14
L
OCATING
REINFORCEMENT
BARS
5 LOCATING REINFORCEMENT BARS
This section describes how to set up and use your Covermeter to locate reinforcement bars.
5.1 Before you start
• Are you using the correct search head?
See “Search heads” on page 25.
5.2 To locate a single layer of reinforcement bars
1. Connect the search head to the Covermeter.
2. Switch on the Covermeter.
3. Ensure the instrument is set to Cover mode
m
.
MENU / INSTRUMENT MODE / COVER
4. Zero the Covermeter.
5. Adjust sensitivity - see “Adjusting sensitivity” on page 22.
6. Align the search head parallel to the reinforcement bars being sought.
7. Maintain the alignment of the search head and move the search head across the search area
(Figure 9).
Figure 9. Align search head and scan across bars
When the search head is approaching a reinforcement bar:
• The Covermeter will start to emit a sound which will increase in pitch as the search head
moves closer to the bar.
• The signal strength indicator bar on the display will increase in length.
m. ‘Instrument mode’ - available on Elcometer 331 Model BH only.
331.book Page 14 Thursday, March 12, 2009 9:51 PM
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