How to choose a constant temperature and humidity test chamber correctly？

A: What is the temperature and humidity range you need for your experiment?
(When purchasing a test chamber, many people opt for a slightly wider range than
what is strictly required for the experiment, leaving some room for future
use.)

B: What is the weight of the test sample, and how many layers should it be
placed in

C: Size of the studio (standardly speaking, it should be 3/1 larger than the
object you are testing)

D: Does the controller configuration require programming instruments or
ordinary instruments (I also need to ask about the control accuracy and display
accuracy of the instruments)

E: Regarding testing, you can request to conduct testing and calibration at a
quality testing institution recognized in your local area or the country where
the manufacturer is located

F: As for the price, you need to determine it through communication with the
manufacturer

A constant temperature test chamber capable of controlling both temperature
and humidity within a specified temperature range. The constant temperature and
humidity test chamber I use is for conducting drug stability tests, requiring
temperature control accuracy of ±0.5 degrees and humidity control of ±3%. It is
particularly required to have a continuous recorder. Such requirements are the
minimum for a constant temperature and humidity test chamber, but in actual
testing, few manufacturers' equipment meets the standards.

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