Vaisala DRYCAP DM70 Guía de usuario descargar pdf (Pagina 70)

USER'S GUIDE____________________________________________________________________

7. To select the adjustment method, press Adjust.

8. Select 2-point adjustment and press Select. Then press

OK to continue.

9. Set the probe to a lower reference value of relative humidity

You can follow the stabilization from the graph display by

pressing Graph. When the reading has stabilized, press

Ready.

10. Use the arrow buttons to give the lower reference value of

relative humidity. Then press OK.

11. Set the probe to a higher reference value of relative humidity

When the reading has stabilized, press

Ready. You can follow the stabilization from the graph

display by pressing Graph.

12. Use arrow buttons to give the higher reference value of relative

humidity. Then press OK.

13. Confirm the adjustment by pressing Yes. If you press No,

the adjustment display returns and no changes are made.

NOTE

DMP74A: If the difference between the two references is less than 30

%, the adjustment cannot be done.

14. Now the adjustment is completed. To exit the adjustment mode,

press Back.

15. To return to the basic display, press Exit.

16. If you do not continue with the dewpoint adjustment, place the

screw back onto the calibration button.

1) If there is a temperature difference between the generated reference

and the probe temperature, relative humidity must be calculated to

correspond to the temperature of the probe.

Two-Point Relative Humidity Adjustment of

DMT340 Series Transmitters Using DM70

DM70 can be used for making the two-point relative humidity

adjustment of DMT340 series transmitters.

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Vaisala DRYCAP DM70 Guía de usuario Pagina 70