... DC Voltage, AC/DC Current, Resistance, Continuity, Capacitance and Diode test, Auto / Manual Range, Data hold, Relative measuring. The Fiber Optical Power Meter ... RS422 simplex and RS485PTZ ProtocolCompatible with more than 20 protocols such ... UTP cable connection status and display in the screen. Read the ... Range, 1mV resolutionCapacitor6600pF~66,000μF auto/manual rangePOWERPower AdapterDC5V, ...