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Oscilloscopes, Analyzers, Meters
 LCR Meters + Impedance Measurement Products

Oscilloscopes, Analyzers, Meters
125 of 44
What are the differences between the E4980A and 4284A?
Most of the E4980A functions are compatible with the 4284A's. Since some enhancements and updates of functionality are incorporated in the E4980A, there are primary differences summarized in the table.
FAQ 20140407 

On the ENA / ENAL, the "Update Firmware" key is not displayed under the Service menu. What is wrong?
FAQ 20111007 

Why does the 42841A shut down with an error message display on the E4980A/ 4284A when DC bias current exceeds a certain level?
The 42841A cannot output DC bias current in excess of a level determined from the DC resistance of DUT and the maximum limit of DC output voltage.
FAQ 20110421 

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 20100702 

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 Ωcm, but it depends on the electrodes of the 16008B used.
FAQ 20100702 

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 20100702 

Do the coaxial Short and 50 Ω Load terminations for the 42941A have accuracy specifications?
No, both the coaxial Short and 50 Ω Load standard terminations for the 42941A do not have accuracy specifications.
FAQ 20100702 

How low resistance can the 4338B measure and resolve?
The effective resistance measurement range and resolution of the 4338B is down to 10 microohms. The minimum display resolution of the 4338B is 0.1 microohms.
FAQ 20100514 

How to calculate the accuracy for U1731B/U1732B Inductance Measurements?
The accuracy is calculated using the formula in the data sheet...... The Example......
FAQ 20100505 

How to calculate the accuracy for U1731B/U1732B Capacitance Measurements?
The accuracy is calculated using the formula in the data sheet...... The Example......
FAQ 20100503 

When the 4287A displays inaccurate Rdc measurement values, what is required to make more proper Rdc measurements for contact check?
Perform Open/Short/Load calibration and Open/Short compensation.
FAQ 20100126 

How to calculate the accuracy for U1731A/U1732A Capacitance Measurements?
The accuracy is calculated using the formula in the data sheet...... The Example......
FAQ 20090716 

How to calculate the accuracy for U1731A/U1732A Inductance Measurements?
The accuracy is calculated using the formula in the data sheet...... The Example......
FAQ 20090716 

What are the frequency limitations on the various probes utilized with the Keysight 85070E Dielectric Probe Kit and why?
The 85070E Dielectric Probe options 020, 030 and 050 have maximum frequeny via the E4991A Impedance Analyzer of 3 GHz.
FAQ 20090626 

Is the Rdc measurement accuracy of the 4287A better than that of the 4286A?
FAQ 20090313 

What benefits can I get by replacing the 4286A with the 4287A?
FAQ 20090311 

What is the output impedance of the 4287A?
Nominal output impedance is 50 ohms.
FAQ 20090311 

What is the output impedance of the 4285A?
FAQ 20090114 

Can the spectrum analyzer mode of the 4395A display noise level below 0.0001 µV / sqrt (Hz) in noise measurement mode?
No, the 4395A can't display noise level below 0.0001 µV / sqrt (Hz) in noise measurement mode.
FAQ 20081116 

Is the accuracy of the impedance measurement specified when the 4395A/4396B Option 010 is used with the 87512A?
No, the accuracy of the impedance measurement values obtained by using the 4395A/4396B with the 87512A is not specified.
FAQ 20081116 

What does the Input Impedance in Table 1124 of E4980A User's Guide and Table 39 of E4980A data sheet mean and how should it be applied?
The Table 1124 and Table 39 describe input impedance of DC bias current monitor.
FAQ 20081112 

What is the signal source output impedance of the 4338B?
The signal source output impedance is 1 ohm +/ 0.2 ohms (not specified).
FAQ 20081111 

How accurately does the 4338B measure high resistance?
The 4338B accuracy in high resistance measurement is degraded because the maximum measurement range is limited to 100 k ohms.
FAQ 20081111 

What is the signal source output resistance of the 4339B?
The output resistance of DC test voltage source is 1 k ohms ±10 %.
FAQ 20080911 

What is the test signal output impedance of the 4294A?
The source output impedance of the 4294A is 25 ohms (nominal value).
FAQ 20080911 
