| Model | Temperature & Humidity range | Inside / Outside dimensions *（mm） |
| HSH-221 | -20 to 150C （-4 to +302F） / 30 to 95%rh | W300xH300xD250 / W440xH630xD695 |
| HSH-241 | -40 to 150C （-40 to +302F） / 30 to 95%rh |
| HSH-261 | -60 to 150C （-76 to +302F） / 30 to 95%rh | W300xH300xD250 / W440xH690xD785 |
| HSH-641 | -40 to 150C （-40 to +302F） / 30 to 95%rh | W400xH400xD400 / W540xH730xD920 |
| HSH-661 | -60 to 150C （-76 to +302F） / 30 to 95%rh |
| HSU-221 | -20 to 150C （-4 to +302F） | W300xH300xD250 / W440xH560xD695 |
| HSU-241 | -40 to 150C （-40 to +302F） |
| HSU-261 | -60 to 150C （-76 to +302F） | W300xH300xD250 / W440xH690xD785 |
| HSU-641 | -40 to 150C （-40 to +302F） | W400xH400xD400 / W540xH730xD920 |
| HSU-661 | -60 to 150C （-76 to +302F） |
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