
User's Guide _______________________________________________________________________
156 __________________________________________________________________ M210704EN-G
Adjusting Dewpoint T
d/f
Before adjusting dewpoint, first carry out the two-point relative humidity
adjustment, which will ensure the basic adjustment level. After that,
continue with the actual T
d/f
adjustment.
Two-Point Relative Humidity Adjustment
using Display/Keypad
For DMT340 M-sensor, the humidity references of 0 % (for example
Nitrogen) and 10 ... 20 % are required.
NOTE
-sensor both reference humidities must be below
%RH.
To make the adjustment, follow the instructions below. Use preferably
the display keypad and let the display information guide you through the
two-point RH adjustment process.
1. Press the Adjustment button ADJ on the motherboard inside the
transmitter to enable adjustments.
2. Select Adjust Td measurement, press the ►arrow button.
3. Select 2-point RH adjustment, press Start. Press OK to perform
purge of point 1.
0706-018
Figure 81 Starting the Adjustment
0706-019
Figure 82 Performing Purge
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