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Thread: Testo 557 reading 000 microns
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05-09-2012, 08:34 PM #1
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Testo 557 reading 000 microns
Anybodys testo doing this, this unit is maybe two weeks old and showing that the system is at 000 microns. This is not mine a buddy asked me to come with him on a job and show him how to use it and teach him about all this micron mumbo jumbo. Apparently it's only the second time out of the case and the first time on a system.
For some reason I learn more with my mouth shut
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05-10-2012, 07:31 AM #2
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Isn't under 499 a reading of nothing? 1000..... 500...... 000
If You Can Dodge A Wrench You Can Dodge A Ball
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05-10-2012, 09:30 AM #3
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Really? That would not be very useful.
Originally Posted by itsiceman
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05-10-2012, 12:52 PM #4
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Yea after twenty minute vac with cores in threw manifold with a line set that was open in his truck for who knows how long. And it held at 0 for fifteen minutes without budging for some reason I don't believe it was accurate
For some reason I learn more with my mouth shut
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