Keysight N1913A, N1914A EPM-Serie 1-/2-Channel RF Power Meters

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Benefits of the N191xA EMP Series Average RF Power Meters

  • Supports all average power sensors and their frequency range (power range depends on connected sensor).
  • Measurement speed up to 400 readings/s with E series sensors.
  • Accuracy ±0.02 dB logarithmic/±0.5% linear (absolute), ±0.04 dB logarithmic, ±1% linear (relative).

Keysight N1913A, N1914A EPM-Serie 1-/2-Channel RF Power Meters

The Keysight EPM series power meters offer a measurement speed of up to 400 readings/s for fast, accurate average power measurements, They come with a color LCD screen, allowing you to view and analyze test data more easily. A noteworthy enhancement from the conventional dual-channel power meter, EPM Series power meter enables four-channel power measurement by connecting U2000 series USB power sensors via optional USB host. The N1913A and N1914A EPM series power meters support a wide range of sensor options. They are compatible with all E9300 series sensors (except E9320 series sensor), E4410 series sensors and N8480 series sensors.

  • Frequency range 9 kHz...110 GHz (sensor dependent).
  • Wide dynamic range -70...+44 dBm (sensor dependent).
  • Widely code-compatible with E4418/19B power meters and 436A/37B/38A power meters (option 200).
  • Increased measurement channels: Up to three/four channels with two additional U2000 series power sensors connected using the optional USB hosts.
  • Automated frequency/power sweep measurements with the optional external trigger in/out feature.
  • A BenchVue software license (BV0007B) is now included with your instrument. BenchVue makes it simple to connect, control instruments, and automate test sequences.
  • LAN LXI-C, USB, and GPIB connectivity.

Model Overview

DescriptionSingle channel average power meterDual channel average power meter
Compatible power sensorsKeysight 8480 series, E9300 E series, E4410 E series, N8480 series, E8486A, V8486A, W8486A, U2000 series, U8480A series, U2040x series (except U2049X series and in average mode only)
Frequency range9 kHz...110 GHz, sensor dependent
Power range–70...+44 dBm (100 pW...25 W), sensor dependent
Single sensor dynamic range90 dB maximum (Keysight E series power sensors)
50 dB maximum (Keysight 8480 series power sensors)
55 dB maximum (Keysight N8480 series power sensors)
80 dB maximum (Keysight U2000 series USB power sensors)
55 dB maximum (Keysight U8480A series USB power sensors)
96 dB maximum (Keysight U2040x series, except U2049X series and in average mode only)
Display unitsAbsolute: Watt or dBm; relative: Percent or dB
Display resolutionSelectable resolution of 1.0, 0.1, 0.01 and 0.001 dB in logarithmic mode, or 1, 2, 3 and 4 significant digits in linear mode
Default resolution0.01 dB in logarithmic mode or three digits in linear mode
Measurement speedUsing remote interface (over the GPIB, USB or LAN), three measurement speed modes are available as shown, along with the typical maximum measurement speed for each mode:
  • With N1913A power meter: Normal 20 readings/s, x2 40 readings/s, fast: 400 readings/s, for Keysight E series power sensors only.
  • With N1914A power meter: The measurement speed is reduced, for example, with both channels in FAST mode, the typical maximum measurement speed is 200 readings/s.
  • Fast mode is for Keysight E-Series power sensors only.
  • Maximum measurement speed is obtained using binary output in free run trigger mode.
Power meter functions
  • Accessed by key entry:Either hard keys, or soft key menu, and programmable.
  • Zero: Zeros the meter (power reference calibrator is switched off during zeroing).
  • Cal: Calibrates the meter using internal (power reference calibrator) or external source. Reference cal factor settable 1...150%, in 0.1% increments.
  • Frequency: Entered frequency range is used to interpolate the calibration factors table. Frequency range 1 kHz...999.9 GHz. Also settable in 1 kHz steps.
  • Cal factor: Sets the calibration factor for the meter. Range 1...150%, in 0.1% increments.
  • Relative: Displays all successive measurements relative to the last displayed value.
  • Offset: Allows power measurements to be offset by –100...+100 dB, settable in 0.001 dB increments, to compensate for external loss or gain.
  • Save/recall: Store up to 10 instrument states via the save/recall menu.
  • dBm/W: Selectable units of either Watt or dBm in absolute power; or percent or dB for relative measurements.
  • Filter (averaging): Selectable from 1 to 1024. Auto-averaging provides automatic noise compensation.
  • Duty cycle: Duty cycle values between 0.001...99.999%, in 0.001% increments, can be entered to display a peak power representation of measured power. The following equation is used to calculate the displayed peak power value: peak power = measured power/duty cycle.
  • Sensor cal tables: Selects cal factor versus frequency tables corresponding to specified sensors.
  • Limits: High and low limits can be set in the range –150.000...+230.000 dBm, in 0.001 dBm increments.
  • Preset default values: dBm mode, rel off, power reference off, duty cycle off, offset off, frequency 50 MHz, AUTO average, free run, AUTO range (for E series sensors and N8480 series).
  • Display: Color display with selectable single and split screen formats are available. A quasi-analog display is available for peaking measurements. The dual channel power meter can simultaneously display any two configurations of A, B, A/B, B/A, A-B, B-A and relative. With the optional USB ports, additional dual channel (C & D), adds up to total 4-channels measurement display.
InterfacesUSB 2.0, Ethernet/LAN (LXI-C), GPIB, SCPI compatible, optional VGA, optional USB-Port for additional sensor connection

Included: Power meter Keysight N 1913 A or N 1914 A, power cord, power sensor cable (1.5 m, one per N1913A, two per N1914A), USB cable type A to mini-B.

Agilent’s Electronic Measurement Group is now Keysight Technologies.