Fitting Search Heads; Identifying Search Heads - Elcometer 331 SH Operating Instructions Manual

G
ETTING STARTED

3.2 Fitting search heads

The Covermeter must be switched off when search heads are fitted or removed.
Connect the search head to the Covermeter using the supplied connecting cable. The connecting
cable is fitted with a metal screw-type connector at each end. To fit a connector, align the keyway,
push the connector into place and then tighten the metal collar.
A range of search heads is available for your Covermeter - see "Search heads" on page 55 for full
details. The search head icon on the reading screen indicates the type of search head connected
to the Covermeter:
Narrow pitch
Standard
Deep cover
Borehole probe - set to forward-looking operation
Borehole probe - set to sideways-looking operation
The Covermeter must be zeroed after a search head has been fitted and after changing between
high-tensile and stainless modes - the display will show PLEASE ZERO and the ZERO softkey will
flash to remind you.
The metal and plastic bracket on the outside of the main unit is a storage clip for standard and
narrow pitch search heads. The bracket provides a convenient place to store the search head while
the Covermeter is not in use.

3.3 Identifying search heads

The four search head types are one of two physical sizes. The Narrow Pitch and Standard heads
are in a small package which fits in the rails on the top of the instrument. The Deep Cover and THD
6
R
Figure 4. Search head storage clip