• 445713-TP
  • Usually ships in 4-6 weeks



  • Temperature Ranges:
    • External Probe -58 to 158°F (-50 to 70°C)
    • Internal Sensor 32 to 122°F (0 to 50°C)
  • Internal Relative Humidity Range: 20% to 99% RH
  • Basic accuracy of ±1.8°F (±1.0°C), ± 5% RH
  • Max/Min with “reset” function
  • Dimensions: 4.3 x 3.9 x 0.78" (109 x 99 x 20mm)
  • Weight: 6oz (169g)

What's in the Box

  • Built-in stand
  • Wall mounting bracket
  • Detachable outdoor sensor with 9.75ft (3m) cable
  • 1.5V AAA battery


The Extech 445713-TP hygro-thermometer is a versatile instrument that simultaneously displays indoor temperature and relative humidity and outdoor temperature. The big digit display ensures the results can be seen from across a room.

The 445713-TP features selectable temperature units and Min/Max memory with reset. The slender detachable remote probe can be placed through small openings to take outdoor temperature from -58 to 158°F (-50 to 70°C). This can also be used to monitor temperature differences in two areas close to each other with probe cable length being 9.75ft (3m). Unit can be set on a desk top with built-in stand or hung on a wall.