See also DEMEC and
Cracks occur in most buildings and civil engineering structures. Monitoring the changes in crack width is an important diagnostic technique for determining the cause and specifying the remedial work.
Crack Width Gauge
THE CRACK WIDTH GAUGE IS SPECIFICALLY DESIGNED TO ASSIST THOSE WHO SURVEY AND REPORT ON DAMAGED BUILDINGS
- Quick and easy measurement.
- Supplied in an ever ready case.
- Manufactured in rigid durable acrylic.
- Calibrated to edge scale which simplifies crack measurement in corners and awkward locations.
Tell-Tale Crack Monitor
- Internal or external use
- Monitors the opening or closing of a crack to an accuracy of 1.00mm
- Capable of monitoring vertical as well as horizontal movements.
- Crack record cards supplied with each Tell-Tale simplifies monitoring.
Tell-Tale PLUS Crack Monitor
- Internal or external use.
- Monitors the opening or closing of a crack to an accuracy of 1.0mm.
- Capable of monitoring vertical as well as horizontal movement.
- Crack record cards supplied with each Tell-Tale simplifies Monitoring.
- Monitoring Spigots incorporated in the Tell-Tale enable exact measurements to ±0.1mm with calipers (see below)
- Increased horizontal monitoring range to ±25mm.
- Manufactured in vandal resistant polycarbonate.
- Fixing slots and "extra grip" surface.
Corner Tell-Tale Plus
MONITORS CRACKS IN CORNERS
USE SINGLY TO MONITOR TWO DIMENSIONAL MOVEMENT
USE IN PAIRS TO MONITOR THREE DIMENSIONAL MOVEMENR
MAY BE USED IN INTERNAL OR EXTERNAL CORNERS
THE TEL-TALE IS HINGED ENABLING IT TO BE USED IN INTERNAL CORNERS WITH ANGLES FROM 70 TO 180 DEGREES
Digital Electronic Caliper
- Calibrated to 0.01mm and 0.0005ins
- Caliper can be set at zero at any position
- Fully portable.
- Operating temperature range 0°C to 40°C
Calibrated to 0.02mm and 0.001ins
Calibrated to 0.05mm
Each Caliper is Supplied in a Plastic Case
- 100 6.3mm diameter stainless steel monitoring discs
- 10 Avonmarks
- 1 pack of plastic padding
- Crack record cards to simplify monitoring
- Digital and Dial calipers supplied in hard durable case
- Crack width gauge