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The lock-in amplifier was invented by Princeton University physicist Robert H. Dicke who founded the company Princeton Applied Research (PAR) to market the product.http://en.wikipedia.org/wiki/Lock-In Amplifierin_amplifier
This model is: SR830 Dual Phase Lock-In Amplifier
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Current Location: 36-228
Vendor: http://www.thinksrs.com/index.htm Stanford Research Systems, Inc.
Manual: http://www.thinksrs.com/downloads/PDFs/Manuals/SR830m.pdf Instruction Manual
Specifications: http://www.thinksrs.com/downloads/PDFs/Catalog/SR810830c.pdf Datasheet
LabView Programs: http://sine.ni.com/apps/utf8/niid_web_display.model_page?p_model_id=1536 Available Through National Instruments
Price: $4500
Purchase Date: 10-3-2008
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