Amazon Monitron is no longer open to new customers. Existing customers can continue to use the service as normal. For capabilities similar to Amazon Monitron, see our [blog post](https://aws.amazon.com/blogs/machine-learning/maintain-access-and-consider-alternatives-for-amazon-monitron).

# Taking a one-time measurement
<a name="anom-take-measure"></a>

In addition to viewing the measurements that a sensor normally makes, you can take a one-time measurement with a sensor at any time.

**Important**  
You can only take a sensor meaurement using the Amazon Monitron mobile app. Both admins and technicians can take this action.

**Topics**
+ [To take a one-time measurement (mobile app only)](#take-measure)

## To take a one-time measurement (mobile app only)
<a name="take-measure"></a>

1. From the Amazon Monitron mobile app, select your project.  
![\[Amazon Monitron mobile app interface showing Projects page with one Test_Project listed.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-1.png)

1. From the Amazon Monitron projects menu, select **Assets** .  
![\[Menu options in a project interface, with "Assets" highlighted in orange.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-2.png)

1. From the list of assets, choose the asset that is paired to the sensor whose measurement you want to take.  
![\[Assets page showing one example asset for Site 1 with options to add or find assets.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-3.png)

1. Then, select the sensor you want to take the measurement with.  
![\[Asset management interface showing Example_Asset with offline and maintenance status.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-4.png)

1. On the sensor page, from **Sensor details**, choose **Actions**.  
![\[Sensor details page showing offline status, battery level, and firmware version with Actions dropdown.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-5.png)

1. From **Actions**, choose **Take measurement**.  
![\[Mobile app interface showing sensor details with "Take measurement" option highlighted.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-6.png)

1. Hold your smartphone close to the sensor.  
![\[Smartphone screen showing "Ready to Scan" with an icon of a phone near a sensor.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measurement-7.png)![\[Smartphone screen showing "Ready to Scan" with an icon of a phone near a sensor.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/sensor-measure.png)

1. When the measurement has been taken, move your smartphone away from the sensor.  
![\[Dialog box showing successful measurement initiation and instruction to remove phone.\]](http://docs.aws.amazon.com/Monitron/latest/user-guide/images/measure-success.png)

   The new measurement is added to the data that the sensor has already collected.