Liquid Level Measurement - Vented Tank; Figure 41 Typical Piping Arrangement For Liquid Level Measurement With Dp Type Transmitter And Vented Tank - Honeywell ST 3000 User Manual

7.6

Liquid Level Measurement - Vented Tank

Procedure
Figure 41 Typical Piping Arrangement for Liquid Level Measurement with DP Type
Tap location at
the minimum level
to be measured
ATTENTION
134 ST 3000 Release 300 and SFC Model STS103 User's Manual
The procedure in Table 41 outlines the steps for starting up a differential
pressure (DP) type transmitter in a liquid level measurement application
for a vented tank with a dry reference leg. Refer to Figure 41 for the
piping arrangement identification and Figure 38 for typical SFC and
meter connections.
Transmitter and Vented Tank
H
For the procedure in Table 41, we are assuming that the tank is empty
and the piping arrangement includes a block-off valve.
Valve A
Plug C
To HP connection
on meter body
Differential
Pressure
Transmitter
LP Vent
Continued on next page
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