Stanford Research Systems SR844 RF Lock-In Amplifier, 25KHz-200MHz

Description

Stanford Research Systems SR844 RF Lock-In Amplifier, 25KHz-200MHz, with Operating and Programming Reference Manual
The SR844 is the widest bandwidth lock-in amplifier available. It provides uncompromised performance with a frequency range of 25 kHz to 200 MHz and up to 80 dB of drift-free dynamic reserve. It includes the many features, ease of operation, and programmability that you've come to expect from SRS DSP lock-in amplifiers.
· 25 kHz to 200 MHz frequency range
· 80 dB dynamic reserve
· Time constants from 100 µs to 30 ks (6, 12, 18 or 24 dB/oct rolloff)
· "No Time Constant" mode (10 µs to 20 µs update rate)
· Auto-gain, -phase, -reserve and -offset
· Two 16-bit DACs and ADCs
· Internal or external reference
· GPIB and RS-232 interfaces
Conditions
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The unit is tested and is in good working and nice cosmetic conditions. Pls take note the Offset On/Off soft keypad is missing but it does not affect the functionality of the equipment. It comes with the original operating and programming reference manual.
Return Policy
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We provide 14 days right of return with money back guarantee. Buyers will pay for the return shipping cost.
Payment
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We accept paypal or bank wire transfer.
Shipping
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We ship via TNT/FedEx/DHL/UPS. The shipping cost is estimated and the actual cost will be quoted upon confirmation of buyer's shipping address. Buyers can also use your own preferred shipping forwarders/couriers.
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