01.
Project Location of Monitor During each monitoring event, Indicate on the diagrams below, the movement of the crack monitor. This should be done after the crack widths have been measured using the crack width gauge.
Fixing Instructions 1. Fix the Crack Monitor over the crack with the vertical zero line on the calibration scale parallel with the crack to be monitored. 2. Ensure that the numbers on the scale are positioned correctly. 3. Use screws and adhesive to fix 3. Remove the two pre-set pegs 4. If the crack opens or closes the cursor moves relative to the calibration scale. The opening or closing of the crack can then be recorded on the record sheet on the reverse of these instructions. Humboldt Mfg. Co.
