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Tecmark Corporation

7745 Metric Drive

Mentor, Ohio 44060

(440) 205-7600

(440) 205-7601 (fax)

info@tecmarkcorp.com ISO 9001 certified

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Home > Air Transmitters > Series M Air Transmitter

Series M Air Transmitter Specifications

Series M Transmitter

MPT Air Transmitter

Series M Transmitter

MPT3428D Air Transmitter

Series M and Series MPT transmitters are an essential component in Tecmark's pneumatic switching technology, LectricAir®, which safely isolates the user from the electrical current. The Series M and Series MPT air transmitters provide the pulse air pressure needed to operate a remote air switch. The compact and efficient features of these transmitters are designed for hand actuation and can operate Tecmark® component switches from distances of up to 100 feet.


Superior quality construction makes Series M and Series MPT transmitters suitable for environments up to 200° F. Series M and Series MPT transmitters incorporate EPDM bellows material which is impervious to ozone and ideal for use around chemically treated water. Their mechanical life expectancy far exceeds industry acceptable standards. Series M and Series MPT transmitters feature interchangeable metal or plastic buttons & bezels and are available in a large variety of colors and finishes (consult factory).


Typical Applications

Series M and Series MPT transmitters provide the air pressure needed to activate remote air switches which turn a variety of electrical devices on/off including motors, lights, pumps, air blowers, or other associated equipment.


Basic Construction

  • Unique slim-line cylinder assembly with internal bellows
  • Transmitter comes complete with gasket, locking nut, button and bezel
  • Standard M Series mounts through materials from 1/16" to 1-5/8" thick
  • Extended M Series mounts through materials from 1/16" to 2-1/2" thick
  • Field tested critical components specifically selected to operate reliably in temperature extremes of 0° to 200° F
  • 100,000+ cycle life under full mechanical and thermal loads
  • EDPM bellows material
  • Bottom accepts 1/2" PVC conduit
  • Connector accepts 1/8" or 1/16" I.D. flexible plastic or rubber tubing

Available Features

  • Interchangeable button and bezel kits in a large variety of colors and finishes
  • Custom logo buttons
  • Flat, Domed and Raised button styles available
  • Cylinder assembly available separately
  • Button and bezel kit sold separately

Design Flexibility

Tecmark's manufacturing philosophy is unique. In an effort to provide you with a product that is most suited to your application, Tecmark® transmitters incorporate interchangeable components for the ultimate in design flexibility. This means a product tailored to your needs without the high price and long lead times associated with custom manufacturing. If you have a need and don't see the features you require, please ask us!


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