Engineered for tough environments, Multispan’s instruments withstand temperature, vibration, and electrical noise. http://cc.naver.jp/cc?a=dtl.topic&r=&i=&bw=1024&px=0&py=0&sx=-1&sy=-1&m=1&nsc=knews.viewpage&u=http%3A%2F%2Fwww.multispanindia.com