Keysight N432A Thermistor Power Meter

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Keysight N432A
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N432A Datasheet
The N432A is the replacement for Keysight’s legacy 432A analog thermistor power meter. The single-channel, average RF power meter operates with the Keysight  8478B and 478A thermistor mounts. The N432A-and-thermistor-mount pair is ideal for applications that require high measurement accuracy, particularly in metrology and calibration laboratory environments. The enhanced thermistor power meter comes with a digital color LCD display, and user-friendly front panel interface. Its built-in calibration factor table provides a more convenient and accurate method of storing calibration factors as compared to the old knob-turning approach of the 432A. The N432A is LXI-C compliant, and programmable via GPIB, USB and LAN.
Keysight N432A Features
  • Frequency range: 100 kHz to 18 GHz (sensor dependent)
  • Power range: –30 dBm (1 μW) to +10 dBm (10 mW)
  • High accuracy ± (0.1% of reading + 0.5 μW), excellent for 1 mW transfer calibration (with 478A-H75)
  • Built in 6.5 digit ADC eliminates the need of external DMM
  • Selectable bridge resistance (100/200/300/400 Ω)
  • Remote interface flexibility
  • DC substitution measurement, traceable to the U.S. National Institute of Standards and Technology (NIST)