Nippon technologies offers temperature indicators. Model nippon-1000 is a hand-held temperature indicator. Most accurate and very handy, it is suitable for different applications like flat surface, hot rollers, liquid and hot air. The instrument works on a 9 v, easy to replace battery. The lcd display is 31/2 digits, which can provide resolution up to 0.1 deg c. It covers temperature range from -15 to +1200 deg c. This product is approved by ertl.