Electrical connections, 3 length of signal cable a – KROHNE IFC 300 Converter Quickstart EN User Manual
Page 20
3
ELECTRICAL CONNECTIONS
20
IFC 300
www.krohne.com
08/2010 - 4000070303 - QS IFC 300 R06 en
3.4.3 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
[µS/cm]
Curve for signal
cable A
DN [mm]
[inch]
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
25...600
1...24
20
A1
Figure 3-4: 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 [μS/cm]