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Electronic Measurement

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Why the protection cap plug for my power sensor cable has different color?
Why the protection cap plug for my power sensor cable has different color?

FAQ 2019-03-25

How to convert the data return by TRACe:DATA? to a plot to show the trace in MATLAB?
MATLAB prgramming

FAQ 2018-10-05

Why 8990B keep showing disconnected when I connect it through LAN connection?
User need to turn off 8990B firewall, then add LAN instrument at Keysight Connection Expert, and set Instrument Identification to '*IDN query'.

FAQ 2018-04-26

Why is sensor with internal calibration capability not measuring 0dBm after performing zero & calibration process?
Power sensors with internal calibration capability( eg. N192XA, U848x, U2020XA, U2040XA) use its built in reference when performing a zero and calibration.

FAQ 2017-05-05

How to perform cal factor correction when using 8480 series power sensor ( with cal factor below 85% or above 100%) with old power meters (HP435B/HP43
If you are using an HP435B or HP436A, the minimum cal factor setting is 85% and the maximum is 100%.

FAQ 2017-03-30

Why is the accuracy of U200x Power Sensors not tested per sensor’s dynamic range?
The accuracy of those sensors is essentially a combination of linearity, instrumentation accuracy and traceability to absolute accuracy at 50MHz, 0dBm.

FAQ 2017-03-29

Why is the linearity of E441x, E930x, E932x and E/V/W8486A Power Sensors not tested per sensor’s dynamic range?
In actuality, there is little necessity to test linearity of the E4412A and E4413A Power Sensors below -20dBm….

FAQ 2017-03-29

Power Meter Firmware & Software Updates
Power Meter Firmware & Software Updates.

FAQ 2015-12-15

How do I measure accurately below -60dBm using U2040 X-Series Sensor?
Click on the question above for recommended steps.

FAQ 2015-12-14

Where can I find manuals for discontinued and obsolete Hewlett-Packard, Keysight and Keysight test equipment?
Most Keysight products have PDF manuals that can be found on product pages. Other vendors also supply old manuals.

FAQ 2014-08-01

Why is my power meter/power sensor do not come with hardcopy manual?
Keysight power meter and power sensor product will no longer offer hardcopy manuals as a standard shipped item.

FAQ 2014-04-17

Why should I switch to the new N1913A or N1914A power meter?
The user will be benefit if he/she switches to the N1913/14A power meter.

FAQ 2014-04-07

My Keysight LXI based SICL / LAN instrument is timing out on the LAN connection under automation control. Is it possible to avoid this LAN timeout?
Yes, please access the LXI based instruments web server by entering the instruments IP address into a web browser. If the LAN has timed out it maybe necessary to cycle the power button.

FAQ 2014-01-28

Why do my N1911A and N1912A Power Meters display a message that says the analogue scale is over the range?
The N1911A and N1912A Power Meters display a message saying the analogue scale is over the range because the scale is set at a default….

FAQ 2014-01-23

How can the memory in a 438A Power Meter be erased for security purposes?
This can be done by a sequence of keypresses, or by a sequence of remote commands.

FAQ 2013-11-22

What are the part numbers of the 43X Manuals?
The 435B, 436A, 437B & 438B Power Meter products are discontinued, but you can still order the manuals. Part numbers are provided here.

FAQ 2013-11-22

Can I retrofit option H75 or H76 on my 478A Coaxial Thermistor Mount sensor?
The option H75 and H76 can not be retrofitted on an existing 478A. Either of these options must be ordered at the time the 478A is originally purchased.

FAQ 2013-11-17

Which currently available power meters are compatible with the 8753E network analyzer?
In order to work with the 8753E network analyzer, your power meter must emulate either the 436A, 437B, 438A E4418A or the E4419A power meter. Keysight is no longer selling those power meters. However, the E4418B (formerly named the EPM-441A) and E4...

FAQ 2013-11-17

EPM Series 437B and 438A Compatibility

FAQ 2013-11-17

What are the range selector scale rings for the 435A and 435B legacy power meters?

FAQ 2013-11-17

How are the Keysight 8481B and Keysight 8482B Power Sensors Connected to the Power Meter "POWER REF" Output during User Calibration?
The Keysight 8481B and 8482B power sensors are considered 'high power' sensors. They are specified to operate over an input level of 0 dBm to +44 dBm (1 mW to 25 W).

FAQ 2013-11-17

436A Power Meter: Choosing The Correct Fuse For Mains Operation
What fuses are recommended for mains operation of the 436A Power Meter?The line voltage must be taken into account when choosing which fuse to use. There are two different recommended fuse ratings for the 436A, and these are as follows: For 220/24...

FAQ 2013-11-17

436A GPIB Option

FAQ 2013-11-17

Why are the 435/6/7/8A/B Power Meter, 53147/8/9A Microwave Counter/Power Meter/DVM, 70100A MMS Power Meter …
The 435/6/7/8A/B, 53147/8/9A, 70100A, E1416A and E7495A/B are incompatible with the N8480 Power Sensors because….

FAQ 2013-11-17

What is the difference between U8481/5A & U2000 Series USB power sensor?
The main difference is the sensor measurement accuracy.

FAQ 2012-11-28

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