• 34461A Firmware

    When upgrading to firmware 3.0 there was a power blackout and all firmware seems to be lost. I'm no longer able to access user interface. When switching on the DMM I get a message on screen and the DMM halts...
    franklin
    last modified by franklin
  • 3458A boots up with "move JM132 and cycle power".

    Moving JM132  causes no change so instrument is stuck in this loop. Has anyone seen this and a fix?
    jazzmens1
    last modified by jazzmens1
  • 34461A C program dependencies

    Hi We are moving from RS232 to USB using multimeter 34461A as the replacement. I've installed the 'Keysight Instrument Control Bundle'. I can see the device connected and working using a USB connection.   I ha...
    ProsigDFB
    created by ProsigDFB
  • Multimeters 34450A cannot remember settings after restart.

    Hello I have several 34450A multimeters and I have a problem with restoring settings after turning off. I can save and recall settings, but the multimeter is not loading settings after rebooting from memory "Last". I...
    Miro112
    last modified by Miro112
  • U1733 TWISTED PAIR IMPEDANCE

    i'm looking at the U1733 to measure impedance of a shielded twister pair on our shop floor. Will this meter achieve this? Our lab has a TDR for design and development but not practical for lot testing on the productio...
    mnwire
    last modified by mnwire
  • 34401A's failing to power up?

    Hi we have several 34401A's which were working fine prior to being put into (climate controlled) storage for 18 months or so. On retrieving the units and testing them, it was found that a number of them failed to powe...
    bysteve
    last modified by bysteve
  • What is the confidence level for Keysight DMM specifications?

    For example, the Keysight 3458A 90-day DC Voltage accuracy specification for a 1 V nominal reading in 1 V range would be 4.9 uV. When using this accuracy specification in an uncertainty budget one needs to k...
    JacoEngelbrecht
    last modified by JacoEngelbrecht
  • Troubleshooting Overload AAC

    1A range reads Overload AAC, 3A range reads 25mA with no load. 10A  reads fine.
    flashover21541
    created by flashover21541
  • Is the USB interface of the U2741A modular multimeter optically isolated to prevent ground loops?

    Is the USB interface of the U2741A modular multimeter optically isolated to prevent ground loops?
    e22
    created by e22
  • peak-to-peak is described as cumulative for 34465A but is it really?

    The peak to peak description in the "Compatibility and Differences: 34465A and 34410A..." says it is cumulative in the 34465A model but it does not seem to behave that way. It suggests (and the operating guide uses it...
    cl2
    last modified by cl2
  • 34461A Taking periodic samples

    Hello,   I would like to take periodic measurements spaced 20 ms apart using the 34461A. I am using previous code I wrote for a 34410A but found the 34461A does not have a sampling:source option so you can ...
    JasonAG
    last modified by JasonAG
  • How to use the 2nd display on the 34410A DMM

    This video describes how to setup the 34410A or 34411A Digital Multimeter using the front panel to view the 2nd display. While the main display shows DC Volts, the second display will show you the peak to peak voltage...
    jdwindrvr
    last modified by jdwindrvr
  • Agilent 34401A Digital Multimeter, 6.5 Digit DMM Product Demonstration

    The Agilent 34401A is the industries most popular 6.5 digit digital multimeter. The 34401A is a true multimeter as it offers DCV, ACV, DC and AC current, 2 and 4 wire resistance, frequency, period, diode test and much...
    tomc
    last modified by tomc
  • Problem with switching autorange 34410A

    Hi   I have a multimeter Keysight 34410A. It was used a little.    It have a problem with switching autorange at funcion Resistance. If I switch range mannulaly  2W (ohms) and set autorange It wo...
    OP27
    last modified by OP27
  • PreTrigger count does not seem to work when TrgSrc is Level on 34465A FW A.03.00-02.40-03.00-00.52-02-01

    PreTrigger count does not seem to work when TrgSrc is Level and measuring DCV on 34465A FW A.03.00-02.40-03.00-00.52-02-01 The data acquired starts at the triggering level and not 10000 samples before the triggering ...
    arobgibson
    last modified by arobgibson
  • 34465A Minimum Sample Interval

    This is an observation about the behaviour of the 34465A DMM which is different than the 34411A predecessor. Both DMMs have the DIGITIZING option (standard with the 34411A) and 2M Memory options fitted. When the 344...
    SteveMat
    last modified by SteveMat
  • 34410A - Recording data using VISA, error 410

    Hi,   I am trying to take a large sample of DC current measurements. While the correct readings are displayed on the multimeter itself, the correct data is not being sent to my PC. I only receive the value '16' ...
    mush
    last modified by mush
  • 0V & 0A DC/AC Negative Tolerance (34410A / 34401A)

    What are the negative fluctuations that we expect with preferably the 34410A (or the 34401A) when we are in an open circuit or when a device is turned off for DC&AC Voltage&Current measurements?   I want...
    ForeShadow20
    created by ForeShadow20
  • 3458A memory option -001 ...

    Hello - I have an Agilent 3458A unit (Malaysian built) and want to extend memory with option -001. Normally one needs to replace PAL device U102 with a modified logic content ...   On the Keysight website - the...
    Homer
    last modified by Homer
  • What is Digital Insulation Testers?

    **** Brand digital 31/2 digits Insulation Tester model 954, 5kv multi-range (1kv-2.5kv-5kv) and Insulation up to 200 G???, having a lot of features like Ac Voltage measurement up to 600V, Phase sequence test up to 100...
    mecoinst
    last modified by mecoinst