CONCRETE MOISTURE ENCOUNTER X5 USER GUIDE
27
3. Please refer to the period of time as specified by
the standard being followed for the duration of
the test. The user should always refer to national
standard guidelines for definitive and current
procedures and specifications.
4. When the time period has elapsed, check
that meter readings do not drift by more
than 1% RH over a 5 min period. Ensure the
readings correspond with the floor covering/
adhesive manufacturers' or national standard
recommendations before applying floor covering.
e.g. British standards code of practice BS8203
suggests that a concrete floor should be
sufficiently dry to allow installation of a resilient
floor covering when the measured relative
humidity falls to 75% or lower using the insulated
impermeable box/hood method as specified in the
above standard.
Use of artificial aids for accelerated drying of
concrete is not recommended. If they are being
used it is recommended that they be turned off
at least 96 hours before taking final readings.
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