Winland MTA-2 Temperature Sensor Adjustable High Low Dry Contact Output



The Winland TempAlert MTA-2 is a reliable temperature monitoring device for air temperature from -30°F to +130°F (-34°C to +54°C) for residential and commercial applications. This device is ideal for computer rooms, residential/vacation homes, greenhouses, animal buildings or unattended buildings.

The MTA2 has an adjustable high and low temperature set point.  When the temperature falls below or rises above your settings, the sensor will close the contact.  The contact output can be connected to an alarm, auto dialer or other automation system.


  • High/low parameters
  • Will activate virtually any alarm panel, dialer or wireless alarm
  • Gold plated normally open (NO) dry contact output
  • No power required to operate

Product Specifications

  • Power Requirements: None
  • Operating Temperature: Not for use in freezer/cooler
  • Minimum Temperature Span: 10° - the recommended distance between high and low set points
  • Temperature Accuracy: ±3°F (±1.7°C)
  • Temperature Response Time: TC = 14 minutes
  • Outputs: Gold plated normally open dry contacts (Not for high voltage use)
  • Contact Output Rating: 50mA @ 12VDC
  • Dimensions: 4.5 x 3.25 x 1” (11.4 x 8.3 x 2.5 cm)


Winland MTA2 Manual

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