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Application |
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Avongard Tell-Tales consist of two plates which overlap for part of their
length. The bottom plate is calibrated in millimeters and the overlapping
plate is transparent and marked with a hairline cursor.
Record cards
available for each type of Tell-Tale.
Calibrated
in millimetres.
Manufactured
in vandal resistant polycarbonate (Plus) or acrylic (Standard).
Co-efficient
of thermal expansion: 7.0 x 10-5 cm/cm° Centigrade for temperatures
between –30° to +30°C
Manufactured
to conform to BS EN ISO 9002:199
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Standard Tell-Tale |
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Avongard standard tell-tale is a basic tell-tale for monitoring horizontal
and vertical movement across crack in a flat surface to an accuracy of 1.00
mm.
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Tell-Tale Plus |
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Avongard tell-tales plus are
for monitoring for monitoring horizontal and vertical movement across crack
in a flat surface to an accuracy of 1.00 mm with an option to use a digital
caliper for easy monitoring and to a higher accuracy of 0.1mm.
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Corner Tell-Tale Plus |
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Corner Tell-Tale Plus reconfigured so that cracks at the junction of
ceilings, walls and floors can be monitored. |
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Floor Tell-Tale Plus |
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The components of
the Corner Tell-Tale Plus can be reconfigured so that the cracks at the
junction of ceilings and walls or floors and walls can be monitored
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Displacement Tell-Tale Plus |
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A
Tell-Tale that monitors displacement and horizontal movement where there is
a ‘step’ across the crack due to displacement or ‘out of plane’ movement
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Stainless Steel Disc |
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Avongard
stainless steel monitoring disc is for use with caliper set.
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Avonmarks |
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Avonmarks is
to be read with caliper set.
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| * Click to download
datasheet [Avongard
Crackmeters] |
