Emerson 3-9000-771A User Manual

Page of 124
Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual
Section 1: Introduction
3-9000-771 Rev A
May 2012
Section 1: Introduction
 1
Section 1: Introduction
Daniel 3818 LNG Liquid Ultrasonic Flow Meters have various configurations that meet a broad 
range of customer requirements.  Each meter comes fully assembled from Daniel
TM
 
Measurement and Control, Inc. and all parts and assemblies are tested prior to shipment.
Refer to the following documents for additional details:
P/N 3-9000-762 HART® Field Device Specification Guide Liquid Ultrasonic Meter
P/N 3-9000-772 Daniel 3818 LNG Liquid Ultrasonic Flow Meter Maintenance and 
Troubleshooting Manual
1.1
Typical  Applications
Custody transfer measurement
Allocation measurement
LNG applications
-
LNG liquefaction to storage (loading terminals)
-
LNG liquefaction  loading (loading terminal)
-
LNG receiving to storage (receipt terminal)
-
LNG storage to regasification (receipt terminal)
1.2
Features and benefits:
Two remote mountable explosion-proof transmitter electronics enclosures with CPU 
Module, Power Supply, Intrinsic Safety Barrier Module and Backplane
Two remote mountable intrinsically safe transmitter electronics enclosures  with the 
Acquisition Module
Transducer housings seal-welded to meter body to eliminate leak potential
Meter body insulated and shroud assembly covering transducers and cabling
HART®
 
and AMS
 
Suite: Intelligent Device Manager communications for PlantWeb
TM
 
architecture
Suitable for measuring process fluid temperature ranges from -196
  o
C (-321 
o
F)  
to  +60 
o
C (140 
 o
F)
Reduce unaccounted measurement
Extensive self diagnostics
Immediate alarm reporting
Auto-detected ASCII/RTU Modbus communications protocol