Vaisala DRYCAP DM70 Guia do Utilizador descarregar pdf (Página 77)

Chapter 9 _______________________________________ Calibration, Adjustment, and Maintenance

Two-Point Adjustment

1. After selecting 2-point adjustment, press Select to

continue.

2. Set the probe to a lower reference temperature. You can follow

the stabilization from the graphical display by pressing

Graph. When the reading has stabilized, press Ready.

3. Use the arrow buttons to give the lower reference temperature

value and then press OK.

4. Set the probe to a higher reference temperature. You can follow

the stabilization from the graphical display by pressing

Graph. When the reading has stabilized, press

Ready.

5. Use the arrow buttons to give the higher reference temperature

value and then press OK.

6. Confirm the adjustment by pressing Yes. (If you press

No, the adjustment mode display returns and no changes are

made.) The adjustment has been completed.

NOTE

If the difference between the two references is less than

30 ˚C, the adjustment cannot be done.

7. To exit the adjustment mode, press Back.

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

Temperature Adjustment of

DMT340 Series Using DM70

DM70 can be used for making the temperature adjustment of

DMT340 series transmitters.

To make dewpoint adjustment of DMT340, follow the six first steps

below and then continue according to the chosen adjustment method:

1. Turn off DM70.

2. Connect the cable 211339 between DMT340 (service port) and

DM70 (connector I or II). Turn on both the devices.

3. Press the ADJ button on the DMT340 motherboard to enable the

adjustment mode.

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Vaisala DRYCAP DM70 Guia do Utilizador Página 77