9. Test Depth of Hole Before Probe
Insertion
• Reintroduce the auger carefully with the drill switched off.
• Push the auger until the top end of the flight is level with the hole of the tripod.
If the auger will not go down to this level, give the auger a quick spin to take up the soil at the bottom of the
hole, then stop the drill, remove it from the hole carefully and clean it once again.
Important: Repeat the process until you can fully insert the auger without spinning into the hole. Only then is
the hole ready to accept the probe.
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