Fluke 7341 User Manual page 4

Calibration bath
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7341
Users Guide
7
8
9
Parts and Controls .............................................................................. 7-1
Front Control Panel ............................................................................................ 7-3
Back Panel ......................................................................................................... 7-3
Fluid Expansion Reservoir ................................................................................. 7-3
General Operation ............................................................................... 8-1
Heat Transfer Fluid ............................................................................................ 8-3
Temperature Range ....................................................................................... 8-3
Viscosity ........................................................................................................ 8-3
Specific Heat ................................................................................................. 8-3
Thermal Conductivity .................................................................................... 8-3
Thermal Expansion ........................................................................................ 8-3
Electrical Resistivity ...................................................................................... 8-4
Fluid Lifetime ................................................................................................ 8-4
Safety ............................................................................................................. 8-4
Cost ................................................................................................................ 8-5
Commonly Used Fluids ................................................................................. 8-5
Water ......................................................................................................... 8-5
Ethylene Glycol ......................................................................................... 8-5
Mineral Oil ................................................................................................ 8-5
Silicone Oil ............................................................................................... 8-6
Fluid Characteristics Charts........................................................................... 8-6
Limitations and Disclaimer ....................................................................... 8-6
About the Chart ......................................................................................... 8-8
Stirring ............................................................................................................... 8-10
Power ................................................................................................................. 8-10
Heater ................................................................................................................. 8-10
Temperature Controller ...................................................................................... 8-10
Refrigeration ...................................................................................................... 8-11
Controller Operation ........................................................................... 9-1
Bath Temperature .............................................................................................. 9-3
Reset Cutout ....................................................................................................... 9-3
Temperature Set-point ....................................................................................... 9-5
Programmable Set-points .............................................................................. 9-5
Set-point Value .............................................................................................. 9-5
Set-point Vernier ........................................................................................... 9-6
Scan .................................................................................................................... 9-6
Scan Control .................................................................................................. 9-6
lScan Rate ...................................................................................................... 9-6
Temperature Scale Units .................................................................................... 9-7
Ramp and Soak Program ................................................................................... 9-7
Number of Program Set-points ...................................................................... 9-7
Set-points ....................................................................................................... 9-8
Program Soak Time ....................................................................................... 9-8
Program Function Mode ................................................................................ 9-8
Program Control ............................................................................................ 9-9
Secondary Menu ................................................................................................ 9-9
Heater Power ...................................................................................................... 9-9
Proportional Band .............................................................................................. 9-10
Cutout ................................................................................................................ 9-12
Controller Configuration .................................................................................... 9-13
Probe Parameters ............................................................................................... 9-13
R0 .................................................................................................................. 9-13
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