... . Model XK3190-D2+2. Accuracy class Grade III,n=30003. Analog partsinput signal range 0 ~ 30mVMax.net input signal 30mVConversion Speed ... automatic compensation, the compensation distance is about 50 m4. Display 6-bit Fluorescent Display, word height is 0.8-inch, 6 state ... of them combined with the number keys to use)6. Clock display year/month/date,hour/min/second, leap year and leap ...