25
Step 5
Step 2
Battery cover
Temperature &
humidity sensor
Step 3
ڦ
The temperature & humidity sensor unit is a consumable.
(Replacement is approx 2 years each)
When the sensor life has been exceeded or condensation is
present on the sensor, an abnormal value may be displayed.
Step 1 Turn of the AD-1687. Remove the protector.
Step 2 Push the side of the battery cover to
release hook and open it.
Step 3 Insert two new batteries with
the positive (
+
) and negative (
-
)
terminals properly aligned with
the corresponding symbols in the
battery compartment.
Step 4 Close the battery cover.
Step 5 In case of replacing the temperature & humidity sensor
unit, slide it out and replace with new one.
Summary of Contents for AD-1687
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