Tokyo Keiso FS Spring Displacer Level Transmitter

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

Min. 0 to 300mm

Max. 0 to 3000mm

Temperature   range

Std.: -10 to +150ºC

Low temp. version: -40 to -11ºC With radiation fin

High temp. version: +151 to +350ºC With radiation fin

Pressure 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 flange

Measuring range more than 1000mm: 3B   flange

Tank top bolt-on internal chamber

Measuring range up to 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

4 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: Explosion 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

-

FS-

Always FS-

Function

110

Local indication

115

+Alarm contact   (a)

313

+Pneumatic output

512

+Electric output

517

Electric + contact (s)

Construction

W-

Weather proof

E-

Flameproof

S-

Intrinsically   safe

Chamber   construction

1-

Without chamber

2-

Welding type internal chamber

3-

Bolt-on internal chamber

4-

Insertion type internal chamber

5-

Side-side external chamber

6-

Side-bottom external chamber

9-

Special design

Spring

6

SUS316

C

UNS N10276

E

Inconel

9

Others

Displacer

4

SUS304

6

SUS316

L

SUS316L

9

Others

Upper flange

S

Carbon steel

4

SUS304

6

SUS316

L

SUS316L

9

Others

Chamber

S-

Carbon steel

4-

SUS304

6-

SUS316

L-

SUS316L

9-

Others

1-

Without chamber

Function

1

Liquid level

2

Interface

Process flange Size

3

3” flange

4

4” flange

5

5” flange

6

1-1/2” flange

9

Others

Process flange rating

1-

JIS 10K

2-

JIS 20K

3-

ANSI#150

4-

ANSI#300

5-

JPI#150

6-

JPI#300

9-

Others

Output signal

0

Nil

1

1 point

2

2 points

3

3 points

4

4 points

5

5 points

6

6 points

7

20 to 100 kpa=0   to 100%

8

0.2 to 1.0 bar G=0   to 100%

A

4 to 20 mA DC=0 to100%

Z

Others

Entry

1-

Rc(=PT)

2-

NPT

3-

G(=PF)

4-

NPT

9-

Others

Measuring range

1-

300mm

2-

500mm

3-

800mm

4-

1000mm

5-

1200mm

6-

1500mm

7-

1800mm

8-

2000mm

9-

2500mm

A-

3000mm

Z-

Order made