| 1. Why does calibration seem to be off? |
- What is the tolerance of the unit it is being compared to?
- It''s ok if the reading(s) are within the sum of the two tolerances.
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| 2. Can the HT200/220/225 be used in an autoclave or incubator? |
- Yes, this logger is perfect for both applications.
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| 3. Why won't the logger communicate? |
- Is the correct version of software being used?
Version 15.5 or higher is required. Please contact customer service if correct version of software is being used and unit still does not communicate. - Make sure the battery is good.
- Make sure the USB cable is not physically defective. Try another cable.
- Make sure that "USB" is selected under File>Preferences>Communications.
- Try another available USB port.
- If this is the first time attempting to communicate on this PC, or if new software or programs have been installed since the data logger was last used, try installing the software on another PC.
- Make sure the logger gets to room temperature if it was just removed from a hot or cold environment.
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| 4. Why does my downloaded data show a -414 reading? |
- You will see a -414 reading if the battery was removed at any time, this marks the point at which logging was resumed once the battery was replaced.
Note: If the logger is dropped on a hard surface, it may temporarily lose the battery connection resulting in a -414 reading. This will not affect other logged data.
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| 5. Will I lose any logged data when replacing the battery? |
| No |
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| 6. Why does the downloaded data show a future date? |
| The logger may not have been cleared prior to use. Please clear the logger before placing the unit in service. |
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| 7. The o-ring came loose. |
| If the o-ring on the USB/Probe end comes out, simply reinsert the o-ring as far into the case as possible and screw in the probe cap. The cap will push the o-ring back into position. |
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