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false high test results

#10
Easy solution, pour concrete using glass as the aggregate and you'll be able to see the bottom of the hole. Tongue

Realistically, and correct me if I am wrong Jason, dust is bad for several reasons. Lots of dust can pack in around the sensor, keep the probe from reaching the bottom of the hole, and take up airspace. We'd have to think about if the dust were completely dried out from the drilling process and it sits in the bottom of the hole, it would act as a sponge (BOB!!) that could conceivable affect readings, for sure in the short term.

The proper procedure is to vac the hole, scrub it with a wire brush, vac and repeat until the hole is clean. Clean = no dust.
JD Grafton
Concrete Answers for Flooring Problems
[email protected]
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Messages In This Thread
false high test results - eaadams - 10-25-2011, 08:57 PM
RE: false high test results - rapidrhrep - 10-26-2011, 11:10 AM
RE: false high test results - eaadams - 10-26-2011, 12:11 PM
RE: false high test results - Ernesto - 10-26-2011, 04:47 PM
RE: false high test results - eaadams - 10-26-2011, 05:21 PM
RE: false high test results - rapidrhrep - 10-26-2011, 07:05 PM
RE: false high test results - eaadams - 10-26-2011, 07:11 PM
RE: false high test results - Ernesto - 10-26-2011, 07:17 PM
RE: false high test results - eaadams - 10-26-2011, 09:43 PM
RE: false high test results - CC Solutions - 10-28-2011, 11:47 AM
RE: false high test results - Ernesto - 10-28-2011, 02:03 PM
RE: false high test results - CC Solutions - 10-28-2011, 02:12 PM

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