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TB-3089 April 2021
© 2021 DESCO INDUSTRIES INC
Employee Owned
Important Points About Taking Measurements
Grounding
This product requires a ground connection. Do not use this product without grounding it.
Accurate measurements require a reliable ground connection.
If the meter contacts or is too close to a large, charged body, there is the
danger of an electrical discharge. This may cause a breakdown of the
device.
Preparation
1. Insert the battery.
Remove the battery case cover and insert
two AA batteries. Replace the cover.
NOTE
•
If you are using the optional AC
adapter, remove the rubber cap
from the adapter terminal before
attaching the AC adapter.
2. Connect the ground cord to the
ground terminal. Connect the
opposite end to ground.
Connect the ground cord securely to the
terminal, and connect its alligator clip to a
grounded object. Accurate measurements
required a reliable ground connection.
