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How can I replace the contact tip of the 16334A?
The replacement contact tip is orderable by part number 16334-09002.

FAQ 2010-07-02

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

How is measurement accuracy calculated when the 42841A is used with the 4284A, 4285A or E4980A?
The measurement accuracy is the sum of the measurement instrument accuracy and additional error produced when the instrument is used with the 42841A and bias current test fixture.

FAQ 2010-07-02

在测量兆欧级的高值电阻时,E4980A/ 4284A 显示的阻抗值比被测件的直流阻抗低得多。该如何测量高阻抗?
将测量功能设置为 Cp - Rp 模式,可以正确地测量高阻抗。

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

Can 4263B preserve Open/Short/Load correction data by using Save/Recall function?
No.

FAQ 2010-07-02

Why does the DC resistance measurement function of the 4287A require to be calibrated at the same time with Open/Short/Load calibration?
The specified accuracy for the DC resistance measurement is applied when the Open/Short/Load calibration for the DC resistance measurement is performed.

FAQ 2010-07-02

The 4395A with the 41800A Active Probe or the 41802A 1 MΩ Input Adapter: Is any calculation required for converting the data for 50 Ω input?
No, any conversion calculation related to the difference in input impedance (between 1 MΩs and 50 Ωs) is not required. You can directly read the measurement value on the 4395A.

FAQ 2010-07-02

Does typical permittivity measurement accuracy includes all the uncertainties due to the E4991A with opt 002, 16453A and MUT insertion conditions?
Yes. All the uncertainties are included in the typical measurement accuracy.

FAQ 2010-07-02

为什么 E4991A 和 4287A 没有负载补偿功能?
除开路/短路补偿以外,执行负载补偿相当于在测试夹具的被测件接触点上执行开路/短路/负载校准(通过使用工作标准器件)。由于在被测件接触点上的开路/短路/负载校准可以完全替代开路/短路/负载补偿,因此 E4991A 和 4287A 没有提供负载补偿功能。 当需要进行负载补偿时,可以使用开路/短路/负载校准功能来替代开路/短路/负载补偿。

FAQ 2010-07-02

Error message "PHASE LOCK LOOP UNLOCKED" could be displayed, when the 4294A using an external ref. osc (opt.1D5 or other 10 MHz output) is ON.
The message is removed when any key of the front panel except [Preset]. In this case, the unit works properly.

FAQ 2010-07-02

Can the cylindrical insulator reduce the effect of magnetic coupling between the inductive DUT and the outer conductor of the 16196A/B/C/D fixtures...
Yes, but the effect of reducing the magnetic coupling effect is not sufficient and depends on the DUT.

FAQ 2010-07-02

当所有频率点上的开路/短路修正都设置为关闭时,E4980A 能否在用户指定的标定频率点上执行开路/短路/负载修正?
不能,只有当所有频率点上的开路/短路修正都设置为打开时,用户指定的标定频率点上的开路/短路/负载修正才能被激活。

FAQ 2010-07-02

The 4339B with 16339A test fixture: The insulation resistance of a high value ceramic C (≥1000 pF) is very noisy even after 60 sec. charging time.

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

Can the 4294A measure a grounded DUT?
The 4294A can measure the grounded DUT when used with the 42941A Impedance Probe.

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 should I define or select the residual inductance values of Shorting Bars when performing Short compensation on the E4991A or the 4287A?
Nowadays, the authorized standards stipulate the dimensions of shorting devices and the Short Compensation method which uses the defined inductance values of the shorting devices. It is recommended to consider these authorized standards.

FAQ 2010-07-02

Can I separately order the heat-resistant cable without ordering E4991U-007 Upgrade Kit?
No. The heat-resistant cable cannot be ordered separately from the E4991U-007.

FAQ 2010-07-02

4338B 可以测电池内阻吗?
可以。4338B用非插入式量测电池内阻..

FAQ 2010-06-14

有没有适用于扩展 E4991A 测试端口的选件或附件?
除了 E4991A-007 温度特征测试套件,不需要安装任何选件或附件来扩展 E4991A 的测试端口。

FAQ 2010-05-24

为什么总是在 16190B 空气管线中心导体的一侧刷上黑漆?
刷上黑漆标记是为了标明连接到测试端口的中心导体的方向。

FAQ 2010-05-24

将两个 42841A 单元作为一个 40A 系统使用时,最大直流输出电压是多少?
将两个 42841A 单元作为一个 40A 系统使用时,最大直流输出电压是多少?

FAQ 2010-05-24

在不使用 16453A 和 16454A 的情况下,E4991A 选件 002 是否可以测量电容率或导磁率?
否,使用 E4991A 选件 002 测量电容率或导磁率时,必须使用 16453A 或 16454A。

FAQ 2010-05-24

E4980A 和 4294A 的直流偏置监测(Vdc 和 Idc)功能可否用于测量除了内部直流偏置以外的直流电压或电流?
否,Vdc 和 Idc 监测功能只能用于验证内部直流偏置电压和电流。

FAQ 2010-05-24

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