The Temp°Alert® MTA-2 is a reliable and economical temperature-monitoring device that can be used in residential or commercial applications. Integrate into a security panel, set the desired temperature parameters, and have peace of mind that you will be notified of an incident where corrective action is needed. Alarm contacts may not function outside of the alarm use range. Non-condensing environments only. Do NOT put console in freezer/cooler.  Use an EnviroAlert® or EnviroAlert Professional® with a wired sensor. 


  • Connects to any hard wire or wireless alarm system
  • Separate output for high and low alarm signals
  • Sleek, low-profile styling
  • Normally open (N.O.)
  • No power required to operate
  • Do NOT put console in freezer/cooler. Use an EnviroAlert® or 
  • EnviroAlert Professional® with a wired sensor.

Product Specifications

Power Requirements No power required to operate
Operating Temperature Alarm Use: 20 to 110°F (6.7 to 43.3°C)
Display use: 0 to 120°F (-17.8 to 48.9°C)
Minimum Temp Span 10° – Recommended distance between high and low set points
Temp Accuracy ±3°F (±1.7°C)
Temp Response Time TC = 14 minutes
Outputs Gold plated normally open dry contacts (Not for high voltage use)
Contact Output Rating 12 VDC @ 50mA
Dimensions 4.5 x 3.25 x 1” (11.4 x 8.3 x 2.5 cm)

MTA-2 Spec Sheet          MTA-2 Manual                          Prop 65 Notice for Californians

Product Certifications

  • RoHs
  • WEEE