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intelliRock® III– Operating Instructions Guide
HOW TO DEVELOP A CALIBRATION CURVE
Reference ASTM C 1074 8.1-8.7
A suggested method for developing maturity calibration curve is to cast a minimum of 17 cylinders from a
specified trial batch prior to placing on site concrete. These 17 cylinders will be cast and cured in
accordance with standard procedures for curing specimen cylinders. Two of these 17 cylinders will have
intelliRock maturity loggers placed in them and activated.
IMPORTANT NOTE: All 17 test cylinders must be cured TOGETHER and in the same way:
Embed the intelliRock maturity logger directly in the center of the cylinder. Cure the cylinders per
specifications.
IMPORTANT NOTE: Be sure to activate the intelliRock maturity loggers when cylinders are cast!
To activate loggers follow the procedure below:
1. Attach the leads from the embedded intelliRock maturity logger to the reader.
2. Select F2: Start Logging
3. Select F2: (NONE) or follow the menu instructions to enter the Job Name
4. Select F2: (NONE) or follow the menu instructions to enter a Location Name
5. Press the ‘ENTER’ key to accept the Datum temperature of 0.
6. The logger will return to the main menu. An ‘R’ will display in the upper right hand corner
indicating that the logger is running.
7. You can now disconnect the logger.
