USB Driver Software for the Models 7124 and 7270

SIGNAL RECOVERY offers two USB drivers suitable for use with the Model 7124 and 7270 Lock-in Amplifiers when they need to be controlled from computers running Windows XP or Vista. The first, SRUSBXP.SYS, is suitable for all versions of instrument bootcode and firmware; the second, which uses the National Instruments VISA software, requires that the instrument firmware be version 1.57 or later. If the VISA driver is also to be used to perform firmware updates then the instrument bootcode must be version 1.04 or later.

In general, we recommend that you install the SRUSBXP.SYS driver except if you want to run the LabVIEW drivers for these instruments via USB, in which case you should install the VISA driver. Note however that in order to use the VISA driver you will also need to download and install the full VISA software package from the National Instruments website. It can be obtained by clicking here.

Click the links below to access the drivers and information document.

Description	Link
PDF document describing the two drivers and how to install them	USB Drivers for the Model 7124 and 7270 Lock-in Amplifiers.pdf
WinZip file containing the drivers and the above instruction document in PDF format	SRUSBDrivers.zip
Self-extracting WinZip file containing the drivers and the above instruction document in PDF format. When run it by default extracts the files to C:\Program Files\SIGNAL RECOVERY\USBDrivers	SRUSBDrivers.exe

SIGNAL RECOVERY is part of Advanced Measurement Technology, Inc, a division of AMETEK, Inc.
It includes the businesses formerly trading as EG&G Instruments (Signal Recovery),
EG&G Signal Recovery and PerkinElmer Instruments (Signal Recovery)

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