Sealing The Meter; Sealing The Transmitter Electronics Enclosure; Figure 3-29 Transmitter Electronics Enclosure Security Latch - Emerson Daniel 3818 Maintenance And Troubleshooting Manual

Section 3: Meter maintenance
January 2018
3.6

Sealing the meter

3.6.1

Sealing the transmitter electronics enclosure

Security seals protect the integrity of the meter metrology and prevent tampering with
electronics. 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. Use the following instructions to install the security seal wires on the Transmitter
Electronics Enclosure.

Figure 3-29 Transmitter electronics enclosure security latch

A.
B.
C.
A. Security latch
B. Transmitter Electronics Enclosure end cap
C. Hex head socket screws
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Maintenance and Troubleshooting Manual
3-9000-772 Rev B
Sealing the meter