DIY use. Ranging from evaluating the heat sink performance, air conditioner checking to the automotive repairing.
Finally, I bought it from 鴨記 at $330. In contrast, Taobao is selling at RMB 258 ($33x), so it is more expensive when including the shipping fee.
http://item.taobao.com/item.htm? ... &id=15703605467
The Sentry ST633 can adjust 3 selections of the emissivity (0.3, 0.7, 0.95) and narrow spot ratio (12:1), so it can give higher accuracy. I am happy with that. 
豐儉由人,用黎做咩~?
idleman 發表於 2013-10-12 01:16  |