Tai-Tien QWA-4 Quartz watch/clock analyzer

Horological tools .. What are their functions and how do they work? Questions and explanations here.

Tai-Tien QWA-4 Quartz watch/clock analyzer

New postby syeht » Mon Nov 19, 2012 8:20 pm

Tai-Tien QWA-4 Quartz watch/clock analyzer.I got this machine as part of a larger lot.I can't find any info online for it. It does power up. Runs through a count down from 9999 to oooo. I put a quartz watch on it at the ppm setting.The dial on the pickup box moved with to machine readings. Got readings that jumped around.(when it worked)The voltage meter works as does the variable voltage source.I'm really wondering if it can be used to time a mechanical pocket watch. I really have no use for it otherwise.It was dated as being resold in 1983.

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Re: Tai-Tien QWA-4 Quartz watch/clock analyzer

New postby Stephan » Tue Nov 20, 2012 5:26 am

I would say the analog / digital switch suggests it can do both kinds. You might need to find some instructions to work out how.
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Re: Tai-Tien QWA-4 Quartz watch/clock analyzer

New postby Stephan » Mon Dec 03, 2012 10:09 pm

Found the company here http://www.taitien.com/

They still make this with the current model being the QWA-5a. Looks very similar.

Might be worth dropping them a line and see if they have any documentation.
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Re: Tai-Tien QWA-4 Quartz watch/clock analyzer

New postby Stephan » Mon Dec 03, 2012 10:25 pm

Managed to download a user guide for the 5a

Here is the relevant bit. Hope it helps

Preliminary Adjustments

DIGITAL UNITS

a. Set Analog/Digital Switch to Digital.

b. Place unit on test pedestal and move over covered area until signal meter needle is in Red zone.

ANALOG UNITS

c. Set Analog/Digital Switch to Analog

d. Place units on test pedestal and move over covered area until there is a steady Pulsing of the needle on the signal meter.

Measurement of Accuracy

e. Select the units desired ,is ppm(key 20), sec/day(key 19) ,or Sec/mo(key 18)

f. Display will indicate accuracy of units selected with a “+” on the display,
meaning fast or gaining time and a”-“on the display ,meaning slow or
losing time.

NOTE: For the Analog units, select the FAST test speed, DEPRESS KEY 26, and see that
indicator light 10 is lit, the signal light,9. should be on to indicate the main unit is receiving a signal.
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Re: Tai-Tien QWA-4 Quartz watch/clock analyzer

New postby syeht » Fri Dec 07, 2012 3:06 pm

Thank you for all the information. The machine has alot of electrical issues. I traded it to another member of this forum for a cheap bottle of wine :D . So were both winners. He's using this info to try to get it to work.
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