16. Calibration

     Select the sensor to be calibrated.
      -- DP Calibration: Calibration of the
         differential pressure sensor
      -- PP Calibration: Calibration of the
         static pressure sensor
      -- PT Calibration: Calibration of the
         process temperature sensor
     After selection of a sensor, the output
     will automatically change to the output
     of the sensor being adjusted.
     PT Calibration is not valid if the
     measured gas is saturated steam.