For contact-free measuring of surface temperature, highest precision due to special glass lens, with double-laser sighting (shows the exact spot size area), measuring time:< 1 second, display of current, highest and lowest temperature or upper/lower limits, HOLD/LOCK/DIF/AVG function, visual and acoustic alarm with freely adjustable temperature values (upper/lower limit), backlight, accuracy ±2°C or ±2%, adjustable emission ratio, ratio of measuring distance/spot size 50:1, for all type K-sensors with miniature connector (e.g. 30.3500 and 30.3503), max. measuring range -64…+1400 °C, accuracy ± 1% or ± 1°C), calibrated with 3 measuring points (0°C/+100°C/+450°C), belt bag and factory certificate included