1.
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 monitoring spigots on the HC-2937 are pointed down are on the right side of the crack. 3. Use screws and adhesive to fix 4. Remove the four pre-set pegs 5. If the crack opens or closes the cursor moves relative to the calibration scale.