Hewlett packard 34401a multimeter manual. Repair: HP 34401A capacitor failure 2019-03-13

Hewlett packard 34401a multimeter manual Rating: 5,6/10 1038 reviews

Repair: HP 34401A capacitor failure

hewlett packard 34401a multimeter manual

Math must be enabled before you can store a value to the Relative Register. My nose told me so, having detected the familiar scent of charred electronics. The bus address is displayed. Each math operation performs a mathematical operation on each reading or stores data on a series of readings. This feature is available only from the remote interface. This represents six full digits of resolution. The delay is determined by function, range, integration time, and ac filter setting.

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Repair: HP 34401A capacitor failure

hewlett packard 34401a multimeter manual

All the magic and active parts are located on single mainboard. From the remote interface, you can also display a 12-character message on the front panel. Return the Edition 1, November 1991 remedies. It then subtracts the zero reading from the preceding reading. Its combination of bench-top and system features makes this multimeter a versatile solution for your measurement needs now and in the future.

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HP 34401A USER MANUAL Pdf Download.

hewlett packard 34401a multimeter manual

In no event shall the author, xDevs. To reduce the effects of measurement loading errors, you can set the input resistance to greater than 10 G for the 100 mVdc, 1 Vdc, and 10 Vdc ranges. You must use the same security code to unsecure the multimeter as was used to secure it, and vice versa. This command does not initiate the measurement. The language selection is stored in non-volatile memory, and does not change when power has been off or after a remote interface reset. As shown below, any voltage difference between the two ground reference points V causes a current to ground.

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hewlett packard 34401a multimeter manual

Failure to comply with these rules may result in being banned from further commenting. Applies to all measurement functions, except continuity and diode tests. I had some left from other repairs, so you can see already new caps on photo above. To install one or two instruments in a sliding support shelf, order shelf 5063-9255, and slide kit 1494-0015 for a single instrument, also order filler panel 5002-3999. Multimeter is in remote mode remote interface. In Figure 7, the new capacitor and Zener are in place. Memory is cleared as the self-test stores this information.

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HP 34401A Multimeter Operation & user’s manual PDF View/Download, Page # 87

hewlett packard 34401a multimeter manual

Query the Standard event register. Not only is the capacitor burned, but so is the device just above it. When the display is turned off, readings are not sent to the display and all display annunciators except and Shift are disabled. Manual Type: User Manual Pages: 236 Size: 9. Removed front panel, to get easier access to mainboard. The self- test will begin when you release the key. The multimeter takes one reading, or the specified number of readings sample count , each time Ext Trig receives a low-true pulse.

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User Manual Hewlett Packard

hewlett packard 34401a multimeter manual

The fast filter settles in 0. This limited test assures you that the multimeter is operational. This self-test does not perform the extensive set of analog tests that are included as part of the complete self-test described below. Make sure Security you have read the security code rules on page 95 before attempting to continued secure the multimeter. See the rear panel of the multimeter for the proper fuse rating. The threshold resistance is adjustable only from the front panel. This chapter describes common errors found in measurements and gives suggestions to help you avoid these errors.

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➤ Download

hewlett packard 34401a multimeter manual

For ac measurements, resolution is actually fixed at 6 digits. Fortunately, I have a copy of the original 1992 service manual, though Keysight. What I saw confirmed what my nose told me, something had burned Figure 2. © Copyright Hewlett-Packard Company 1991, 1996 All Rights Reserved. In this article initial diagnostics, repair attempt and calibration will be covered. This limited test assures you that the multimeter is operational. They are not included in the 1991.

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User Manual Hewlett Packard

hewlett packard 34401a multimeter manual

Then, rotate the handle to the desired position. In October, I brought it to while visiting the area. The following program is written in Turbo C and can be easily modified for use with Microsoft Quick C. Do not assume that measurement is correct just because meter and source are in agreement, account for uncertainty and all possible error sources. Specify one of the following strings. The baud rate can be set only from the front-panel. The cabling that you use to connect signals to the multimeter will also add additional capacitance and loading.

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