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| Optical
Level Switches: single-point liquid level detection switches for use in non-coating liquids |
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| Features: |
| • |
Accurate, repeatable switching point detection with no moving parts |
| • |
Can be mounted with limited space required |
| • |
Easy to install |
| • |
Reverse polarity, over voltage, short circuit and transient protected |
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O
Series
Optical Liquid Level Detection Switches
Madison Company offers an extensive line of standard optical single-point liquid level detection switches for use in non-coating liquids. Click here for an overview of the entire Optical switch line.
These compact optical switches incorporate a phototransistor that provides a digital output indicating the presence or absence of liquid. The sensor tip houses the phototransistor in a form that provides highly reliable and repeatable performance in compact designs.
Housings are offered in both metal and plastic with various mounting configurations. When you choose from the extensive list of our standard part numbers, Madison can provide you with a very cost-effective solution to those level indication applications where high reliability, ease of installation and maintenance-free performance are desired.
Please click here for the O Series Specification Sheet. This sheet can be used to define your unique optical switch requirements and application needs. By sending this to Madison Company, a custom-engineered design may be quoted.
| Models
Available (click
for details): |
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| Standard LLE Series Optical Switches |
| MODEL |
DWG.
NO. |
OPERATION MODE |
MOUNTING |
HOUSING
MATL. |
OPERATING
TEMP. |
SUPPLY
VOLTAGE |
TERMINATION TYPE |
| OPT4290-1 |
O-1 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4290-2 |
O-1 |
Digital output; high in air |
From outside |
PSU |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4291-1 |
O-2 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4291-2 |
O-2 |
Digital output; high in air |
From outside |
PSU |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4292-1 |
O-3 |
Digital output; high in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4292-2 |
O-3 |
Digital output; high in air |
From inside |
PSU |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4293-1 |
O-4 |
Digital output; high in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4293-2 |
O-4 |
Digital output; high in air |
From inside |
PSU |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 250mm |
| OPT4294-1 |
O-5 |
Digital output; high in air |
From outside |
Brassa |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 250mm |
|
| PSU=Polysulfone |
* Repeatability of all LLE, POS and LLHP Series Optical Switches is ±1mm. Hysteresis is 1mm (dependent on liquid).
All LLE Series Optical Switches have reverse polarity protection.
a Nickel-plated brass |
|
| Standard High-Reliability POS Series Optical Switches |
| MODEL |
DWG.
NO. |
OPERATION MODE |
MOUNTING |
HOUSING
MATL. |
OPERATING
TEMP. |
SUPPLY
VOLTAGE |
TERMINATION TYPE |
| OPT4295-1 |
O-6 |
NPN N.O.; high in air |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4295-2 |
O-6 |
NPN N.C.; low in air outside |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4295-3 |
O-6 |
PNP N.O.; low in air outside |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4295-4 |
O-6 |
PNP N.C.; high in air outside |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4296-1 |
O-7 |
NPN N.O.; high in air |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
M12 connector |
| OPT4296-2 |
O-7 |
NPN N.C.; low in air outside |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
M12 connector |
| OPT4296-3 |
O-7 |
PNP N.O.; low in air outside |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
M12 connector |
| OPT4296-4 |
O-7 |
PNP N.C.; high in air outside |
From outside |
SS |
-25°C to 100°C* |
12 to 28 VDC |
M12 connector |
| OPT4297-1 |
O-8 |
NPN N.O.; high in air |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4297-2 |
O-8 |
NPN N.C.; low in air outside |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4297-3 |
O-8 |
PNP N.O.; low in air outside |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4297-4 |
O-8 |
PNP N.C.; high in air outside |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
Cable PUR 3x0.25mm sq; 2m long |
| OPT4298-1 |
O-9 |
NPN N.O.; high in air |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
M12 connector |
| OPT4298-2 |
O-9 |
NPN N.C.; low in air outside |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
M12 connector |
| OPT4298-3 |
O-9 |
PNP N.O.; low in air outside |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
M12 connector |
| OPT4298-4 |
O-9 |
PNP N.C.; high in air outside |
From outside |
SS |
-25°C to 140°C* |
12 to 28 VDC |
M12 connector |
|
| SS=Stainless Steel |
Repeatability of all POS Optical Switches is ±1mm. Hysteresis is 1mm (dependent on liquid).
All POS Series Optical Switches have reverse polarity protection.
POS Series is *not* available with NPT threads.
POS Series Switches are CE approved.
* Sensing tip only |
|
| Standard High-Performance LLHP Series Optical Switches |
| MODEL |
DWG.
NO. |
OPERATION MODE |
MOUNTING |
HOUSING
MATL. |
OPERATING
TEMP. |
SUPPLY
VOLTAGE |
TERMINATION TYPE |
| OPT4299-1 |
O-10 |
NPN N.O.; high in air |
From outside |
PSU |
-25°C to 80°C |
10 to 40 VDC |
Lead wires, 200mm |
| OPT4299-2 |
O-10 |
NPN N.C.; low in air |
From outside |
PSU |
-25°C to 80°C |
10 to 40 VDC |
Lead wires, 200mm |
| OPT4299-3 |
O-10 |
PNP N.O.; low in air |
From outside |
PSU |
-25°C to 80°C |
10 to 40 VDC |
Lead wires, 200mm |
| OPT4299-4 |
O-10 |
PNP N.C.; high in air |
From outside |
PSU |
-25°C to 80°C |
10 to 40 VDC |
Lead wires, 200mm |
| OPT4300-1 |
O-11 |
Digital output; high in air |
From outside |
SS |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-2 |
O-11 |
Digital output; high in air |
From outside |
SS |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-3 |
O-11 |
Push-pull; high in air |
From outside |
SS |
-25°C to 80°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-4 |
O-11 |
Push-pull; high in air |
From outside |
SS |
-40°C to 125°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-5 |
O-11 |
Digital output; high in air |
From outside |
Brass |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-6 |
O-11 |
Digital output; high in air |
From outside |
Brass |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-7 |
O-11 |
Push-pull; high in air |
From outside |
Brass |
-25°C to 80°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-8 |
O-11 |
Push-pull; high in air |
From outside |
Brass |
-40°C to 125°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-9 |
O-11 |
Digital output; high in air |
From outside |
SS |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-10 |
O-11 |
Digital output; high in air |
From outside |
SS |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-11 |
O-11 |
Push-pull; high in air |
From outside |
SS |
-25°C to 80°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-12 |
O-11 |
Push-pull; high in air |
From outside |
SS |
-40°C to 125°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-13 |
O-11 |
Digital output; high in air |
From outside |
Brass |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-14 |
O-11 |
Digital output; high in air |
From outside |
Brass |
-40°C to 125°C |
5 to 12 VDC |
Lead wires, 150mm |
| OPT4300-15 |
O-11 |
Push-pull; high in air |
From outside |
Brass |
-25°C to 80°C |
10 to 40 VDC |
Cable, 1m |
| OPT4300-16 |
O-11 |
Push-pull; high in air |
From outside |
Brass |
-40°C to 125°C |
10 to 40 VDC |
Cable, 1m |
|
| PSU=Polysulfone; SS=Stainless Steel |
Repeatability of all LLHP Optical Switches is ±1mm. Hysteresis is 1mm (dependent on liquid).
All LLHP Series Optical Switches have reverse polarity protection. |
|
| Standard LLN Series Optical Switches |
| MODEL |
DWG.
NO. |
OPERATION MODE |
MOUNTING |
HOUSING
MATL. |
OPERATING
TEMP. |
SUPPLY
VOLTAGE |
TERMINATION TYPE |
| OPT4301-1 |
O-12 |
NPN N.O.; high in air |
From outside |
SS |
-40°C to 125°C |
10 to 40 VDC |
M12 Connector, 3-pin |
| OPT4301-2 |
O-12 |
NPN N.C.; low in air |
From outside |
SS |
-40°C to 125°C |
10 to 40 VDC |
M12 Connector, 3-pin |
|
| PSU=Polysulfone; SS=Stainless Steel |
Repeatability of all LLN Optical Switches is ±1mm. Hysteresis is 1mm (dependent on liquid).
All LLN Series Optical Switches have reverse polarity protection. They are *not* available with NPT threads. |
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| Standard LLC Series Optical Switches |
| MODEL |
DWG.
NO. |
OPERATION MODE |
MOUNTING |
HOUSING
MATL. |
OPERATING
TEMP. |
SUPPLY
VOLTAGE |
TERMINATION TYPE |
| OPT4302-1** |
O-13 |
User’s application specific |
From inside |
PSU |
-20°C to 60°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4302-2** |
O-13 |
User’s application specific |
From inside |
PSU |
-20°C to 60°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4303-1** |
O-14 |
User’s application specific |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4303-2** |
O-14 |
User’s application specific |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4303-3* |
O-14 |
Digital output; high in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4303-4* |
O-14 |
Digital output; high in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4303-5* |
O-14 |
Digital output; low in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4303-6* |
O-14 |
Digital output; low in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4304-1** |
O-15 |
User’s application specific |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4304-2** |
O-15 |
User’s application specific |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4304-3* |
O-15 |
Digital output; high in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4304-4* |
O-15 |
Digital output; high in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4304-5* |
O-15 |
Digital output; low in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4304-6* |
O-15 |
Digital output; low in air |
From inside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-1** |
O-16 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-2** |
O-16 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-3* |
O-16 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-4* |
O-16 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-5* |
O-16 |
Digital output; low in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-6* |
O-16 |
Digital output; low in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4305-7** |
O-16 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4305-8** |
O-16 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4305-9* |
O-16 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4305-10* |
O-16 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4305-11* |
O-16 |
Digital output; low in air |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4305-12* |
O-16 |
Digital output; low in air |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4306-1** |
O-17 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4306-2** |
O-17 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4306-3* |
O-17 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4306-4* |
O-17 |
Digital output; high in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4306-5* |
O-17 |
Digital output; low in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4306-6* |
O-17 |
Digital output; low in air |
From outside |
PSU |
-25°C to 80°C |
5 to 12 VDC |
Lead wires, 200mm |
| OPT4306-7** |
O-17 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
| OPT4306-8** |
O-17 |
User’s application specific |
From outside |
PSU |
-25°C to 80°C |
24 VDC |
Lead wires, 200mm |
|
| PSU=Polysulfone |
Repeatability of all LLC Optical Switches is ±1mm. Hysteresis is 2mm (dependent on liquid).
* Model has reverse polarity protection
** Model does not have reverse polarity protection |
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