Active USB Adapter for NRP-Z sensors w/ Trigger Input and Plug-in Power Supply, R&S ID 1146.7005.02 The R&S NRP-Z3 is an USB Adapter (active) and has been developed for applications requiring external triggering of the power sensor. It also offers a separate power supply. For connecting a sensor to the USB interface of a PC Trigger input: Voltage max.: +/- 15 V Logic Level: low <0.8 V, high >2.0 V Input impedance: approx. 5 kohm Plug-in power supply: Voltage frequency 100 V to 240 V, 50 Hz to 60 Hz Tolerance: +/- 10 % for voltage, +/- 3 Hz for frequency Current consumption: 25 mA typ. with sensor connected Connection: via adapter to all common AC supplies (Europe, UK, USA, Australia) Connecting cable to PC: USB interface: type A Length: approx. 2 m