... LED -1999 --9999; Sampling: more than 16 times/sec. DP4 series Sensor indicatorFeatures: 1) Input : mA, mV, V, A , Pt100. Ω. TC ... the exchangeof needed goods. you are welcome to contact us at any time, we are ready to offer you the immediate ... Phone: 086-13217608016(Barbara Guo) 086-13435730867(Peter Liao) DP4 series Sensor indicator