Mobotix MX-M16B Mobotix M16 Camera User Manual

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132

M16 Camera Manual: Operating The Camera

events now include the Thermal Radiometry event type, which can be used to trigger

alarms if specic temperature changes in the image are detected.

Using this event type, you can create up to 20 event proles, each dening a measurement

window within the image area. For every measurement window, you can set a minimum

range and a trigger value and you can decide if the event should trigger if the temperature

exceeds or drops below the specied value. The minimum range sets the number of pixels

in the measurement window, which need to have a higher or lower temperature than the

trigger value in order to trigger an event. To congure the new event type,. open the Setup

Menu > Event Control > Event Overview dialog in the Environment Events section.

Notes

• You can only use events of the type Thermal Radiometry if the sensor is running

linear mode

. To use this mode, open Setup Menu > Image Settings > Thermal

Sensor Settings and activate the Linear Mode option. Note that this has already

been set for sensors with TR technology as factory default.

• If you want to use MxActivitySensor on sensors with TR technology, it is recom

mended to set the value range of the measured temperatures in the Setup Menu >

Image Settings > Thermal Sensor Settings dialog to

Small (high sensitivity)

Important Notes on Temperature Measurement

The temperatures of objects in the image measured by thermal sensors is strongly

inuenced by the following factors (among others):

• Surface texture and color of the objects

• Distance between objects and the sensor

• Atmosphere between objects and the sensor

Depending on the distance and the scene, dierent temperature values for the same

object can be observed. In order to determine the proper trigger value, you can use the

new variables $(SEN.TTR.CELSIUS) and $(SEN.TTR.FAHRENHEIT) (see

Using

Variables

in the camera’s online help).

For further information on conguring and using thermal sensors, please see the online

help of the camera in the Setup Menu section under

Thermal Sensor Settings

and

Events

based on environment measurements

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Mobotix MX-M16B AllroundDual Camera Body