The device uses one CR2032 battery. The LED flashes red to indicate a low battery level after two revolutions.
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Locate the circular battery cover
on the back of the sensor.
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Twist the cover counter-clockwise until the marker points to unlocked and the cover is loose enough to remove.
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Remove the cover and the battery
.
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Wait 30 seconds.
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Insert the new battery into the cover, observing polarity.
NOTE:
Do not damage or lose the O-ring gasket.
-
Twist the cover clockwise until the marker points to locked.
NOTE:
The LED flashes red and green for a few seconds after battery replacement. When the LED flashes green and then stops flashing, the device is active and ready to send data.
