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6-16 Keysight E5260/E5270 User’s Guide, Edition 6

Function Details

Measurement Time

Measurement time depends on integration time, measurement range, and other

measurement conditions, and can be expressed by the following formula:

Measurement time = Integration time + Overhead time

Integration time is the time required for measurement, and does not include such

factors as range changing or data compensation, which would be the overhead time.

Integration Time

Integration time is the time required to get measurement data. For accurate and

reliable measurement, integration time should be increased. Integration time can be

set for each type of A/D converter (ADC) used by the measurement channel.

For the Keysight E5260, see the description of the high-speed ADC. The

high-resolution ADC is equipped with the Keysight E5270B only.

• High-speed ADC

You can adjust the number of averaging samples instead of the integration time.

For high speed measurement. Installed in each measurement module.

• High-resolution ADC

Available only for the Keysight E5270B. You can adjust the integration time

directly. For high accuracy and high resolution measurement. This ADC is

mounted on the mainframe, and used by the multiple modules alternately.

To set the integration time or the number of averaging samples, select the mode and

set the value as shown in Table 6-1. For the Keysight E5260, see the description of

High Speed ADC.

ADC Zero

Function

Available only for the E5270B. The ADC zero function is available for the

high-resolution A/D converter (ADC) and not available for the high-speed ADC.

This function measures the internal offset of the high-resolution ADC and

compensates it automatically. The measurement data displayed on the LCD will be

the data after compensation.

NOTE This function is especially effective for the low voltage measurement. Disable the

function in cases where measurement speed is more important than measurement

accuracy. This approximately halves integration time.

Keysight Technologies E5260 Series User Manual

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