Testo 0560 series thermal imaging cameras testo 0560 8650 the testo 865 thermal imager is the ideal entry into the world of thermography it stands out due to the best image quality in its class and handy operation it is robust enough to withstand tough daily use and has useful functions for even better thermal imagesthe testo 865 is a user friendly thermal imager optimised for fast and efficient work with the testo scaleassist functions ensuring optimum setting of the thermal image scal