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Display/keypad commands, Setting the pressure for calculations, Section – Vaisala HMT360N User Manual

Page 50: Setting the

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User's Guide ______________________________________________________________________

48 __________________________________________________________________ M210744EN-C

5: Output quantities

Determines whether the output units are metric (down) on non-metric.

6, 7 and 8: Select output quantities

With the three DIP switches on the right, you can select the output
quantities according to the table printed on the right side of the
protective cover. Note that only the ordered quantities can be selected.
The special option gives you the choice of setting any ordered quantity
to each channel.

Display/Keypad Commands

Setting the Pressure for Calculations

In dewpoint transmitters, the process pressure in the measurement point
is required to achieve the specified accuracy.

To modify the pressure settings, turn the internal Calibration Enabled/
Disabled
DIP switch of the transmitter to position Enabled (up). Press
button C on the display cover: text "SCAL" appears on the display.
Then press button E until the following display appears (the numeric
value is always the existing setting, in this example 1.0):

0505-087

Adjust the pressure reading with buttons Up and Dn. Acknowledge the
value with button E. To complete the pressure setting, turn the dip
switch back to position disabled (down).

NOTE

Always restore the DIP switch settings after having tested the analog
outputs or performing the calibration.

NOTE

Chapter 6, Calibration and Adjustment, on page 63

describes

separately display/keypad commands for calibration and adjustment.