Vaisala Indigo200 - Page 45

6. Start the low point output test with the Output low point button. The analog channel
starts to send the low point test output (1 V in this example).
7. After the low point test output has stabilized, check the multimeter reading. Enter the
reading of the multimeter in the Measured value, low point field.
8. Start the high point output test with the Output high point button. The analog channel
starts to send the high point test output (10 V in this example).
9. After the high point test output has stabilized, check the multimeter reading. Enter the
reading of the multimeter in the Measured value, high point field.
10. Select Activate adjustment to save the corrections to the output level.
The corrections are shown in the Low point oset and High point oset fields.
11. To verify that the output level of the transmitter is now accurate, repeat the low point and
high point output tests and check that the multimeter reading matches the test output.
The adjustment date and information about the adjustment can be entered in the
Calibration date and Calibration text fields.
12. Disable the adjustment mode with the Adjustment mode on/o selection and select
Close to exit the calibration mode.
13. Switch o the power supply, remove the multimeter wiring and replace the analog output
wiring.
14. After completing the wiring, close the transmitter cover and switch on the power supply.
Chapter 7 – Calibration and adjustment
45