Testo infrared temperature measuring instruments testo 0560 8314 with the 830 t4 infrared thermometer from testo you will be well equipped for non contact surface temperature measurements in industry and trade it is especially distinguished by its 301 optics which enable the infrared temperature measuring instrument to record extremely small measuring spots from afar this allows moving or dangerous objects to be measured at a safe distancethis infrared thermometer not only measures the s