WHESSOE S.A
WHESSOE S.A. - Detection & Measurement Systems
WHESSOE S.A. - Detection & Measurement Systems
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<strong>WHESSOE</strong> S.A.<br />
The Total LNG<br />
Storage Tank Solution<br />
Whessoe S.A.
The Ultimate LNG Storage Tank<br />
Instrumentation System<br />
Whessoe S.A.
Your Specialist Partner For…<br />
Storage tank instrumentation<br />
Control & data handling platforms<br />
Storage optimization software<br />
Whessoe S.A.
Total LNG Tank Instrumentation<br />
Solution<br />
Whessoe S.A.
All LNG Tank Instrumentation Supplied<br />
From A Single Source<br />
• Redundant servo level gauges<br />
• High/high level alarm gauge<br />
• LTD gauge<br />
• Product spot temperature sensing<br />
elements<br />
• Temperature element transmitters<br />
• Data handling / control software<br />
• LNG tank management software<br />
Whessoe S.A.
A Total System To Perform…<br />
Overall storage process safety<br />
Stratification management<br />
Volume and mass calculation<br />
Total site inventory management<br />
By measurement of:<br />
• Density<br />
• Level<br />
• Temperatures<br />
• Alarm conditions<br />
Whessoe S.A.
Total System Schematic Diagram<br />
OPERATING CONDITIONS<br />
(PRESSURE, LNG CONTENTS,<br />
FILLING AND EMPTYING RATE ...)<br />
1146 LTD<br />
Servo Gauge<br />
LNG<br />
Master<br />
4<br />
1 2<br />
A<br />
2<br />
LNG<br />
MANAGER<br />
B<br />
3<br />
C<br />
5<br />
Whessoe S.A.
LNG Master ®<br />
Note!<br />
The differences in temp. and density of both layers,<br />
trigger a rollover<br />
Whessoe S.A.
Specifications<br />
Data Points<br />
• No. of Data Points<br />
• Minimum Interval<br />
Density Measurement<br />
• Sensitivity ±0.1 kg/m 3<br />
• Repeatability ±0.1 kg/m 3<br />
• Accuracy ±0.5 kg/m 3<br />
Level Measurement<br />
• Range<br />
• Sensitivity<br />
• Repeatability<br />
• Accuracy<br />
Temperature Measurement<br />
• Sensitivity ±0.01 °C<br />
• Accuracy ±0.5 °C<br />
250 points on selectable range<br />
(for more points consult factory)<br />
50 mm<br />
0 - 65 meters (consult factory for<br />
higher range)<br />
±1 mm<br />
±1 mm<br />
±2 mm at full travel<br />
Whessoe S.A.
Specifications<br />
Continued<br />
Display<br />
8 alphanumeric<br />
Eng. Units<br />
Selectable (Metric, Imperial)<br />
Mounting<br />
Tank top<br />
Range<br />
0 - 65 meters<br />
(higher range possible, consult factory)<br />
Pressure<br />
Up to 0.25 bar<br />
Range Density 400 - 1000 kg/m 3<br />
Power supply<br />
110/220 Vac, 50 w<br />
Approvals Flameproof, Cenelec en 50018<br />
I.S. Cenelec 50020<br />
Transmission<br />
Whessmatic 660/RS 485/20 ma loop<br />
Option<br />
2nd Fieldbus, RS 485/20 ma loop<br />
Whessoe S.A.
<strong>WHESSOE</strong> S.A.<br />
The Power of Know-How<br />
Whessoe S.A.
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