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The Rohde & Schwarz NRVS Uses a range of measuring heads including thermal power sensors as well as highly sensitive diode power sensors, peak power sensors, probes and insertion units for voltage measurements. The NRVS covers a power span from 100 pW up to the kW range. In addition to the power sensors, all voltage probes of the URV5-Z series can be used. Operation of the power meter is to a great extent via selfexplanatory menus so that the user will hardly ever have to refer to the manual. For setting the instrument rapidly to a specific status, 20 complete setups can be stored. Measurement results, units and various items of information are displayed on a large 41/2-digit LC display in three steps of resolution. Specifications. Measurement functions: average power, pulse power, max. envelope power, DC and AC voltage (depending on measuring head). Frequency and level range: DC to 40 GHz, 100 pW to 30 W (depending on measuring head). Measuring heads: all voltage and power measuring heads NRV-Z and URV5-Z. Display: LCD for figures, units, user prompting and analog display. Resolution of digital display: 4 1/2 digits max., resolution adjustable in 3 modes; HIGH 12000 steps or 0.001 dB, MEDIUM 1200 steps or 0.01 dB, LOW 120 steps or 0.1 dB. Averaging filter: over 1 to 512 readings for reducing the display noise; manual or automatic setting depending on measurement range and resolution. DC control input for frequency response correction: BNC female, ±12 V, linear with selectable scale, input impedance 9 M-ohm, max. input voltage 50 V. DC output: BNC female, source impedance 1 kohm, output voltage (EMF) proportional to deflection of analog display, scale value: left 0 V, right +3 V, additional settling time 250 ms, error <=5 mV, ripple typ. 5 mV (Vpp).
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