Japan, Tokyo Keiso
Tokyo Keiso FS Series Displacement Level Transmitter / Gauge
Made in Japan
Manufacturer: Tokyo Keiso
Model: FS Series
FS series detects and indicates liquid level by spring balanced displacer. Along with local level indication by pointer dial, alarm contacts, pneumatic output or electric output can be provided for versatile application.
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
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: Contact us for details |
| Material construction | Spring: SUS316, UNS N10276, others
Displacer: SUS304, SUS316, SUS316L, others Upper flange: Carbon steel, SUS304, SUS316, SUS316L, others Chamber: Carbon steel, SUS304, SUS316, SUS316L, others |
| Process connection | Tank top without chamber Measuring range up to 1000mm: 4B flangeMeasuring range more than 1000mm: 3B flangeTank top bolt-on internal chamber Measuring range up to 1000mm: 5B flange Measuring range more than 1000mm: 4B flange Tank side external chamber |
| 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 | FS-110W：Local indication / general type (IP54 equivalent)
FS-115W：Local indication+ Alarm contact / general type (IP54 equivalent) FS-115E：Local indication+ Alarm contact / Explosion proof (d2G4) FS-313W：Pneumatic output / general type (IP54 equivalent) FS-512W：Electric output / general type (IP54 equivalent) FS-512E：Electric output / Explosion proof (Exd II BT4) FS-517W：Local indication+ Electric output+ Alarm contact / general type (IP54 equivalent) |
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