Omega Products FP-5070 Installation Manual

User’s Guide

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FP-5070 Series Flow Sensors

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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
Directives. OMEGA will add the CE mark to every appropriate device upon certification.

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.

OMEGA FP-5070 Series Flow Sensors

OMEGA FP-5070 Series Flow Sensors

SAFETY INSTRUCTIONS

1. Do not remove from pressurized lines.

2. Confirm chemical compatibility before use.

3. Do not exceed maximum temperature/pressure specifications.

4. Wear safety goggles or faceshield during installation/service.

5. Do not alter product construction.

6. Failure to follow safety instructions could result in severe personal injury.

1. Description

The FP-5070 series Mini Flow Sensors contain a free-running
rotor which is driven by the fluid flow. Within the given
measurement range, the rotational speed of the rotor is
proportional to the fluid flow rate. Permanent magnets built into
the rotor actuate an electronic switch in the top of the sensor
generating a square-wave output signal proportional to flow rate.
Both opaque and transparent fluids can be measured from 0.2 to

20.0 centistokes.

Wetted sensor parts are constructed of PVDF and FPM, making
the sensor suitable for use with most process fluids, including
most acids, bases, light oils, and solvents.

2. Specifications

General

Flow Range:

• -2V sensor: 400 to 2800 mL/m (0.105 to 0.740 U.S. gpm)

• -3V sensor: 700 to 4200 mL/m (0.185 to 1.123 U.S. gpm)

• -4V sensor: 1300 to 6000 mL/m (0.343 to 1.585 U.S. gpm)

• -6V sensor: 3200 to 12000 mL/m (0.845 to 3.170 U.S. gpm)
Linearity: ±0.25% of full range
Repeatability: ±0.25% of full range
Viscosity range: 0.2 to 20.0 centistokes
Pipe connections: G 1/4 in. ports, 1/4 in. NPT (male) pipe adapters

(2 included)
Cable length: Std: 7.6m (25 ft.), max.: 300 m (1000 ft.)
Cable type: 2-conductor shielded, twisted-pair, 22 AWG
Shipping Weight: 0.4 kg (0.8 lb.)

Pressure Drop:

Pressure Drop Across Sensor vs. Flow Rate

PSI

BAR

1.50

21.76

18.13

14.50

10.88

7.25

3.63

1.25

1.00

0.75

0.50

0.25

02040607080

Flow rate (%) of full scale

-2V

-3V

-4V

-6V

Cable plug

Upper body with
electronic switch

25 ft. cable

FLOW

1

/4 in.

G
port threads

Lower body with

built-in rotor

Pipe fitting adapter

1

/4 x 1/4 in. NPT

G
(2 included)

WARNING!

Polar organic solvents (i.e., ketones and chlorinated
hydrocarbons) and aromatic hydrocarbons are not
compatible with this sensor.

Wetted Materials

• Housing: PVDF

• Flow insert: PTFE

• Quad ring seal: FPM

• Rotor: PVDF

• Pipe thread adapters: PVDF

• Suitable for clean fluids only

Electrical

Power: 5 to 24 VDC @ 10 mA max.
Output type: Open-collector transistor, 10 mA max.

sink

Max. pressure/temperature:

• 5.5 bar @ -30°C (80 psi @ -22°F)

• 5.5 bar @ 24°C (80 psi @ 75°F)

•3 bar @ 120°C (45 psi @ 248°F)

psibar
100

6.9

80

5.5

60

4.

1

40

2.8

20

1.4

0

-40 0 40 80 120 160 200 240 280

-40 -18 4 27 49 71 93 116 138

°F

°C

OMEGA FP-5070 Series Flow Sensors

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