Harbor Freight Tools


Dual Input Contact Thermometer

This professional grade dual temperature digital contact thermometer takes readings of T1, T2, or T1-T2.

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EXTECH 421502 at $132.34 Save $97.37

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Professional-grade contact temperature designed for professional, commercial or industrial HVAC and Service technicians. The temperature range -328°F to 2500 (-200°C to 1372) covers a wide range of applications. Dual temperature measurement provides faster measurement of heating and cooling systems for HVAC work. Relative time display function gives you easy tracking of minimum, maximum and average temperatures over time. Includes two (2) K-type thermocouples

  • Measures temperatures from -200~1372°C/-328~2500°F
  • Suitable for Automotive, Electrical and HVAC applications
  • Large easy-to-read display
  • Two-input dual differential digital temperature offers monitoring to help analyze system performance (T1, T2, T1-T2)
  • Relative time display function of minimum, maximum and average temperatures over time. Suitable for various thermocouples, such as J, K, T, E
  • Choice of display results °C, °F and K (Kelvin)
  • Hold button for capturing display readings

Important Information

  • This is a clearance item.
  • This item is subject to a 20% restocking fee

Shipping Weight
1.25 lb.
Temperature range (deg F)
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.