AGILENT 35670A

Supplemental Operator’s Guide

Section 16 : Waterfall Spectra at RPM Intervals

Spectra can be acquired at fixed RPM intervals with RPM STEP ARM. This feature allows spectra to be taken at uniform RPM intervals even during erratic run-ups.

Setting Up the Tachometer

Connect the tachometer signal to the TACH BNC connector on the back of the AGILENT 35670A. Set up tachometer parameters as follows, assuming that the tachometer is a 1 V peak signal with 2 pulses per revolution:

Press the [Trigger] hardkey.

Press the [TACHOMTER SETUP] softkey (F8).

Press the [TACH PULS PER REV] softkey (F8).

Enter 2 then press the [ENTER] softkey (F1).

Toggle the [TACH DISP ON OFF] softkey (F6) until ON is highlighted.

Specifying the Start RPM

To set up RPM interval triggering, refer to the preceding section regarding Time Step Arm, then follow these instructions:

Press the [Trigger] hardkey.

Press the [ARM SETUP] softkey (F7).

Select the [RPM STEP ARM] softkey (F3).

Press the [START RPM] softkey (F6).

Press 1000 then the [RPM] softkey (F1).

This starts the measurement when 1000 RPM.

Press the [RPM STEP SIZE] softkey (F7).

Press 25 then the [RPM] softkey (F1).

This arms the measurement every 25 RPM.

Collecting a Specified Number of Spectra During an RPM Interval

Acquire a specified number of spectra into a waterfall during an RPM run-up using RPM step arm. Divide the total RPM interval by the number of spectra desired during the interval to determine the desired RPM STEP SIZE. For example to measure 15 spectra during an RPM run-up from 1000 RPM to 1750 RPM, select an RPM STEP SIZE of 50 as follows:

Press the [Trigger] hardkey.

Select the [ARM SETUP] softkey (F7).

Select the [RPM STEP ARM] softkey (F4).

Press the [START RPM] softkey (F6).

Press 1000 then the [RPM] softkey (F1).

Press the [RPM STEP SIZE] softkey (F7).

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Agilent Technologies Agilent 35670A manual Waterfall Spectra at RPM Intervals, Setting Up the Tachometer

Agilent 35670A specifications

Agilent Technologies Agilent 35670A is a prominent and versatile dynamic signal analyzer designed for various applications in vibration testing, structural analysis, and noise measurement. Engineered to meet the rigorous demands of engineers and researchers, the 35670A is especially valued for its advanced features and functionalities that facilitate detailed analysis and troubleshooting.

One of the primary features of the Agilent 35670A is its ability to perform real-time signal analysis. The instrument is equipped with a powerful processing engine that handles large amounts of data efficiently, providing fast and accurate results. This real-time capability is critical for dynamic testing applications, allowing engineers to monitor and analyze signals as they occur, thereby facilitating quicker decision-making and problem identification.

The Agilent 35670A employs advanced Fast Fourier Transform (FFT) algorithms, which provide high-resolution spectral analysis. This feature is essential for engineers needing to identify frequency components in complex signals, making it particularly useful in the fields of acoustics and mechanical engineering. The analyzer supports various types of measurements, such as magnitude and phase, enabling users to delve deeply into their data.

Another key technology embedded in the Agilent 35670A is its ability to perform multi-channel measurements. The instrument can connect to a variety of external sensors and testing devices, making it a flexible choice for users who need to analyze multiple signals simultaneously. This multi-channel feature is particularly advantageous in automotive testing, aerospace applications, and structural health monitoring.

The device also comes equipped with a user-friendly graphical interface, enhancing the overall user experience. The interface facilitates easy navigation and access to various measurement modes, settings, and data visualizations. Additionally, the Agilent 35670A supports automated measurements, allowing users to save time and reduce human error in repetitive testing scenarios.

Furthermore, the Agilent 35670A offers extensive connectivity options, including GPIB and USB interfaces, making it easy to integrate into existing laboratory setups and automated testing systems. This flexibility ensures that users can adapt the analyzer to their specific needs and workflow processes.

In summary, the Agilent 35670A stands out as a sophisticated dynamic signal analyzer that combines advanced signal processing technologies with user-friendly features. Its real-time analysis, multi-channel capabilities, and extensive connectivity options make it an invaluable tool for professionals in various engineering fields, dedicated to achieving precision in their analyses and solutions.