The testo 805i Smart Probe is an infrared (IR) thermometer that provides non-contact temperature readings, great for checking breakers, motors, ducts, and registers from a distance.
Specifications:
Measures non-contact temperature
Optic target ratio (10:1)
Temperature Measuring range:-22° to 482 °F / -30 to +250 °C
Accuracy: ±1.5 °C
Resolution:0.1 °F / 0.1 °C