Seametrics AG1000 - Manual (Page 4)

Page 2
INSTAllATION AND ElECTRICAl CONNECTIONS
Caution: These flow sensors are not
recommended for installation where
temperature exceeds 120°F.
Positioning the Meter. These are all-position meters,
meaning that they can be installed horizontally, vertically,
and in any radial position. If there is potentially a problem
with sludge accumulation, vertical or horizontal with the
register up may be preferred. See recommendations on
pages 3 and 4.
Piping Conditions. As with most flow meters, the AG1000
requires some straight pipe before and/or after the meter for
best accuracy. However, the tendency of electromagnetic
meters to average the flow across the entire pipe allows
for shorter straight pipe recommendations than most
mechanical meters. Follow the guidelines on page 3 for
the type of installation that best matches yours.
Although the meter is designed with an empty pipe
detection feature, it requires that one or more electrodes
be exposed. An installation in which the pipe is nearly but
not quite full will cause reading errors. Be sure that the
piping is configured to ensure that the pipe is full when
there is flow. See diagrams on page 4 for examples of
recommended installations.
The AG1000 is available with either grooved or flanged
ends. Flanges have standard ANSI 150 lb drilling, and
should match up with any other ANSI 150 lb flange.
Electrical Connections. A current source of some kind at
12 to 24 VDC must be connected to the meter. If needed for
remote reading, logging or telemetry, the pulse output can
also be connected. See the Connections diagram on page
5 for guidance. It shows the color coding of the pre-installed
power/pulse output cable. If it is necessary to replace this
cable, for instance to install a longer one, see the drawings
for proper installation of the cable into the connector.
Electrical Noise Immunity. For best results, connect
grounds and cable shielding as shown in the diagram on
page 5, and install the included ferrite beads by snapping
them onto the outside of the cable.
INSTAllATION ElECTRICAl CONNECTION
Caution: There are no connections inside
the display. Breaking the seal wire will
VOID WARRANTY.