1
Introduction and Description
Technical Data
Thermo Scientific
Heraeus Fresco 17 / 21
1-3
Technical Data
The technical data of the Heraeus Fresco 17 / 21 is listed in the following table.
Table 1-1.
Technical Data Heraeus Fresco 17
Feature
Value
Environmental Conditions
-Use in interior Spaces
-Altitudes of up to 2,000 m above Sea Level
-Max. relative Humidity 80
% up to 31
°C; Decreasing linearly up
to
50
% relative Humidity at 40
°C
Permissible Ambient Temperature during
Operation
+5
°C
to
+40
°C
+5
°C to +40
°C
+5
°C to +40
°C
Permissible Ambient Temperature during
Storage and Shipping
+2
°C
to
+5
0
°C
+2
°C to +50
°C
+2
°C to +50
°C
Overvoltage Category
II
II
II
Pollution Degree
2
2
2
Heat Dissipation
Heraeus Fresco 17
Heraeus Fresco 17
Heraeus Fresco 17
230 V
120 V
100 V
1092
BTU/h
1126
BTU/h
1126 BTU/h
IP
20
20
20
Run Time
unlimited
unlimited
unlimited
Max Speed n
max
13300 rpm
13300 rpm
13300 rpm
Min Speed n
min
300 rpm
300 rpm
300 rpm
Maximum RCF Value at n
max
17000 x g
17000 x g
17000 x g
Maximum Kinetic Energy
<1
.
90 kNm
<1
.
90 kNm
<1
.
90 kNm
Noise Level at maximum Speed
< 5
0
dB (A)
< 50 dB (A)
< 50 dB (A)
Dimensions
H
e
ight
Width
Depth
330 mm
292 mm
440
mm
330 mm
292 mm
440
mm
330 mm
292 mm
440
mm
Weight without Rotor
28 kg
28 kg
28 kg
Table 1-2.
Technical Data Heraeus Fresco 21
Feature
Value
Environmental Conditions
-Use in interior Spaces
-Altitudes of up to 2,000 m above Sea Level
-Max. relative Humidity 80
% up to 31
°C; Decreasing linearly up
to
50
% relative Humidity at 40
°C
Permissible Ambient Temperature during
Operation
+5
°C
to
+40
°C
+5
°C to +40
°C
+5
°C to +40
°C
Permissible Ambient Temperature during
Storage and Shipping
+2
°C
to
+5
0
°C
+2
°C to +50
°C
+2
°C to +50
°C
