4
ELECTRICAL CONNECTIONS
30
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
4.4.3 Length of signal cable A
INFORMATION!
For temperatures of the medium above 150
°
C / 300
°
F, a special signal cable and a ZD
intermediate socket are necessary. These are available including the changed electrical
connection diagrams.
Measuring sensor
Nominal size
Min. electrical
conductivity
[
µ
S/cm]
Curve for signal
cable A
DN [mm]
[inches]
OPTIFLUX 1000 F
10...150
3/8...6
5
A1
OPTIFLUX 2000 F
25...150
1...6
20
A1
200...2000
8...80
20
A2
OPTIFLUX 4000 F
2.5...150
1/10...6
1
A1
200...2000
8...80
1
A2
OPTIFLUX 5000 F
2.5...100
1/10...4
1
A1
150...250
6...10
1
A2
OPTIFLUX 6000 F
2.5...150
1/10...6
1
A1
WATERFLUX 3000 F
50...600
2...24
20
A1
Figure 4-4: Maximum length of signal cable A
1
Maximum length of signal cable A between the measuring sensor and signal converter [m]
2
Maximum length of signal cable A between the measuring sensor and signal converter [ft]
3
Electrical conductivity of the medium being measured [
μ
S/cm]
.book Page 30 Wednesday, June 10, 2009 4:20 PM