• Thermal Sensitivity (NETD): 0.08°C
  • Temperature Range: -4 to 536°F (-20 to +280°C)
  • Refresh Rate: 9 Hz
  • Standard Lens: 32° x 23°
  • Auto hot/cold spot indicator


The Testo 875-1 thermal imager features a 32° x 23° high-quality, standard lens and a temperature sensitivity (NETD) of 0.08°C. The NETD indicates the smallest possible temperature difference that can be resolved by the imager. The Testo 875-1 thermal imager has a temperature measurement range from -20 to +280°C, refresh rate of 9 Hz, manual focus and automatic hot/cold spot recognition. With automatic hot/cold spot recognition, the coldest and warmest spot of the measurement area are automatically shown in the display.

Our Testo 875-1 thermal imagers ship complete with:

  • Case
  • IRsoft PC software
  • SD card
  • USB cable
  • Battery charger
  • Li-ion rechargeable battery
  • Tri-pod adapter