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8 Supplement
WIKA Operating instructions - Submersible pressure transmitter model LH-20
8 Supplement
8.1 Technical data
General data
Measured variable
Level
Measuring principle
Ceramic-capacitive, dry measuring cell
Materials and weights
Materials, wetted parts
Ʋ
Transmitter
316L, Titanium
Ʋ
Diaphragm
Ceramic (99.9 % Al
2
O
3
)
Ʋ
Measuring cell seal
Two-fold FKM, two-fold EPDM
Ʋ
Suspension cable
PE, FEP, PUR
Materials, non-wetted parts
Ʋ
Type label support on suspension
cable
PE hard
Weight approx.
Ʋ
Basic weight
0.8 kg (1.764 lbs)
Ʋ
Suspension cable
0.1 kg/m (0.07 lbs/ft)
Input variable
Nominal measuring ranges and overload resistance
The specifications are only an overview and refer to the measuring cell. Limitations due to the ma
-
terial and version of the process fitting are possible. The specifications on the nameplate apply.
Measuring ranges
Overload capacity, max. pressure
Gauge pressure
0 … 0.1 bar
15 bar
0 … 0.16 bar
20 bar
0 … 0.25 bar
30 bar
0 … 0.4 bar
30 bar
0 … 0.6 bar
35 bar
0 … 1 bar
35 bar
0 … 1.6 bar
50 bar
0 … 2.5 bar
50 bar
0 … 4 bar
65 bar
0 … 6 bar
90 bar
0 … 10 bar
90 bar
0 … 16 bar
130 bar
0 … 25 bar
130 bar
Absolute pressure
0 … 1.6 bar
50 bar
