Technical data, 5 measurement limits – KROHNE OPTIFLEX 2200 C_F EN User Manual
Page 125
TECHNICAL DATA
8
125
OPTIFLEX 2200 C/F
www.krohne.com
07/2013 - 4000668002 - HB OPTIFLEX 2200 R02 en
8.5 Measurement limits
Measurement limits (dead zone) in mm and inches
Measurement limits (non-linearity zone) in mm and inches
80 is ε
r
of water; 2.3 is ε
r
of oil
Double cable and double rod probes
Figure 8-8: Measurement limits
1 Device with a double cable probe
2 Device with a double rod probe
3 Top dead zone:
Top dead zone:
Top dead zone:
Top dead zone: Top part of the probe where measurement is not possible
4 Top non-linearity zone:
Top non-linearity zone:
Top non-linearity zone:
Top non-linearity zone: Top part of the probe with a lower accuracy of ±30 mm / ±1.18¨
5 Bottom non-linearity zone:
Bottom non-linearity zone:
Bottom non-linearity zone:
Bottom non-linearity zone: Bottom part of the probe with a lower accuracy of ±30 mm / ±1.18¨
6 Bottom dead zone:
Bottom dead zone:
Bottom dead zone:
Bottom dead zone: Bottom part of the probe where measurement is not possible
7 Gas (Air)
Gas (Air)
Gas (Air)
Gas (Air)
8 Product
Product
Product
Product
9 L, Probe length
L, Probe length
L, Probe length
L, Probe length
10 Tank Height
Tank Height
Tank Height
Tank Height
11 Minimum distance from the probe to a metallic tank wall:
Minimum distance from the probe to a metallic tank wall:
Minimum distance from the probe to a metallic tank wall:
Minimum distance from the probe to a metallic tank wall: Double cable or double rod probes = 100 mm / 4¨
Dead zone
ε
r
= 80
ε
r
= 2.3
Top 3
Bottom 6
Top 3
Bottom 6
[mm]
[inches]
[mm]
[inches]
[mm]
[inches]
[mm]
[inches]
Double cable
200
7.87
80
3.15
300
11.81
80
3.15
Double rod
150
5.91
10
0.39
300
11.81
110
4.33
Non-linearity
zone
ε
r
= 80
ε
r
= 2.3
Top 4
Bottom 5
Top 4
Bottom 5
[mm]
[inches]
[mm]
[inches]
[mm]
[inches]
[mm]
[inches]
Double cable
50
1.97
20
0.79
0
0
70
2.76
Double rod
120
4.72
30
1.18
0
0
70
2.76