1
SAFETY INSTRUCTIONS
8
OPTISWIRL 2100
www.krohne.com
04/2020 - 4007600701 - MA OPTISWIRL 2100 R01 en
The devices are rated for the following flow velocities:
Liquids:
DN15...DN300
V
min
: 0.3 m/s
0.98 ft/s
1
V
max
: 10 m/s
32 ft/s
2
Gases and
steam:
DN15
V
min
: 3 m/s
10 ft/s
1
V
max
: 45 m/s
147 ft/s
2
DN15C
V
min
: 3 m/s
10 ft/s
1
V
max
: 55 m/s
180 ft/s
2
DN25
V
min
: 2 m/s
6.6 ft/s
1
V
max
: 70 m/s
229 ft/s
2
DN25C
V
min
: 2 m/s
6.6 ft/s
1
V
max
: 80 m/s
262 ft/s
2
DN40...
DN300
V
min
: 2 m/s
6.6 ft/s
1
V
max
: 80 m/s
262 ft/s
2
Table 1-3: Flow velocities
1
Use the larger value, according to the amount.
2
Use the smaller value, according to the amount.
INFORMATION!
DN15C and DN25C have a robust flow sensor (signal pick-up) for harsh measuring conditions
and higher maximum velocity compared to the standard version.
