Problem Cause Solution
Slow Response
Free water in system
Wrongly sized or incorrect
material in sample lines
Check drain & inspection ports in the main system &
sample pipe work.
Refer to installation section of this manual & ensure
sample tube material & flow rates are as
recommended.
Dry Reading
Autocal wrongly set
Comparison with Secondary
Instrument or Calibration Gas
Re adjust autocal as described in this manual. If this
does not cure problem replace sensor & return original
for calibration.
Re adjust autocal as described in this manual. If this
does not cure problem re-calibration of the system is
recommended.
Constant Reading
Condensation in Sample
System
Condensation will occur if the temperature of the
sample system or main pipe, at any point is below
(colder) than the DP temperature of the sample gas.
Once having formed, the sample reaching the sensor
will have a DP equal to the temperature of the
condensate, regardless of the DP at the sample point
dewTEC DS2000 User’s Manual Page 21
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