FLS ULF ULTRA LOW FLOW SENSOR


The FLS compact Ultra Low Flow sensors ULF have been for use with every kind of aggressive and solid-free liquids. The sensor can be fixed to flexible or rigid pipes via 1/4” GAS threaded process connections. The paddlewheel sensor produces a frequency output proportional to the flow velocity that can be easily transmitted and processed. The ULF sensor offers two different flow ranges starting from 1.5 or 6 l/h (0.0066 or 0.0264 gpm). The construction materials, POM or ECTFE (Halar®), provide high strength and chemical resistance.

Description

MAIN FEATURES

  • POM or ECTFE (Halar®) wetted parts
  • Two flow ranges available:
    - 1.5 - 100 l/h (0.0066 - 0.44 gpm)
    - 6 - 250 l/h (0.0264 - 1.1 gpm)
  • High chemical resistance
  • Easy mounting

APPLICATIONS

  • Water treatment
  • Chemical industry
  • Pharmaceutical industry
  • Dosing systems
  • Laboratory plants

TECHNICAL DATA

General

  • Flow Rate Range:
    - ULF01 version: 1.5 to 100 l/h (0.0066 to 0.44 gpm)
    - ULF03 version: 6 to 250 l/h (0.0264 to 1.1 gpm)
  • Linearity: ± 1 % of full scale
  • Repeatability: ± 0.5 % of full scale
  • Working Temperature: -10°C to 80°C (14°F to 176°F)
  • Working Pressure: 5 bar (70 psi) max @ 22°C (72°F)
  • Viscosity of fluid: 1 to 10 cST
  • Enclosure: IP65
  • Wetted materials:
    - POM version:
  • sensor body: POM
  • o-ring: FPM
  • rotor: POM
  • shaft: corepoint
  • magnets: SmCo5
    - ECTFE version:
  • sensor Body: ECTFE(Halar®) o-ring: FPM or KALREZ rotor: ECTFE (Halar®) shaft: Sapphire bearings: Sapphire
  • Connections: 1/4” GAS male threaded
  • Cable length: 2 m (6.5 ft) standard


Specific for ULF01.H I ULF03.H

  • Supply voltage: 5 to 24 VDC ±10%, regulated
  • Supply current: < 15 mA @ 24 VDC
  • Output signal: square wave
  • K-factor:
    - ULF01 version: 8431 Pulses/Liter (31569 Pulses/U.S. Gallon) in linear range from 8 to 100 l/h
    - ULF03 version: 3394 Pulses/Liter (12846 Pulses/U.S. Gallon) in linear range from 15 to 250 l/h

Specific for ULF01.R I ULF03.R 

  • Supply voltage: none
  • Output signal: square wave
  • Output type: Reed Contact
  • K-factor:
    - ULF01 version: 2108 Pulses/Liter (7978 Pulses/U.S. Gallon) in linear range from 8 to 100 l/h
    - ULF03 version: 848 Pulses/Liter (3210 Pulses/U.S. Gallon) in linear range from 15 to 250 l/h

Standards & Approvals

  • • Manufactured under ISO 9001
  • • Manufactured under ISO 14001
  • • CE
  • • RoHS Compliant
  • • GOST R

Specifications

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