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Maintain Sensor Devices
SNS Temperature and Humidity Sensors require very little maintenance. This section contains the
following topic:
•
Replace Batteries in Battery-powered Sensor Devices
Replace Batteries in Battery-powered Sensor Devices
Battery-powered sensors use two AA batteries. Batteries are located inside the sensor device
(Model SNS2TNS-2, Figure 4; Model SNS2TPH-2, Figure 12) or in an externally accessible battery
compartment (Model SNS2TPS-2, Figure 5). When replacing batteries, it is important to reset the
battery meter.
Resetting the Battery Meter
1. Turn off the sensor. Make sure the USB Programming Cable is disconnected from the sensor.
2. Engage the service button by either pressing the service button or using a magnet with some
sensors.
3. Turn the sensor on while the service button is engaged.
4. Wait four seconds.
5. Release the service button. The battery meter has been reset.
To confirm that the battery meter has been reset, reconnect the USB Programming Cable to the
sensor and view the estimated battery life in the battery sensor configuration utility Status tab. The
utility should indicate 100 %.
NOTE:
When replacing the batteries in a dual battery SNS sensor always make sure you
replace both batteries together.
Primex Wireless, Inc.
SNS™ Temperature and Humidity Sensors Installation Guide
49
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