The 'easy' solution for finding tendon ducts and 'hidden' layers of rebar using a simple and reliable detection method. Using the Elcometer Protovale 331 Covermeter, identify an area between the first layers of rebar - allowing you to drill a hole with a large enough diameter to fit the shaft of the Elcometer Borehole Probe. The Elcometer Borehole Probe is then carefully pushed into the hole and information about the 'hidden' reinforcement, either (a) to the side of, or (b) in front of, the end of the probe, can be determined - see diagram. By rotating the probe and selecting the forwards or sideways sensing mode, reinforcement lying below the first layer of rebar can be quickly located. By increasing the depth of the hole (if possible), and re-inserting the probe as necessary, the operator can quickly find steel rebars or tendon ducts deep within the concrete. |
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APPROXIMATE DETECTION RANGES TO THE SIDE AND IN FRONT OF THE BOREHOLE PROBE |
Steel Object |
Probe Orientation :(a) on left above and (b) on right) |
Tendon Duct - 70mm Dia. |
side of the probe (a): 60mm |
in front of probe (b): 90mm |
Reinforcement Bar |
side of the probe (a): 45mm |
in front of probe (b): 60mm |
Measurement Length |
Metric |
Shaft Marking |
every 1cm |
Short Probe |
0 – 40cm |
Shaft Diameter |
16mm |
Long Probe |
0 - 100cm |
Optimum Hole Dia. |
20mm |
Model |
Description |
Part Number |
Borehole Probe (Short) |
Elcometer Borehole Probe: Short Version |
TW33119223-1 |
Borehole Probe (Long) |
Elcometer Borehole Probe : Long Version |
TW33119223-2 |
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