品牌：Red Lion Controls,規(guī)格：Special Features Delivers Analog Output Proportional to Input Pulse-Rate (Frequency), Accepts Variable Pulse-Rate Inputs from a Wide Variety of Sensors, Dual Signal Output, 0 To 10 VDC Plus Selectable Signal Current Output of 0 To 1 mA or 4 to 20 mA, Selectable Frequency Range Ratings from 30 Hz To 10 KHz, Accuracy (Linearity) 0.25%, Switch Selectable For 115 or 230 VAC,