Æ Temperature Range - 20 ^ 320 KÏ ô -4 ^ 536 Æ Accuracy ± 2% or 2 K) ¾ ¦ Æ Distance Spot Ratio 8: 1 KÏ Ý » Ô ‡ Æ Emissivity 0.95 Ñ ‡ Æ Response Time & Wavelength....