Electrical connections, 6 length of signal cable b – KROHNE IFC 300 Converter Quickstart EN User Manual
Page 24
3
ELECTRICAL CONNECTIONS
24
IFC 300
www.krohne.com
08/2010 - 4000070303 - QS IFC 300 R06 en
3.4.6 Length of signal cable B
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
[µS/cm]
Curve for signal
cable B
DN [mm]
[inch]
OPTIFLUX 1000 F
10...150
3/8...6
5
B2
OPTIFLUX 2000 F
25...150
1...6
20
B3
200...2000
8...80
20
B4
OPTIFLUX 4000 F
2.5...6
1/10...1/6
10
B1
10...150
3/8...6
1
B3
200...2000
8...80
1
B4
OPTIFLUX 5000 F
2.5
1/10
10
B1
4...15
1/6...1/2
5
B2
25...100
1...4
1
B3
150...250
6...10
1
B4
OPTIFLUX 6000 F
2.5...15
1/10...1/2
10
B1
25...150
1...6
1
B3
WATERFLUX 3000 F
25...600
1...24
20
B1
Figure 3-8: Maximum length of signal cable B
1 Maximum length of signal cable B between the measuring sensor and signal converter [m]
2 Maximum length of signal cable B between the measuring sensor and signal converter [ft]
3 Electrical conductivity of the medium being measured [μS/cm]