Cr300 Series Maintenance; Data Logger Calibration - Campbell CR300 Series Product Manual

21. CR300 series maintenance

Protect the data logger from humidity and moisture. When humidity levels reach the dewpoint,
condensation occurs, and damage to data logger electronics can result. Adequate desiccant
should be placed in instrumentation enclosure to provide protection, and control humidity.
Desiccant should be changed periodically.
If sending the data logger to Campbell Scientific for calibration or repair, consult first with
Campbell Scientific. If the data logger is malfunctioning, be prepared to perform some
troubleshooting procedures. See:
Tips and troubleshooting (p. 168)
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Does Your Data Logger Need to be Repaired
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Troubleshooting Data Acquisition System
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Also, consider checking, or posting your question to, the Campbell Scientific user forum
https://www.campbellsci.com.au/forum
additional manuals (with example programs), FAQs, specifications and compatibility information
for all of our products.
Video tutorials www.campbellsci.com.au/videos
www.campbellsci.com.au/blog
If calibration or repair is needed, the procedure shown on: https://www.campbellsci.com.au/repair
should be followed when sending the product.

21.1 Data logger calibration

Campbell Scientific recommends factory recalibration every three years. During calibration, all
the input terminals, peripheral and communications ports, operating system, and memory areas
are checked; and the internal battery is replaced. The data logger is checked to ensure that all
hardware operates within published specifications before it is returned. To request recalibration
for a product, see https://www.campbellsci.com.au/repair
It is recommended that you maintain a level of calibration appropriate to the data logger
application. Consider the following factors when setting a calibration schedule:
The importance of the measurements
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How long the data logger will be used
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Blog
Blog
. Our web site
and blog articles
are also useful troubleshooting resources.
www.campbellsci.com.au
.
21. CR300 series maintenance 161
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