Pyromation T82 - Manual (Page 73)

T82 Operating menu and parameter description
73
User input Depends on the selected sensor type and the assignment of the current output (PV).
Factory settings -200 °C
Sensor trimming upper value
Navigation Expert ® Sensor ® Sensor n ® Sensor trimming ® Sensor trimming upper value
Prerequisite The User trim settings option is enabled in the Sensor trimming parameter.
Description Upper point for linear characteristic calibration (this affects offset and slope).
User input Depends on the selected sensor type and the assignment of the current output (PV).
Factory settings 850 °C
Sensor trimming min span
Navigation Expert ® Sensor ® Sensor n ® Sensor trimming ® Sensor trimming min span
Prerequisite The User trim settings option is enabled in the Sensor trimming parameter.
Description Use this function to view the minimum possible span between the sensor trimming upper and
lower value.
"Linearization" submenu
Procedure for configuring a linearization using Callendar/Van Dusen coefficients from a
calibration certificate.
1. Start
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2. Assign current output (PV) = set sensor 1 (measured value)
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3. Select unit (°C).
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4. Select the sensor type (linearization type) "RTD platinum (Callendar/Van Dusen)".
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5. Select type of connection e.g. 3-wire.
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6. Set the lower and upper sensor limits.
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7. Enter the four coefficients A, B, C and R0.
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