| Line 12 was replaced by lines 12-13 |
| - The furnace is back from repair at ''AS Scientific Products Ltd''. |
| + The furnace is back from repair at ''AS Scientific Products Ltd'' and |
| + operational. |
| Lines 14-15 were replaced by lines 15-16 |
| - replacement of the heater element. However, a repair will take |
| - a lot of time. |
| + replacement of the heater element. But even with this new design, |
| + a repair will take a lot of time. |
| Line 20 was replaced by lines 21-23 |
| - the appropriate max. power for the temperature range. |
| + the appropriate max. power for the temperature range. The pid values |
| + from a first test (values in parentheses) were not confirm in a later |
| + experiment. |
| Line 29 was replaced by line 32 |
| - | 500 ... 600| 158|50|1|5 |
| + | 500 ... 600| 158|(50)|(1)|5 |
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