Emerson 3-9000-771A User Manual

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Securing the meter
Section 3: Electrical installation
Daniel 3818 LNG Liquid Ultrasonic Meter Installation Manual
May 2012
3-9000-771 Rev A
3.6.8
Securing the meter
Security seals protect the integrity of the meter metrology and prevent tampering with 
transducer assemblies. The following sections detail how to properly seal the Daniel 3818 LNG 
Liquid Ultrasonic Flow Meter after commissioning. The security seal wires are commercially 
available.
Be sure to set the WRITE PROT. switch on the CPU Module to the  ON position prior to sealing the 
enclosure.
Sealing the Transmitter Electronics Enclosure
Use the following instructions to install the security seal wires on the Transmitter Electronics 
Enclosures.  
Figure 3-8  Transmitter electronic enclosure security latch 
A.
A.  Transmitter Electronics Enclosure end cap
B.  Security latch 
B.