26
SKF TKTI 21 & 31
4.3.6 Alarms and Isotherms
Figure 28 Alarms and Isotherms
Select Setup->Alarms to show the Alarms dialog box.
A visible and/or audible alarm is triggered when an object is the scene will have a lower
or higher temperature than the one set in the alarm setting. All pixels above or below this
temperature will change to the colour as set in Alarm Colour.
When the Alarm Colour is set to None, only the audible alarm will be heard.
When using alarms with Area measurements, the selected measurement mode, Min, Max
or Average will have to meet or exceed the set temperature in order to trigger the alarm.
• Temp Alarm: Select Off to disable the alarm function and On to enable the alarm
function.
• Alarm Type: Choose High for the Alarm to be triggered when the temperature goes
over the set limit. Choose Low for the Alarm to be triggered when the temperature
goes below the set limit.
• Set Alarm Temp.: Sets the alarm detection temperature
• Alarm Colour: Selects the colour in which the alarming pixels are displayed.
If set to None, no changes are made to the screen’s colour.
• Isotherm Colour: Activates the Isotherm display by showing the part of the image in
the set temperature range in the chosen colour.
• Isotherm Temp: Sets the centre temperature of the isotherm.
• Isotherm Width: Sets the width of the displayed Isotherm band.
For example, if Isotherm Temp is set to 50 °C (122 °F) and Isotherm Width is
set to 1 °C, the isotherm band will be from 49,5 °C (121.5 °F) to 50,5 °C (122.5 °F).