Crackmeter "Tell-Tails" for small cracks, 2-pack
The Tell-Tails crackmeter is a simple two-piece gauge for monitoring small cracks: the two sections are fixed to either side of a crack and any relative movement between them shows as displacement of the cross-hairs. Self-adhesive pads on the rear allow quick, tool-free installation, and two crackmeters are supplied per box.
- Supplied as
- Two crackmeters per box
- Mounting
- Self adhesive pads for easy installation
- Alternative fixing
- Both halves can be drilled and fixed with screws on an uneven or wet surface
$78.00
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Overview
In detail
How it works
The tell-tale crackmeter consists of two individual sections that are fixed to either side of a crack. The cross-hairs of the smaller section are aligned in a central position on the horizontal and vertical axis, so any movement can easily be identified as displacement from this position. A log of the movement should be kept and regularly recorded; plotting it gives an accurate representation of displacement with time.
Installation options
Self-adhesive pads on the rear of the tell-tale allow for quick and easy installation. Alternatively, both halves can be drilled and fixed with screws on an uneven or wet surface. Where drilling is not appropriate, Geosystems can supply an epoxy glue that adheres to rock or porous shotcrete between temperature ranges of 4-60 degrees Celsius.
Applications
Common applications are on dwellings, walls, tunnels, bridges, dams, and other civil and mining infrastructure. The design is compact, rugged and durable, and easy to read and log.
Reach out and say hi
Specifications
Technical specifications
- Supplied as
- Two crackmeters per box
- Mounting
- Self adhesive pads for easy installation
- Alternative fixing
- Both halves can be drilled and fixed with screws on an uneven or wet surface
- Optional epoxy adhesion temperature range
- 4-60 degree Celsius
- Dimensions
- 4 × 4 × 1 cm
- Weight
- 0.07 kg
Related
Often specified alongside
ESS Earth
Resistance Wire Extensometer RWE
- Application
- Underground hard rock and coal mine displacement monitoring
- Monitoring points
- Pillars, stope walls, roof
Geosystems
JM Series Vibrating Wire Jointmeter
- Range
- 25, 50, 100, 150, 200, 250, 300 mm (200/250/300 mm not available for JM-E)
- Accuracy
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