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Under the direction of the project engineer, loggers are secured in place within a structure
before it is poured. They are arranged so that the resin-encased sensor is within the concrete
placement and the logger wires are exposed, outside of the placement where they are accessi-
ble for connecting to the intelliRock III reader or wireless remote. A subsequent section of this
guide provides best practices for securing loggers within a structure.
Decoding Logger Part Numbers
The logger part number distinguishes one type of logger from another. While loggers for the
intelliRock III system are now standardized to log at one-minute intervals for up to 180 days, the
part number format for loggers remains consistent from previous generation intelliRock sys-
tems. Figure 1.10 shows how to interpret logger part numbers.
Figure 1.10: Interpreting intelliRock logger part number formats.
Logger Types
The part number prefix for maturity loggers is MAT. Two maturity methods are supported by
the intelliRock III system: the Nurse-Saul and Arrhenius method. Always consult with the proj-
ect engineer to determine which method to use. The method is selectable using the reader
during logger startup, which a later section of this guide will cover.
The part number prefix for temperature loggers is TPL. Temperature loggers will record data
and display readings in °C or °F as specified during logger setup.
Both types of loggers provide assurance of data integrity. After 60 minutes, intelliRock loggers
will record data in uninterruptible mode, and in a format that is unalterable.
