BT2 user manual - H-5911-9004-02-B Page | 36
The serial number of the probe is engraved on the side of the rod adaptor.
The nose cone at the bottom end of the probe houses the batteries and should be unscrewed for transportation or
for changing the batteries.
The Boretrak2 probe is ruggedised but should be handled with due care to best protect the calibrated sensors inside
the housing.
6.1.1 Probe power
The Boretrak2 probe is powered by three, size “D” (LR20) rechargeable batteries. With each Boretrak2 system,
Carlson supplies 10,000mAh Ni-MH rechargeable Ansmann batteries as shown below. These particular batteries
have been extensively tested in the Boretrak2 probe and are strongly recommended for use in all field operations.
Ensure the batteries are fully charged prior to each day’s survey operations.
These batteries are contained in the removable nose cone that is screwed onto the bottom end of the probe.
Insert the batteries into the nose cone, ensuring that the positive terminals are facing the open end, as shown in
Figure 35. Screw the nose cone onto the main probe using hand pressure only. The nose cone must be fully screwed
home to ensure a watertight seal.
Figure 35 Positive battery terminals face out
Figure 34 Supplied rechargeable batteries
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