Velp Scientifica
– UDK139 Operating Manual
10004762/B5
45
5.1.4. Black-out
A power failure during analysis will result in the analysis in progress being lost. The
previously entered analysis parameters will be retained. When the electricity is
restored the unit will carry out preheating before starting analysis.
5.2.
Graph of steam production
The time required to produce 100ml of distillate at different steam production rates is
shown in the following graph:
The UDK139 Semi-automatic Distillation Unit can produce 100ml of distillate in just 4
minutes (see graph). Steam production can be set from 10% to 100% in order to
perform fast or slow distillations.
0
5
10
15
20
25
30
35
40
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
D
IS
T
IL
L
A
T
IO
N
T
IM
E
(
m
in
)
STEAM FLOW (%)
WITH AN EMPTY TEST TUBE
WITH 100 ml OF WATER AT 15°C IN THE TEST TUBE
30'
34'
12'40''
11'30''
2
6'30''
5'45''
5'30''
4'45''
4'45''
4'
3'45''
3'20''
3'
2'45''
232
