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Installation and Maintenance

M4168 and M4169 Drum Level Sensors

English

Madison Company, Inc.

27 Business Park Drive

Branford, CT 06405

MADE IN THE USA

Made in the USA

203-488-4477  or  800-466-5383

[email protected]

www.madisonco.com

Sensing Solutions since 1959

General Information: 

M4168-x and M4169-x

• 

Available for high level signal, low level signal, or high 

and low level signals.

• 

Designed with liquid tight fittings, allowing for usage 

both indoors and outdoors.

• 

Optional alarm enclosures are available, see part 

number chart below.

• 

If a non-contact sensor is required for the application, 

please refer to Madison ultrasonic and radar level 

sensors at www.madisonco.com.

Installation Instructions: 

M4168-x and M4169-x

• 

Apply a suitable thread sealant to the threads.

• 

Tighten into 3/4” bung of drum, 1/2 turn beyond hand 

tight.

Electrical Specifications:

Alarm Enclosures: 

021-P00008

• 

Fixed mount design. Will be threaded onto the stem 

assembly during assembly.

• 

Can be wired for High Level, Low Level or both, see 

part number chart below.

• 

Standard design with LED’s for alarm. Audible piezos 

may be used in place of or in conjunction with LED’s.

• 

Top level part, M4168-x or M4169-x, must be ordered 

with this alarm, this can not be installed by the end 

user

021-P00009

• 

Remote mount design. Uses liquid tight fitting to 

secure cable to enclosure.

• 

Can be wired for High Level, Low Level or both, see 

part number chart below.

• 

Standard design with LED’s for alarm. Audible piezos 

may be used in place of or in conjunction with LED’s.

• 

Top level part, M4168-x or M4169-x, can be ordered 

with the alarm or the alarm can be ordered separately. 

This alarm enclosure can be installed by the end user.

© 2018 Madison Company, Inc., MAD_MAN_MF-027_060518

ECN #10900, Effective Date 08/2018, MF-027, Rev D

General Information:
M4168-x and M4169-x

Installation Instructions:
M4168-x and M4169-x

• Apply a suitable thread sealant to the threads.

• Tighten into 

3

/

4

" bung of drum, 

1

/

2

turn beyond hand tight.

Alarm Enclosures:
021-P00008

• Fixed mount design. Will be threaded onto the stem

assembly during assembly.

• Can be wired for High Level, Low Level or both, see part

number chart below.

• Standard design with LED’s for alarm. Audible piezos

may be used in place of or in conjunction with LED’s.

• Top level part, M4168-x or M4169-x, must be ordered

with this alarm, this can not be installed by the end user.

021-P00009

• Remote mount design.  Uses liquid tight fitting to secure

cable to enclosure.

• Can be wired for High Level, Low Level or both, see part

number chart below.

• Standard design with LED’s for alarm. Audible piezos

may be used in place of or in conjunction with LED’s.

• Top level part, M4168-x or M4169-x, can be ordered with

the alarm or the alarm can be ordered separately. This

alarm enclosure can be installed by the end user.

Electrical Specifications:

Part Number

M4168-1

M4168-1-FM

M4168-1-RM

M4168-2

M4168-2-FM

M4168-2-RM

M4168-3

M4168-3-FM

M4168-3-RM

M4169-1

M4169-1-FM

M4169-1-RM

M4169-2

M4169-2-FM

M4169-2-RM

M4169-3

M4169-3-FM

M4169-3-RM

Operation

(dry condition)

NO

NO

NO

NC

NC

NC

NO / NC

NO / NC

NO / NC

NO

NO

NO

NC

NC

NC

NO / NC

NO / NC

NO / NC

Function

High Level

High Level

High Level

Low level

Low level

Low level

High level / Low level

High level / Low level

High level / Low level

High level

High level

High level

Low level

Low level

Low level

High level / Low level

High level / Low level

High level / Low level

Stem Length

(inches)

2.00

2.00

2.00

32.00

32.00

32.00

32.00

32.00

32.00

2.00

2.00

2.00

32.00

32.00

32.00

32.00

32.00

32.00

Alarm

Enclosure

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

20, 30, 55

Gallon Drum

20, 30, 55

20, 30, 55

20, 30, 55

55

55

55

55

55

55

20, 30, 55

20, 30, 55

20, 30, 55

55

55

55

55

55

55

Watts

30

30

30

30

Voltage

240 VAC

120 VAC

120 VDC

24 VDC

Amps

(resistive)

0.14 A

0.28 A

0.07 A

0.28 A

Approvals:

Installation and Maintenance

M4168 and M4169 Drum Level Sensors

Madison Company

27 Business Park Drive Branford, CT 06405

(203) 488-4477 • Fax (203) 481-5036

E-mail: [email protected]

www.madisonco.com

English •  Español 

ECN #

107

02

 • Effective Date 

01/30/2018

 • MF-027, Rev. 

C

ISO 9001 Certified

• Available for high level signal, low level signal, or high and low level signals.

• Designed with liquid tight fittings, allowing for usage both indoors and outdoors.

• Optional alarm enclosures are available, see part number chart below.

• If a non-contact sensor is required for the application, please refer to Madison

ultrasonic and radar level sensors at www.madisonco.com.

General Information:
M4168-x and M4169-x

Installation Instructions:
M4168-x and M4169-x

• Apply a suitable thread sealant to the threads.

• Tighten into 

3

/

4

" bung of drum, 

1

/

2

turn beyond hand tight.

Alarm Enclosures:
021-P00008

• Fixed mount design. Will be threaded onto the stem

assembly during assembly.

• Can be wired for High Level, Low Level or both, see part

number chart below.

• Standard design with LED’s for alarm. Audible piezos

may be used in place of or in conjunction with LED’s.

• Top level part, M4168-x or M4169-x, must be ordered

with this alarm, this can not be installed by the end user.

021-P00009

• Remote mount design.  Uses liquid tight fitting to secure

cable to enclosure.

• Can be wired for High Level, Low Level or both, see part

number chart below.

• Standard design with LED’s for alarm. Audible piezos

may be used in place of or in conjunction with LED’s.

• Top level part, M4168-x or M4169-x, can be ordered with

the alarm or the alarm can be ordered separately. This

alarm enclosure can be installed by the end user.

Electrical Specifications:

Part Number

M4168-1

M4168-1-FM

M4168-1-RM

M4168-2

M4168-2-FM

M4168-2-RM

M4168-3

M4168-3-FM

M4168-3-RM

M4169-1

M4169-1-FM

M4169-1-RM

M4169-2

M4169-2-FM

M4169-2-RM

M4169-3

M4169-3-FM

M4169-3-RM

Operation

(dry condition)

NO

NO

NO

NC

NC

NC

NO / NC

NO / NC

NO / NC

NO

NO

NO

NC

NC

NC

NO / NC

NO / NC

NO / NC

Function

High Level

High Level

High Level

Low level

Low level

Low level

High level / Low level

High level / Low level

High level / Low level

High level

High level

High level

Low level

Low level

Low level

High level / Low level

High level / Low level

High level / Low level

Stem Length

(inches)

2.00

2.00

2.00

32.00

32.00

32.00

32.00

32.00

32.00

2.00

2.00

2.00

32.00

32.00

32.00

32.00

32.00

32.00

Alarm

Enclosure

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

No

Yes

Yes

20, 30, 55

Gallon Drum

20, 30, 55

20, 30, 55

20, 30, 55

55

55

55

55

55

55

20, 30, 55

20, 30, 55

20, 30, 55

55

55

55

55

55

55

Watts

30

30

30

30

Voltage

240 VAC

120 VAC

120 VDC

24 VDC

Amps

(resistive)

0.14 A

0.28 A

0.07 A

0.28 A

Approvals:

Installation and Maintenance

M4168 and M4169 Drum Level Sensors

Madison Company

27 Business Park Drive Branford, CT 06405

(203) 488-4477 • Fax (203) 481-5036

E-mail: [email protected]

www.madisonco.com

English •  Español 

ECN #

107

02

 • Effective Date 

01/30/2018

 • MF-027, Rev. 

C

ISO 9001 Certified

• Available for high level signal, low level signal, or high and low level signals.

• Designed with liquid tight fittings, allowing for usage both indoors and outdoors.

• Optional alarm enclosures are available, see part number chart below.

• If a non-contact sensor is required for the application, please refer to Madison

ultrasonic and radar level sensors at www.madisonco.com.

ISO 9001 Certified

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