TABLE OF CONTENTS
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E N G L I S H
IMPORTANT NOTICE
Use these meters with water and other chemi-
cals compatible with wetted components (see
Specifications Section). Do not use to meter
fuel or incompatible chemicals. Omega meters
are available with either a computer for local
electronic display, or a conditioned signal output
module to provide a digital signal to customer
interfacing equipment. Omega meters with
computer display measure in gallons or litres.
Refer to the Calibration Section for details.
These meters are not legal for trade applica-
tions.
Omega meters are very sensitive to electric
noise if operated within 1 to 2 inches of some
electric motors or other sources of electronic
noise.
INSTALLATION
Connections
Install your meter in-line either horizontally or
vertically or at the end of the hose adjacent to
the nozzle. Installation to metal connections is
not recommended. Install as follows:
1. Plan to install turbine with a minimum
straight pipe length as follows:
• Upstream from the turbine, allow a mini-
mum straight pipe length of 10 times the
internal diameter of the turbine.
• Downstream from the turbine, allow a
minimum straight pipe length of 5 times
the internal diameter of the turbine.
2. For NPT Fittings wrap all connections with
3 to 4 wraps of thread tape. Make sure the
tape does not intrude into the flow path.
3. Attach meter with arrow pointed in the
direction of flow.
4. For NPT Fittings - Hand tighten the meter
at the housing ends. Do not use a wrench
or similar tool to tighten. This can damage
the housing.
5. For Flange Fittings - Customer to provide:
• Ring Gaskets or Full-Face Gaskets ap-
proved for use with ANSI flanges and the
fluid being monitored (2 required).
• 5/8" bolts and nuts: 4 per side for 3-inch
meters; 8 per side for 4-inch meters.
Torque bolts using a star pattern to 25 ft-lbs.
Supplied flanges are two-piece and allow
the meter to be oriented regardless of the
mating flanges position.
Conditioned Signal Output
Module Wiring
This conditioned signal output module can be
wired to provide an open collector signal output
or 6-volt square wave output.
Open Collector Signal Output
To achieve an open collector signal output,
reference Wiring Diagram 1. The terminal block
is located on the back side of the module. The
module is factory assembled for open collec-
tor signal output. Please provide the (820 ohm
minimum) resistor.
Ten feet (3 m) of cable is provided with the
module. Trim it to desired length or extend it as
necessary. Distances up to 5,000 feet (1,524 m)
can be achieved for open collector signal output.
Square Wave Output
To achieve square wave output, reference
Wiring Diagram 2 and use an Electronic Digital
Meter Battery Kit (sold separately) for battery
power. The terminal block and battery location
are located on the back side of the module.
Access as follows:
1. Remove the four Phillips-head screws from
the front of the module and lift the module
from the turbine.
1