Lightwave Multimeter System Mainframe The Agilent (now Keysight) 8163A lightwave multimeter is a basic measurement tool that provides flexible modular configuration and easy control of test solutions. This mainframe is used for optical component test. Measurements-Speed:down to 200 µs Output Power: to 13 dBm Internal Modulation: 270 Hz to 10 kHz Display: Graphical Display, 190 x 300 points, monochrome Display Resolution: 0.0001 dB/dBm, 0.01 pW to 10 pW Trigger: true synchronous on all channels Supports modules of the 816xxx and 815xxx series Built-in applications GPIB Interface Parallel and serial ports