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Point adjustment, Last adjustment date – Vaisala HM70 User Manual

Page 67

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Chapter 12 ______________________________ Calibration and Adjustment of HM70 Series Probes

VAISALA _______________________________________________________________________ 65

2-Point Adjustment

Follow the steps from 1 to 4 and continue as follows:

5.

Select

2-point adjustment

. Press

SELECT

to continue.

6.

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

GRAPH

display.

7.

Press

READY

when the reading is stabilized. Give the lower

reference temperature by using the arrow buttons. Press

OK.

8.

Set the probe to the higher reference temperature. You can
follow the stabilization from the

GRAPH

display. Press

READY

when the reading is stabilized.

9.

Give the higher reference temperature by using the arrow
buttons. Press

OK.

10.

Confirm the adjustment, press

YES

. (By pressing

NO

you

return to adjustment mode display and no changes are made). If
the difference between two references is less than 30 ºC,
adjustment can not be done.

11.

Calibration is carried out. Press

BACK

to exit the adjustment

mode and

EXIT

to return to the basic display.

Last Adjustment Date

To see the last adjustment date, select

Last adjustment date.

You can

check this date also from the

Device information

, see page 27.