Teach Spin SPL1A1-A Instruments Signal Processor Lock-In Amplifier Physics Lab For Sale
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Teach Spin SPL1A1-A Instruments Signal Processor Lock-In Amplifier Physics Lab:
$999.95
Offered here is a very niceused Teach Spin SPL1A1-A Instruments Signal Processor Lock-In Amplifier. The unit pictured is the one you will receive. It retails for $2,695. It is in excellent used condition with very little wear. Should there be any issues we offer free returns for 14 days for a full refund. Please email us any questions and thanks for looking at our listings. We appreciate your business.
Understanding Extraction of Signal from Noise
* Modular Architecture
* Multiple \"Strategies\" for Extracting Signal from Noise
* Compare Lock-In and Amplitude Detection
* Conceptually Transparent Modules
* Noise Generator and Test Signals Built-In
* Low-Noise Preamplifier, Single-Ended or Differential
* Appropriate for Real Physics Experiments
The Signal Processor / Lock-In Amplifer was developed to help students understand theprocess of extracting weak signals that are embedded in a noisy environment. It allows them to experiment with a variety of \"electronic strategies,\" as well as to become familiar with some of the uses of phase-sensitive detection. The SPLIA1-A is the antithesis of the modern commercial research lock-in amplifiers. These elegant devices are essentially \"black boxes\" to the user (student), since they automatically adjust almost all of their parameters to achieve optimum signal-to-noise. They are designed for ease of operation and to achieve optimal signal recovery, but not to make what we call the \"electronic strategies\" transparent to the user. In short, wonderful as they are, they were obviously not designed for teaching.
TeachSpin has designed the SPLIA1-A specifically for teaching. However, it can also function quite respectably as a \"real\" signal processor or lock-in amplifier, for real physics experiments.
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ABOUT ELECTRONICS
We purchase our electronics from a number of sources. In most cases these pieces come from surplus and business liquidation sales and sales. These pieces are often used but in good working condition. We try to describe our items as best as possible and provide a number of quality photographs. When possible we try to test our items to see if they are fully functional. However, we are not always able to fully test an item and when we can\'t we mention that in the description. Some of our items are sold as is with no returns and many of our items have a 14 day return window. Each sale will provide information about condition and returns. We never intentionally sell broken items, and if we do sell you a broken item that we said worked, we will take it back. If we state that an item is broken then we don\'t accept returns on those items.
SHIPPING
When possible we can combine shipping. If you purchase more than one item please send us an email and request combined shipping. We will do our best to save you money on shipping when we can. We can also ship outside of the United States on most items. If you have questions about international shipping please email us before offerding. We provide tracking numbers with our shipments and they will be uploaded to the sale when the item ships. We take pride in our packaging and do a quality job of packing all of our items. We use quality new packing materials and boxes. We generally ship with FedEx but there are some occasions when items have to be mailed with the United States Postal Service. Most items are shipped with FedEx Ground or Home Delivery. Sometimes we also use FedEx SmartPost. We ship within 5 business days of receiving payment. Generally we ship on Mondays and Fridays.
PAYMENT
We accept either PayPal or credit card payments via our merchant card service. We can accept Visa, MasterCard, or American Express. If you wish to pay with a credit card please email us to make payment arrangements.
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