There are three basic types of infrared thermometer optics, each with its own advantages and disadvantages: no-lens thermometers, fresnel lens thermometers and mica lens thermometers.
It is important to give some thought to the intended range of temperature you are likely to measure with your infrared thermometer. For best resolution, choose a thermometer with a specified range that most narrowly covers what you are planning to measure.
IR-Pocket infrared thermometer with max/min, display hold & lock functionsLED spot alignment display hold function lock function for continuous measurement max/min memory function
RayTemp 2 Infrared Thermometer high accuracy ±1 °C over 0 to 100 °CFREE traceable certificate of calibration meets the European Standard EN 13485 displays ambient temperature records the max/min temperatures designed & built in Britain
RayTemp 8 thermometer kittwo thermometers in one includes differential & average temperatures target ratio 12:1 pocket-sized & simple to use range IR -60 to 500°C range probe -64 to 1370°C
RayTemp® 28 High Temperature Infrared Thermometerauto-power off, display hold & backlight functions wide temperature range -50 to 1370 °C robust IP54 housing for durability dual laser for precise targeting external type K probes extra
