DESCRIPTION
2-1
MODEL SD-302
The Model SD-302 is a Low Temperature/High Temperature Test Chamber which has 2 cubic
feet of working volume. The SD-302 is designed to generate and control low and high
temperature environments in the range of -65°C to +200°C (-85°F to +392°F)
For temperature control, it incorporates an all solid state microprocessor programmer which
features +/- ¼°C (+/- ½°F) temperature control stability at the sensor. Fast response nichrome
type heaters on ceramic cores are used to raise the temperature and a two stage cascade
mechanical refrigeration system lowers the temperature.
The chamber also has a high temperature failsafe to prevent the temperature from exceeding a
preset limit.
The power requirements are 120V 1PH 60HZ. These requirements are noted on the model
nameplate located on the back of the chamber. If a contradiction exists, follow the power
requirements on this nameplate.
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