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 HOBOware User’s Guide Alarms
Alarm Types
There are two types of HOBOnode alarms: • Sensor Alarms You can configure alarms to be notified if a sensor reading is out of a configured range. See Adding a Sensor Alarm (page 275). • System Alarms Missing Node (page 278) ‐ You can configure an alarm to notify you if a node has not connected to the receiver within a specified length of time. Heartbeat (page 280) ‐ You can configure HOBOnode Manager to periodically notify you that the receiver is active and communicating with nodes. Low Battery ‐ You can set up an alarm to trip when battery gets low in a node or router. Alarm Notification
You can set up Alarm Actions to be notified of alarm conditions by email, text message, or by an audio or visual alarm in HOBOnode Manager. Before you can set up alarms with Email or Text notifications, you must set your Alarm Preferences (page 273). Sensor data is sent to the receiver periodically (based on the Connection Interval) and not continuously. Therefore, there is a delay between the time the alarm condition occurs and is recorded by the sensor and when you are alerted by any notifications you have configured. The default Connection Interval is 10 minutes. For critical applications, you may want to decrease the Connection Interval so that you are alerted to alarm conditions more frequently. See Changing the Logging Interval and Connection Interval (page 337). Monitoring Alarms
Once you have configured alarms, go to the Alarms window and click the Sensor pane to view tripped alarms. Use Alarm Actions to receive visual, audible, or email/text notification when an alarm trips. See Adding a Sensor Alarm (page 275). ‐ 239 ‐