Omega Products FL-2500 Installation Manual

FL-2500

Acrylic Flow Meters

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It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that
apply. OMEGA is constantly pursuing certification of its products to the European New Approach
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The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

INSTALLATION AND OPERATING INSTRUCTIONS FOR

FL-2500 ACRYLIC FLOW METERS

UNPACKING THE FL-2500 ACRYLIC FLOW METER

Inspect Package for External Damage Your FL-2500 Acrylic Flow Meter was carefully

packed in a sturdy cardboard carton, with anti-static cushioning materials to withstand ship­ping shock. Upon receipt, inspect the package for possible external damage. In case of
external damage to the package contact the shipping company immediately.

Unpack the FL-2500 Acrylic Flow Meter Open the carton carefully from the top and inspect
for any sign of concealed shipping damage. In addition to contacting the shipping carrier
please forward a copy of any damage report to Omega

®

.

When unpacking the instrument please make sure that you have all the items indicated on
the Packing List. Please report any shortages promptly.

SPECIFICATIONS

Accuracy: ± 5% of full scale reading.

Float Materials: Glass (black colored), 316 Stainless Steel (silver colored), Tungsten

Carbide (Carboloy- silver colored).

Fittings: Brass or 316 Stainless Steel.

O-Rings: FKM is standard, Buna , EPR are optionally available.

Valves: Built-in needle valves are available.

Maximum Service Temperature: 65°C (150°F).

Maximum Service Pressure: 700 kPA (100 psig).

Scales: Direct reading dual scales mounted interchangeably at rear of flow meter block.

Each scale has both metric and English system units displayed. Scales are mounted by
means of locating holes between the rear of the acrylic block and the yellow colored back­ing plate. Customers can easily exchange scales for different fluids, and flow rates. Extra
scales and flow meter kits are available.

Float Readings: At center of ball shaped floats.

INSTALLATION

Mounting: Flow meters are shipped ready for panel (rear) mounting, and are easily con-

vertible to partial or full “in-line” configurations (see diagram). To convert, exchange Plug
Seals and Female Adaptors correspondingly using a 5/32" hex wrench and a 1/2 open box
wrench. Panel or “in-line” mounting is through 11/16" diameter holes, using hex nuts sup­plied.

1

2

The following configurations are possible:

1) Panel Mounting, using hex nuts at rear of meter.

2) Full In-line Mounting (not available for meters with valve options.)

3) Partial In-line Mountings, i.e. inlet at bottom, outlet at top rear, or inlet at bottom
rear and outlet at top center.

TO EXCHANGE SCALES

No valve option

1) Using a 1/2" open box wrench or 5/16" hex wrench, remove rear fittings
(Female Adaptors for the panel mounting option or Plug Seals for the In-line
mounting option).

2) Remove Back Plate and Scale by sliding both to either side.

3) Holding the desired scale align its holes with those in the Back Plate. Slide
both behind the Bracket.

4) Insert but do not completely tighten fittings.

5) Recheck the Back Plate alignment.

6) Tighten fittings.

Valve option

1) Using a 1/2" open box wrench, remove top Female Adaptor.

2) Loosen the Valve Cartridge allowing the lower Female Adaptor to be
unscrewed. Do not remove Valve Cartridge from meter.

3) Remove Back Plate and Scale by sliding them to ether side.

4) Holding the desired scale align its holes with those in the Back Plate slide
them behind the Bracket.

5) Insert but do not completely tighten top Female Adaptor.

6) Insert but do not completely tighten lower Female Adaptor (it has an extra orifice
and an O-ring on it), while keeping the Valve Cartridge in place.

7) Screw Valve Cartridge into the lower Adaptor.

8) Recheck the Back Plate alignment.

9) Tighten Female Adaptors.

10) Tighten the Valve Cartridge. Do not over tighten it.

CLEANING

From time to time you may need to clean the meter. Disassembly has to be done in a clean
environment according to the following steps:

1) Unscrew the Plug Seal from the top of the unit with a 5/16" hex wrench.

2) Remove the Bumping Spring.

3) Flip the meter and let the spherical float fall out on to a clean surface. Float should
be handled with appropriate tweezers. Do not touch float with fingers. Store the
float in a clean box or bag free of grease.