Lake Shore 321-01 User Manual
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Contents
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Lake Shore Model 321 Autotuning Temperature Controller User’s ManualOperation 3-33.2 THERMOMETRY FUNCTIONSThe following front panel keyboard function are related to the thermometry or temperature controlaspects of the Model 321.Function ParagraphInput Type ........................ 3.2.1Units................................. 3.2.2Temp. Compensation ...... 3.2.3Display Filter .................... 3.2.4Curve ............................... 3.2.5SoftCal ............................. 3.2.63.2.1 Input TypeThe Input Type button has been included to permit the user to ascertain the internal DIP switchsetting configuration that determines the type of sensor input. When first configured at the factory, theModel number will correspond the type of sensor to be used with the controller. A Model 321-01 willdisplay the following message.A Model 321-02 will display the following message.A Model 321-04 will display the following message.The Input Type display is for information only; no user changes are available. The display will remainvisible for 3 seconds and then will return to the normal display.In addition to showing input sensor type, pressing and holding Input Type has the function of turningthe Display Filter on or off. Refer to Paragraph 3.2.4. For thermocouple units only, the extra InputType display is Temperature Compensation. Refer to Paragraph 3.2.3.3.2.2 UnitsThe Units button gives a slightly different display depending on the sensor input and model number.All three models permit selection of temperature displays in kelvin (K) or degrees Celsius (°C). Thedifference is in the selection of sensor output. For the silicon diode used with the Model 321-01, theadditional units selection is Volts (V). Refer to Paragraph 3.2.2.1. For the platinum resistor used withthe Model 321-02, the additional units selection is ohms (Ω). Refer to Paragraph 3.2.2.2. For thethermocouple used with the Model 321-04, the additional units selection is millivolts (mV). Refer toParagraph 3.2.2.3. Units in K is the default for all models. |
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