List of Figures
xiii
List of Figures
Figure 1: The Front Panel of the 146 Instrument.................................................................... 21
Figure 2: Preferred Method.................................................................................................... 26
Figure 3: Alternate Method To Use When Cable Clamp is Not Available.............................. 26
Figure 4: Rear Panel of the 146 Unit ..................................................................................... 27
Figure 5: Model Code ........................................................................................................... 28
Figure 6: Front Panel Dimensions ......................................................................................... 31
Figure 7: Top Dimensions ..................................................................................................... 31
Figure 8: Side Dimensions .................................................................................................... 32
Figure 9: Opening the Type 146 Unit .................................................................................... 34
Figure 10: Fastening Screw Positions .................................................................................... 35
Figure 11: Front Panel of the Type 146 Instrument................................................................ 39
Figure 12: Full LCD Display................................................................................................. 43
Figure 13: Explanation of the Front Panel Display................................................................. 44
Figure 14: Labels on the 146 Unit ......................................................................................... 46
Figure 15: Dual Pirani Board Connectors .............................................................................. 52
Figure 16: Jumper Placement on the Pirani/Convection Board............................................... 52
Figure 17: Jumper Placement on the Hot Cathode Board ....................................................... 58
Figure 18: Top Fastening Screw on the Dual Thermocouple Board........................................ 61
Figure 19: Jumper Placement on the Thermocouple Board .................................................... 61
Figure 20: Jumper Placement on the Control Board............................................................... 72
Figure 21: Sample Display for Each Mode ............................................................................ 78
Figure 22: Relay B during an Alarm Condition, when configured as a Deactuated Relay....... 86
Figure 23: Relay B during an Alarm Condition, when configured as an Actuated Relay ........ 87
Figure 24: The Front of a Displayless 146 Unit ..................................................................... 98
Figure 25: Normal Mode Display .......................................................................................... 101
Figure 26: Software Version Number in Normal Mode.......................................................... 103
Figure 27: Dual Channel Display in Normal Mode ................................................................ 105
Figure 28: Zeroing a Sensor .................................................................................................. 108
Figure 29: Spanning a Pirani-Type Sensor............................................................................. 113
Figure 30: Spanning a Sensor with a Reference ..................................................................... 115
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