Fluke Thermalert 4.0 User Manual page 8

List of Figures
Figure Page
Figure 1-1: Available Models ................................................................................................................................ 17
Figure 2-1: Dimensions for the 2-Wire and 6-Wire Model ..................................................................................... 23
Figure 2-2: Dimensions for the 12-Wire Model ..................................................................................................... 23
Figure 4-1: One Earth Ground at the Sensor (left) or at the Power Supply (right)................................................. 26
Figure 4-2: Principle of the Galvanic Isolation for the 6-Wire Model ..................................................................... 27
Figure 4-3: Principle of the Galvanic Isolation for the 12-Wire Model ................................................................... 27
Figure 5-1: Proper Sensor Placement ................................................................................................................... 28
Figure 5-2: Acceptable Sensor Viewing Angles .................................................................................................... 29
Figure 5-3: Rear Panel for 2-Wire Sensor ............................................................................................................. 29
Figure 5-4: Principle Circuit Diagram: Infrared Sensor with Multiple Loads .......................................................... 33
Figure 5-5: Equivalent Circuit Diagram: Infrared Sensor with Multiple Loads ....................................................... 34
Figure 5-6: Principle Circuit Diagram: Infrared Sensor with Multiple Loads .......................................................... 35
Figure 5-7: Exemplary Wiring the Alarm Output AL for the 2-Wire Sensor ........................................................... 35
Figure 5-8: Rear Panel for 6-Wire Sensor ............................................................................................................. 36
Figure 5-9: Wiring Analog Out as Current Output ................................................................................................. 37
Figure 5-10: Wiring Analog Out as Voltage Output ............................................................................................... 37
Figure 5-11: DIN Connector Pin Layout (pin side) ................................................................................................ 37
Figure 5-12: Adjustment of Emissivity at FTC1 Input (Example) ........................................................................... 38
Figure 5-13: Principle of Background Temperature Compensation ...................................................................... 39
Figure 5-14: Adjustment of Background Temperature Compensation at FTC2 Input (Example) .......................... 40
Figure 5-15: Wiring the Trigger Input .................................................................................................................... 40
Figure 5-16: Resetting the Peak Hold Function .................................................................................................... 40
Figure 5-17: Holding the Output Temperature ...................................................................................................... 41
Figure 5-18: Spike Voltage Limitation for the Alarm Relay .................................................................................... 41
Figure 5-19: Wiring Analog Out as Current Output ............................................................................................... 42
Figure 5-20: Wiring Analog Out as Voltage Output ............................................................................................... 42
Figure 6-1: Network in Linear Topology (daisy chain) ........................................................................................... 43
Figure 6-2: Wiring RS485 Communication for 6-Wire Model ................................................................................ 44
Figure 6-3: Wiring RS485 Communication for 12-Wire Model .............................................................................. 44
Figure 6-4: Wiring the Sensor's RS485 Interface with USB/RS485 Converter in 2-Wire Mode ............................ 45
Figure 6-5: Wiring the Multiple Sensors via RS485 Interface with USB/RS485 Converter in 2-Wire Mode .......... 45
Figure 7-1: Laser Indication .................................................................................................................................. 46
Figure 7-2: Averaging ........................................................................................................................................... 47
Figure 7-3: Peak Hold ........................................................................................................................................... 47
Figure 7-4: Valley Hold ......................................................................................................................................... 48
Figure 7-5: Advanced Peak Hold .......................................................................................................................... 48
Figure 7-6: Advanced Peak Hold with Averaging .................................................................................................. 49
Figure 8-1: High Temp Cable (12-Wire) ................................................................................................................ 51
Figure 8-2: Low Temp Cable (12-Wire) ................................................................................................................. 53
Figure 8-3: Terminal Block with Wire Color Assignment ....................................................................................... 55
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