API Development Files


2700 Series LabVIEW Driver 1.0.1 (2.12 MB)

Audio Precision has developed a complete LabVIEW project-style instrument driver for IEEE 488.2 (GPIB) equipped models of the 2700 Series of audio analyzers. This driver supports NI LabVIEW 8.20.




AP2700 C# Using References 1.0 (149.90 KB)

Example utilizing C# for AP2700 "using references" (Visual C# 2005).




AP2700 LabVIEW Examples 3.3 (68.00 KB)

LabVIEW VI examples for controlling 2700 Series and System Two Cascade  instruments using AP2700 control software and ActiveX automation. For usage instructions, see Technote 101




APWin LabVIEW Examples 2.24 (172.10 KB)

LabVIEW VI examples for controlling System Two and System One instruments using APWin control software and ActiveX automation. For usage instructions, see

Technote 101

For controlling type "A" instruments, or type "G" instruments via the APIB bus. Requires LabVIEW 6.0 or higher.




APx API 2.5 2.5 (37.04 MB)



APx API Developer Tools 4.2 (72.75 MB)

Resources for API developers. Includes VB.NET and C# templates and example code, C++ examples, LabVIEW examples, and the APx Wavereader dll. Documentation includes Intro to Programming the APx500 API and the APx API Browser. The APx LabVIEW driver is a separate download.

Included in this download:

What's New in the APx500 API
Introduction to Programming the APx500 API
API Browser application




APx API Developer Tools 4.3 (29.7 MB)

Resources for API developers. Includes VB.NET and C# templates and example code, C++ examples, LabVIEW examples, and the APx Wavereader dll. Documentation includes Intro to Programming the APx500 API and the APx API Browser. The APx LabVIEW driver is a separate download.

Included in this download:

What's New in the APx500 API
Introduction to Programming the APx500 API
API Browser application




APx API Developer Tools 4.4 (29.7 MB)

Resources for API developers. Includes VB.NET and C# templates and example code, C++ examples, LabVIEW examples, and the APx Wavereader dll. Documentation includes Intro to Programming the APx500 API and the APx API Browser. The APx LabVIEW driver is a separate download.

Included in this download:

What's New in the APx500 API
Introduction to Programming the APx500 API
API Browser application




APx API Wrapper (for VEE, MATLAB) 2.4 (185.00 KB)

This APx API wrapper dll enables you to access the entire APx API when using Agilent VEE and The Mathworks MATLAB. A discussion and instructions are in the kb article "Using APx with VEE." This download is only necessary for APx500 v2.4. APx500 v2.5 and later already include it.




APx Introduction to Programming the APx500 API 4.4 (1.25 MB)

A guide to using the APx500 API, updated for the current version.




APx LabVIEW .NET Driver 4.2.3 (30.11 MB)

The APx LabVIEW Driver is a collection of Virtual Instruments (VIs) that provide LabVIEW users with most of the functionality available in the APx500 Application Programming Interface (API) using high level, LabVIEW-typical subVIs. With the driver, you can quickly and efficiently develop APx applications with clean, concise LabVIEW code. Please note that the LabVIEW Driver is specific for each release of APx500. Requires LabVIEW 2010 or higher.




APx LabVIEW .NET Driver 4.3 (30.42 MB)

The APx LabVIEW Driver is a collection of Virtual Instruments (VIs) that provide LabVIEW users with most of the functionality available in the APx500 Application Programming Interface (API) using high level, LabVIEW-typical subVIs. With the driver, you can quickly and efficiently develop APx applications with clean, concise LabVIEW code. Please note that the LabVIEW Driver is specific for each release of APx500. Requires LabVIEW 2012 or higher.




APx LabVIEW .NET Driver 4.4 (30.42 MB)

The APx LabVIEW Driver is a collection of Virtual Instruments (VIs) that provide LabVIEW users with most of the functionality available in the APx500 Application Programming Interface (API) using high level, LabVIEW-typical subVIs. With the driver, you can quickly and efficiently develop APx applications with clean, concise LabVIEW code. Please note that the LabVIEW Driver is specific for each release of APx500. Requires LabVIEW 2012 or higher.