User manual
iv
7.3.2 Access Cover (Optional) ..............................................................................19
7.3.3 Probe Basket ................................................................................................19
7.3.4 Stir Bar ..........................................................................................................20
7.3.5 Tank Extender (Optional) ..............................................................................20
8 General Operation ..................................................................21
8.1 Switching to 230V Operation .................................................................. 21
8.2 Bath Fluid ............................................................................................... 21
8.2.1 Temperature Range .......................................................................................21
8.2.2 Viscosity ........................................................................................................22
8.2.3 Speciļ¬c Heat .................................................................................................22
8.2.4 Thermal Conductivity ....................................................................................22
8.2.5 Thermal Expansion........................................................................................22
8.2.6 Electrical Resistivity .......................................................................................22
8.2.7 Fluid Lifetime .................................................................................................23
8.2.8 Safety ............................................................................................................23
8.2.9 Cost ...............................................................................................................23
8.2.10 Commonly Used Fluids .................................................................................23
8.2.10.1 Water (Distilled) ................................................................................................... 24
8.2.10.2 Mineral Oil ............................................................................................................ 24
8.2.10.3 Silicone Oil (Dow Corning 200.10, 200.20) .......................................................... 24
8.2.11 Fluid Characteristics Charts ..........................................................................24
8.2.11.1 Limitations and Disclaimer .................................................................................. 25
8.2.11.2 About the Graph .................................................................................................. 26
8.3 Stirring .................................................................................................... 27
8.4 Power ...................................................................................................... 28
8.5 Heater ..................................................................................................... 28
8.6 Fluid Drain ............................................................................................... 28
8.7 Temperature Controller .......................................................................... 28
9 Controller Operation ..............................................................31
9.1 Well Temperature ................................................................................... 31
9.2 Temperature Set-point ........................................................................... 31
9.2.1 Programmable Set-points ............................................................................31
9.2.2 Set-point Value .............................................................................................33
9.2.3 Temperature Scale Units ..............................................................................33
9.3 Scan ....................................................................................................... 34
9.3.1 Scan Control .................................................................................................34
9.3.2 Scan Rate .....................................................................................................34
9.4 Temperature Display Hold ..................................................................... 35