Thermo Scientific 50135466, Руководство по эксплуатации

Страница: 12 / 58

Thermo Scientific Barnstead LabTower AFT
Pure water system
12
Electrical connections / external switched mode power supply AFT 20
Input voltage AC 100 – 240 V, 50 – 60 Hz, 5 – 3.8 A
Output voltage DC 24 V, 3.8 A
System connection DC 24 V, 80 W
Serial interface RS 232
Protection Class
Class
II
(external SMPS certified as Class
I
)
Electrical connections / external switched mode power supply AFT 40
Input voltage AC 100 – 250 V, 50 – 60 Hz, 4 – 2.5 A
Output voltage DC 48 V, 2.5 A
System connection DC 48 V, 120 W
Serial interface RS 232
Protection Class Class II (external SMPS certified as Class I )
Airborne sound emission
Sound-pressure level 49 db(A)
Ambient conditions (DIN EN 61010-1 (VDE 0411-1):2011-02)
Usage Indoor rooms
Height Up to 2000 m
Temperature range From 5° C to 40° C
Relative humidity Maximum relative humidity 80 % at temperatures of
up to 31° C, linearly decreasing to 50 % relative hu-
midity at 40° C
Line-voltage variation
Not more than
±
10 % of the line voltage
Transient overvoltages As usually occur in the supply network (overvoltage
category II acc. To IEC 60364-4-443).
Note: The rated level of transient overvoltage is the
withstand impulse voltage acc. To overvoltage cate-
gory II of IEC 60364-4-443
Ventilation requirements There are no special requirements with regard to ven-
tilation.
Degree of pollution 2
Materials of parts that contact water
Pump head Nylon with glass fibre
Filter cartridge PP
Rinsing solenoid valve PA
Conductivity measuring cell POM, stainless steel
Distribution block POM
Connectors POM
Hoses PE
Gaskets EPDM