EXCLUSIVE FORUM FOR MACHINE DISMANTLERS AND REPAIR PEOPLE > Merrillville
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> Stanford research SR850 dsp lock-in-amplifier SR844
Stanford research SR850 dsp lock-in-amplifier SR844
The first unit just sold for 4000$ last month(see link below) item 250527054937 . this is my 3rd of 4 units..
The second one sold today for 3800$ on a best offer. there are 2 more remaining out of the 4.
This is a stanford research systems sr850 digital(dsp)lock in amp like the sr844 and sr830 models.
it costs 7500$ new and sells for about 60 to 70 percent new price on the used market. the lock in amps are srs' most popular products. and Im expecting this to sell within the week.
I have sold over 30 lock in amps by srs in the last 4 years. this one is tested good with no issues. and guaranteed good for 14 days or you can exchange with one of my other 2 units.
all internal tests have been done and they all pass flawlessly . as well as the startup tests. you can see some of the tests in the pics.
crt is bright ,sharp and clear with no aging or damage.
knob , and all buttons working great with no issues. this is srs' top of the line lock in amplifier . with display so you can see whats going on and adjust parameters more easy.
* 1 mHz to 102.4 kHz frequency range
* 0.001 degree phase resolution
* Time constants from 10 s to 30 ks
* Auto-gain, -phase, -reserve and -offset
* Data logging (up to 65k samples)
* Smoothing, curve fitting & statistics
* GPIB, RS-232 and 3.5" disk drive
For test equipment I am the largest used Stanford Research Systems dealer in the world. I am also known for my HP / Agilent spectrum analyzer and function generator sales as well.
For test equipment I am very knowledgeable with SRS and HP agilent equipment : pricing , testing,reconditioning, and fixing basic issues. Every price that is listed is a price that the same unit sold for before at least a few times. I am not like the other dealers who list for rediculous prices that no one has ever bought it for in hopes they can make themselves rich. All my prices for musical instruments and scientific electronic test instruments are fair going rate prices.
Pickup is completely fine as well> I am located 50 minutes from Salt Lake City UTAH and Have another house In southern California.
