HP 4275A MANUAL PDF

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This manual may contain references to HP or Hewlett-Packard. Please note that Hewlett-. Packard’s former test and measurement, semiconductor products and. A. • Test frequencies – 10 kHz to 10 MHz. • Test signal level – 1 mV to 1 V rms. • % basic AUTO MANUAL DOWN UP. SELF. TEST The A operates over a frequency range of Hz to kHz ually or under HP-IB control. The HP A and HP A Multi-frequency LCR Meters, microprocessor- based impedance . Trigger: internal, external or manual. Measurement terminals.

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All segments of the numeric and character displays are also lit.

The HP Model A Multi-frequency LCR Meter is a high performance, fully automatic test instrument designed to measure the vari- ous component measurement parameter values of an impedance element in the relatively high frequency region.

Used with field wiring terminals to indicate the terminal which must be connected to ground before operating equipment. For this meas- urement, the appropriate test fixture may be user designed.

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The Model A, in particular, is an advanced LCR meter which makes high frequency component measurements simple and much easier. Front Panel Features Sheet 4 of 4. External DC Bias J Measuring circuit has an open- circuit or a short-circuit in the test lead or test fixture being used.

Panel Features mnaual Meas- ured sample values include factors which vary such values because of electromagnetic effects such as the well-known skin effect of a conductor, the general characteristics of ferromagnetic inductor cores, and effects of dielectric materials in capacitors.

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A LCR METER [Obsolete] | Keysight (formerly Agilent’s Electronic Measurement)

Pageparagraph Selection of Test Cable Length: Installed option contents are dis- played as shown below: General Information sheet 2 of 2. This operating and service manual con- tains information, cautions, and warnings which must be followed by the user to ensure safe operation and to maintain the instrument in a safe condition.

This supple- ment contains “change information” that ex- plains how to adapt the manual to the newer instrument. Accuracy at Multiplier X 0. Accessories Available The effects of the residual factors can be expressed as shown in Figure When the option code is pre- fixed with an F, the option code numbers signify the following particular test fre- quencies: Theoretically, samples which have one terminal except guard terminal grounded to earth can not normally be measured by the A.

The effective resist- ance increases at resonance even if the in- ductor has ideally no resistance at dc. This built-in multi-function display allows selectable mon- itoring of the measuring conditions anytime during the test.

Index of /~kurt/manuals/manuals/HP Agilent

The contents of the shipment should be as shown in Figure Refer to para- graph for the errors due to test fix- tures at frequencies above IMHz.

However, the first measurement data of sequential measurement data is invalid.

If negative D value is displayed, refer to Figure step This program code can be used to recall a display A reference value, “LV”: The first four digits and the letter are the se- rial prefix and the last five digits are the suffix.

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Test Signal Level Monitor Data 3 – Special components may be measured by using test leads A, B or the B, or by specially designed user built fixtures instead of the B Test Fixture. Other detailed information for panel displays and controls Is covered in paragraphs and those which follow.

Annunciation Display Meanings The figure shows sample circuitry maanual to A appli- cations.

Any measurement error due to the test fixture is, therefore, automati- cally eliminated for stray capacitance up to 20pF, residual 42275a up to nH, resistance up to 0. The wide range measurement capa- bilities of the model A are enhanced by the 12 spot test frequencies selectable from lOkHz up to lOMHz in a sequence, including two optional frequencies.

Three kinds of ho electrode modules are in- cluded for components with either axial, radial or radial short leads. Line Voltage and Fuse Selection In ordinary LCR measuring instruments, the measurement circuit Is set automatically or manually to a predetermined equivalent cir- 4275s with respect to either the selected range or to the dissipation factor value of the sample.

These pushbuttons select ranging method for inductance, capa- citance, resistance or impedance measurements.