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

FAQ 2013-11-22

Why is a negative D value sometimes displayed when a furnished PTFE plate is measured with the 16453A?
When resistance value of Short compensation data is too large, measured D value is overcompensated for the Short resistance and results in a negative value

FAQ 2012-04-08

How wide range of resistivity can the 4339B measure when used with the 16008B?
The 4339B can measure surface resistivity up to 7 x 1017 Ω and volume resistivity up to 8 x 1018 Ω-cm, but it depends on the electrodes of the 16008B used.

FAQ 2010-07-02

Can I have criteria or a list of non-applicable liquid materials for the 16452A?
Avoid measuring acidic, alkaline and ionic materials with the 16452A.

FAQ 2010-07-02

Why is Rp or G measurement value unstable when pure water is measured with the 16452A?
There are two conceivable causes of unstable measurement results. One of primary causes is a change in temperature of pure water sample measured. The other is a slight pollution which resides on the electrode surfaces.

FAQ 2010-07-02

E4991A-002/4291A/B-002 with 16454A: Why is impedance measurement value different from the value calculated from permeability?
Error compensation in the permeability measurement firmware produces the difference between measured impedance and permeability.

FAQ 2010-07-02

How can I connect a test fixture to the measurement terminals of the E4980A when the stopper at the rear of the fixture disturbs the connection?
Remove the stopper from the test fixture by removing a screw at the center of the plastic stopper. Otherwise, remove the front rubber guide from the E4980A.

FAQ 2010-07-02

How do I clear the memory in the 35670A?

FAQ 2010-05-17

There are 4 types of spacers for the 16452A. Is there any criterion for selecting the spacer?
There is no specific criterion for the selection except that the 1.3 mm spacer is required for the short compensation.

FAQ 2009-01-12

What is the maximum hydraulic pressure applicable to the 16452A?
Any pressure in excess of 1 atm (atmosphere) should not be applied to the 16452A.

FAQ 2009-01-12

Why is the capacitance measured for an air-dielectric with the 16452A unstable?
If the capacitance measured for an air-dielectric is unstable, check whether the 16452A electrodes are sufficiently clean or not.

FAQ 2009-01-12

Why is the capacitance measured for a liquid material with the 16452A unstable?

FAQ 2009-01-12

What is the method of minimizing a measurement data gap at 5 MHz for liquid material measurements using the 16452A?
Since the 16452A is a cell type liquid test fixture which is difficult to connect a load device for Load compensation, the following method is recommended.

FAQ 2008-05-26

Can I use somehow the 16453A for measurements up to 3 GHz?
No, the maximum usable frequency is 1 GHz because measurement uncertainty due to residual impedance of the 16453A rapidly increases at higher frequencies.

FAQ 2008-05-20

Can the 16453A measure film materials thinner than 0.3 mm?
Measurement error due to air-gap significantly increases for thinner MUTs than 0.3 mm. Pre-forming electrodes on both sides of MUT can reduce the error.

FAQ 2008-05-20

What is the electrical length value defined for the 16454A?
The electrical length of the 16454A has been preset to the E4991A as 0 mm.

FAQ 2008-05-20

What is the electrical length value defined for the 16453A?
The electrical length is 0 mm. This value is not required for measurement because calibration is performed at the electrode plane of the 16453A.

FAQ 2008-05-20

Can I use the 16454A with an LCR meter or Impedance Analyzer other than the E4991A-002 or 4291A/B-002?
Yes, basically, it is recommended to use an Impedance Analyzer with I-Basic programming function in order to automate the permeability calculation.

FAQ 2008-05-20

Why is the 16008B furnished with an acrylic plate?
The 16008B is furnished with an acrylic plate to prevent the guard electrodes from being scratched when the 16008B is not in use.

FAQ 2008-05-16

Can the 16453A be used with LCR meters or impedance analyzers other than the E4991A?
No, the 16453A can be used with only the E4991A and 4291A/B which have material measurement firmware (Option 002).

FAQ 2008-04-07

Is the Agilent 85070E Material Measurement software compatible with legacy Agilent 85070A/B/C/D High Temperature Dielectric Probes?
Yes, the Agilent 85070E software is backwards compatible with all the legacy high temperature probes Agilent has sold.

FAQ 2007-02-26

In the 35670A marker function list, there is a "Band Power" function under Band Marker. How does the analyzer compute the Band Power?
Band Power calculation is done by summing the power contained in each of the frequency bins contained in the band and then dividing the result by the Effective Bandwidth.

FAQ 2007-01-16

The unit of Y-axis always shows "count/div"; how do I use the time capture function of the 35670A?

FAQ 2007-01-10

When performing materials measurements using the Agilent E4991A and 16453A fixture I obtain unstable measurement results above 1.0 GHz. Why?
The Agilent E4991A is specified to 3.0 GHz. However, for material measurements, the Agilent 16453A test fixture is specified to 1.0 GHz.

FAQ 2006-11-30

Acceleration to Velocity or Displacement on the 35670A

FAQ 2002-10-10

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