Number of Items:1 Tell-Tales are precision gauges uses to monitor movement of a crack, horizontal or vertically on a flat surface. The monitor that consist of two plates which overlap for a part of their length. The bottom plate is calibrated in millimeters and the top plate is transparent and marked with a hairline cursor in the form of a cross. The two pegs are removed. As the crack opens, or closes, the cursor moves relative to the calibration scale. The opening or closing of the crack is then recorded on the crack record sheet supplied.
N**N
Just what we needed:
Just what we needed for a project. It was an old church next door to a demolition project. We want to make sure they don't ruin our building as they fill their hole back up.
N**T
Wish fasteners were included
It’s working fine but it would help if fasteners were included.
A**R
Perfect
This was the perfect solution to monitor the crack in basement wall. Easy to install. Great customer support too!
Trustpilot
2 weeks ago
3 weeks ago