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■ Operating principle
Magnetic float type level switches detect the liquid level and send out contact
signals of micro switch by ON-OFF action. A magnetic action between two magnet
fully separated by each partition wall is utilized. One is built in another
end of the float and the other is attached on the switch unit in the housing.
■ Features
- Fully sealed
- The switch unit is completely separated from the parts inserted within the
tank by non-magnetic diaphragm
- Reliable
- Designed compact, it has a large contact rating of 250VAC, 5Amp. And is
subject to no troubles.
- Easy maintenance
- Simply designed switch unit for easy maintenance.
- Durable float
- Argon Gas welded stainless steel floats are durable for pressure and temperauture.
■ Application
Magnetic float type level switches are widely used for Heavy fuel oil tanks, setting
tanks, Sludge tanks, Sewage tanks, Fresh water tanks, Lub. Oil tanks, D.O tanks
and others.
■ Model Number Code System
■ Standard model and specification
|
Model
|
Application
|
Max.
Pressure
(kg/cm2)
|
Max.
Temperature
(°C)
|
Switch
contact
rating
|
Min.
sp.Gr
|
Cable
entry
|
Material
|
|
Float
|
Flange
|
Switch body
|
|
FMS-□H-W□
|
General liquid
|
10
|
180
|
250AC,5A
|
0.65
|
15b
(PF1/2")
|
SUS304
|
ALBC2
|
ALBC2
|
|
FMS-□HD-W□
|
Widely Differential
|
10
|
180
|
250AC,5A
|
0.8
|
15b
(PF1/2")
|
SUS304
|
ALBC2
|
ALBC2
|
|
FMS-□HS-W□
|
Lowest sensing
|
10
|
180
|
250AC,5A
|
0.75
|
15b
(PF1/2")
|
SUS304
|
ALBC2
|
ALBC2
|
|
FMS-□□H-E□
|
Hazardous area
|
10
|
180
|
250AC,5A
|
0.65
|
15b
(PF1/2")
|
SUS304
|
ALBC2
|
ALBC2
|
|
FMS-3H-WSR
|
General liquid
|
10
|
120
|
250AC,0.5A
|
0.65
|
15b
(PF1/2")
|
SUS304
|
SS41
|
SS41
|
■ Optional informations
- Material (SUS 304, SUS316) for wet parts including float and flange is
also available on request.
- Cable entry of 3/4" (JIS F 20 a, b, or C) is also available on request.
- Flanges of larger nominal diameter than the the standard ones are also available
on request.
- Non-explosion proof models can be used as intrinsically safe type joined
with I.S barrier.
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