Thermo Scientific LabTower AFT 20 Operating Instructions Manual page 12

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