MercuryiTC
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4.5 Configuring the heater control loop ............................................................................... 46
4.5.1
Configuring manual heater control ........................................................................................ 46
4.5.2
Configuring automatic heater control .................................................................................... 46
4.6 Changing a temperature set point in automatic control ................................................. 48
4.7 Using the sweep function ............................................................................................. 49
4.7.1
The purpose of the sweep function ....................................................................................... 49
4.7.2
Using the sweep function ...................................................................................................... 49
4.7.3
Loading a sweep ................................................................................................................... 51
4.7.4
Starting a sweep ................................................................................................................... 51
4.7.5
Stopping a sweep ................................................................................................................. 52
4.8 Using the ramp function ................................................................................................ 52
4.8.1
The purpose of the ramp function ......................................................................................... 52
4.8.2
Using the ramp function ........................................................................................................ 52
4.8.3
Starting a ramp ..................................................................................................................... 53
4.8.4
To disable ramp mode .......................................................................................................... 53
4.9 Configuring a gas valve ................................................................................................ 54
4.9.1
Configuring manual control of the gas valve ......................................................................... 56
4.9.2
Configuring automatic control of the gas valve ..................................................................... 56
4.9.3
Changing a gas flow set point ............................................................................................... 58
4.10 Using a generic calibration-file .................................................................................. 58
4.10.1
Overview ............................................................................................................................... 58
4.10.2
Adjusting a generic calibration file ........................................................................................ 59
4.11 Types of temperature sensor .................................................................................... 60
4.11.1
Thermocouples ..................................................................................................................... 60
4.11.2
Metallic resistance thermometers (positive temperature coefficient) .................................... 61
4.11.3
Semiconductor resistance thermometers (negative temperature coefficient) ...................... 61
4.11.4
Semiconductor diodes .......................................................................................................... 61
4.11.5
Excitation current .................................................................................................................. 61
4.11.6
Calibration for different sensors ............................................................................................ 62
4.11.7
Available generic calibration files .......................................................................................... 64
4.12 More about thermocouples ....................................................................................... 65
4.12.1
Thermocouple principles ....................................................................................................... 65
4.12.2
Configuring for thermocouples .............................................................................................. 65
4.12.3
Reference junction compensation ........................................................................................ 67
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