Plus Tell-Tale
Back to Avongard Tell-Tales
The Avongard Plus Tell-Tale is a precision gauge, consisting of two plates which overlap for a part of their length.
The bottom plate is calibrated in millimetres and the top plate is transparent and marked with a hairline cursor in the form of a cross.
The Plus Tell-Tale allows monitoring of horizontal movement of +/- 25mm and vertical movement of +/- 10mm. It also features spigots for use with calipers for precision measurement to 0.1mm.
- Fix using Screws and/or epoxy (not included but available as accessories)
- Supplied with full instructions and Crack Monitoring Record Sheet
Plus Tell-Tale
Monitoring Cracks to +/- 1.0 mm accuracy
As the crack opens, or if vertical movement occurs, the cursor moves relative to the calibrated scale. The opening or closing of the crack is then recorded on the crack record sheet supplied.
Monitoring Cracks to +/- 0.1 mm accuracy
For more accurate monitoring, calipers can be used to measure the distances between the monitoring spigots. The distance between the spigots is then recorded on the crack record sheet supplied.
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