Table Of Contents - RayTek Thermalert ET Series Operator's Manual

1.0 DESCRIPTION .....................................................................................................1-1
1.1 Specifications .......................................................................................................1-3
1.1.1 Optical................................................................................................................1-3
1.1.2 Output Ranges..................................................................................................1-4
1.1.3 Operational .......................................................................................................1-5
1.1.4 Electrical ............................................................................................................1-5
1.1.5 Physical..............................................................................................................1-6
2.0 INSTALLATION...................................................................................................2-1
2.1 Preparation...........................................................................................................2-1
2.1.1 Distance and Spot Size ....................................................................................2-1
2.1.2 Ambient Temperature......................................................................................2-2
2.1.3 Atmospheric Quality .......................................................................................2-2
2.1.4 Electrical Interference ......................................................................................2-2
2.1.5 Wiring ................................................................................................................2-3
2.1.6 Multiple Sensors...............................................................................................2-3
2.2 Mechanical Installation ......................................................................................2-4
2.2.1 Sensor (standard) .............................................................................................2-4
2.2.2 Sensor (Air/Water-Cooled Housing)............................................................2-5
2.2.3 Air Purge Collar ...............................................................................................2-5
2.2.4 ThermoJacket....................................................................................................2-6
2.2.5 Right Angle Mirror ..........................................................................................2-7
2.2.6 Sighting Viewer Tool........................................................................................2-7
2.3 Electrical Installation ..........................................................................................2-8
2.3.1 Thermocouple Output Models.......................................................................2-9
2.3.2 Current Output Models.................................................................................2-10
3.0 OPERATION..........................................................................................................3-1
3.1 Theory of Operation ...........................................................................................3-1
3.2 Controls ................................................................................................................3-2
3.2.1 Temperature Range..........................................................................................3-3
3.2.2 Emissivity Setting.............................................................................................3-4
3.2.3 Peak Hold..........................................................................................................3-4
3.2.4 Averaging Filter................................................................................................3-4
Thermalert ET Series Operator's Manual

Table of Contents

Table of Contents