the Food & Feed industry and has several other applications in
environmental control (nitrogen in water, soil and lubricants) and in the chemical and
pharmaceutical industry according to official
AOAC, EPA, DIN e ISO procedures.
Safety warnings:
Before using the unit, please read the operating manual supplied with the apparatus
carefully.
Warning! Hot surface!
Do not dispose of this equipment as urban waste
This unit must be used for laboratory applications only.
The manufacturer declines all responsibility for any use of the unit that does not comply with
the instructions.
SAFETY PRECAUTIONS
In order to prevent the risk of electric shock, fire and personal injury when the unit is in use,
basic safety measures must always be taken including:
Ensure that liquids do not come into contact with the electric power cable or with the
electrical parts of the instrument.
Check that the power supply corresponds to the rating plate on the rear of the unit.
When replacing the power cable, make sure that the new cable has the same
characteristics as the original and that it is earthed.
Do not use the unit if it is not working correctly. In case of malfunctioning, contact your
nearest service centre.
The personal protective equipment must be compatible with the possible risks posed by
the material being processed and the glass of the containers.
The test tube reaches a temperature of 100°C during distillation and also during the
cooling phase. Use the pincer supplied to remove the test-tube at the end of distilling.
The vessels and the products used during the work-cycle must be compatible with the
temperatures reached by the unit (approx. 100°C).
For further information on the handling of the
reagents see Chapter 2 “Chemicals”.
Leave the transparent guard in place when the unit is running.
Follow the cleaning instructions described in this manual
The safety of the instrument is no longer guaranteed in the case of improper use or if the
instructions in this manual are not followed.
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