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1.3.3
1.3.4
Copyright © 2010 ACR Systems Inc. All Rights Reserved.
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Troubleshooting
If you are getting what appear to be wrong readings, consider the following before recalibrating
the sensors. Sensors sample the atmosphere (or medium) only in the immediate vicinity of
the sensors themselves. The physical state of the atmosphere and its degree of uniformity
and turbulence will limit the validity of a measurement at some distance from the sensor. This
becomes especially apparent for the measurement of ambient temperature and relative
humidity.
In a room, temperature and RH levels may vary dramatically from location to location. Such
factors as air stratification, drafts, and proximity to heat or humidity sources (people,
equipment, moisture, solar gain, etc.) can contribute to a wide variance in conditions even
within a small, confined area. The individual sensors associated with your TRH-1000 measure
and record temperature and RH only in one location. They do not, in any way, represent an
overall reading.
Relative Humidity Calibration
If your TRH-1000 is supplied with a calibration certificate it will include calibration values.
These calibration values must be entered in and stored in the logger. If your RH sensor is out
of calibration check these values against the values in the logger to make sure they are the
same.
www.
TRH Data Loggers
information@itm.com
.com
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