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Instrument
Level Measurement > FS Series

FS Series

FS Series

FS Series

General

FS series detects and indicates liquid level by spring balanced displacer.
Along with local level indication by pointer dial, alarm contacts, pneumatic output or electiric outout can be provided for versatile application.
FS series is very suitable for high temperature and high pressure applications thanks to perfect isolation from pressurized part by magnetic coupling.

Features

·  Applicable for High temp. and High press.(vacuum)
·  Beside normal liquid level measurement, two liquid interface and
liquid density measurement is possible
·  Wide variation of material selection for corrosive liquids

Short Specifications

Measuring theory Spring Balanced, Displacement
Measuring object Liquid (Viscosity: Max. 600 mPa·s. Liquid without sticking, crystallization, or freezing)
Level measurement: Standard range 0.7 to 1.3 g/cm3
Interface measurement: Density difference Min. 0.2g/cm3
*Other density range available on request. However, size of connection flanges
may differ from standard sizes.
Measuring range Max. 0 to 3000mm
Min. 0 to 300mm
Temp. range Std.: -10 to +150°C
Low temp. version: -40 to -11°C With radiation fin
High temp. version: +151 to +350°C With radiation fin
Press. range Low press. version: Max. 1MPa
Medium press. Version: Max. 2MPa
High press. version: Max. 9.8MPa
Material construction
Spring: SUS316, MA276, others
Displacer: SUS304, SUS316, SUS316L, MA276, PVC, others
Upper flange:  Carbon steel, SUS304, SUS316, SUS316L, MA276 covered, others
Chamber: Carbon steel, SUS304, SUS316, SUS316L, others
Process connection
Tank top without chamber  
         Measuring range upto 1000mm: 4B flange
  Measuring range more than 1000mm: 3B flange
Tank top bolt-on internal chamber  
  Measuring range upto 1000mm: 5B flange
  Measuring range more than 1000mm: 4B flange
Tank side external chamber: 1-1/2B flange
Indication accuracy ±1.5% F.S. (Based on mass conversion correction at factory calibration)
Output With alarm contact: Max. 6 point(SPDT), Set point accuracy: ±1%F.S.
With electric transmitter: DC 4 - 20mA, Output accuracy: ±1%F.S.
With pneumatic transmitter: 20 - 100kPa, Output accuracy: ±1%F.S.
Construction
  W: Weather proof E: Explossion proof
FS-110□: Local indication IP54 equivalent - -
FS-115□: Local indication
                   +Alarm contact
IP54 equivalent d2G4
FS-313□: Local indication
                   +Pneumatic output
IP54 equivalent - -
FS-512□: Local indication
                   +Electric output
IP54 equivalent Ex d llB T4
FS-517□: Local indication
                   +Electric output
                   +Alarm contact
IP54 equivalent - -

Catalog Download

For further details, refer to the attached PDF file for the Catalog to download.

FS Series Catalog PDF

Specifications are subject to change without prior notice.

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