Proservo
Hauser
19
Performance characteristics
Accuracy
Compensation
Wire
Compensation of wire expansion due to temperature and wire weight
Displacer
Automatic compensation of displacer weight
Tank wall
Compensation of depression and distortion
Ambient condition
Ambient temperature
-20... +60
o
C
-40... +60
o
C ( ATEX approval)
Liquid temperature
-200... +200
o
C
Protection
IP 67 with closed housing and cable glands of equal protection type.... (ATEX/TIIS)
NEMA 4X...(FM/CSA)
Liquid level
+/-0.7 mm for L=10 m, D=1 g/cm
3
with 50 mm displacer
Interface level
+/-2.7 mm for L=10m,
Δ
D=0.2 g/cm
3
with 50 mm displacer
Δ
D
=0.1 g/
cm
3
difference between densities of 2 liquids
Spot & profile density
+/-5kg/m
3
or better, (at reference condition)
Tank bottom
+/-2.1 mm (independent from liquid condition)
