The best cost effective ultra precision reference is a MAX6126. 2.048 vdc output
http://datasheets.maximintegrated.com/en/ds/MAX6126.pdf ♦ Ultra-Low 1.3µVP-P Noise (0.1Hz to 10Hz, 2.048VOutput) ♦ Ultra-Low 3ppm/°C (max) Temperature Coefficient ♦ ±0.02% (max) Initial Accuracy♦ Wide (VOUT + 200mV) to 12.6V Supply VoltageRange ♦ Low 200mV (max) Dropout Voltage♦ 380µA Quiescent Supply Current ♦ 10mA Sink/Source-Current Capability ♦ Stable with CLOAD = 0.1µF to 10µF ♦ Low 20ppm/1000hr Long-Term Stability ♦ 0.025Ω (max) Load Regulation ♦ 20µV/V (max) Line Regulation ♦ Force and Sense Outputs for Remote Sensing Jack KG6INX -----Original Message----- From: Todd Micallef <[email protected]> To: Discussion of precise voltage measurement <[email protected]> Sent: Sat, Sep 12, 2015 12:33 pm Subject: Re: [volt-nuts] Excellent economical voltage standard I was going to suggest a Fluke 731A/B but there wasn't anything listed on auction this morning. It appears someone has just listed one for $165 http://www.ebay.com/itm/FLUKE-731B-LABORATORY-REFERENCE-DC-VOLTAGE-STANDARD-Model-731B-/151814122701?hash=item2358d3accd On Sat, Sep 12, 2015 at 11:59 AM, Greg Welby <[email protected]> wrote: > I am looking for a DC voltage source as a reference for my datron 1271 > without breaking the bank. Does anyone have a good suggestion ? > _______________________________________________ > volt-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. > _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there. _______________________________________________ volt-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
