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71Damage from Overfilling your Liquid Nitrogen Dewar
Some of our customers have expressed concern over experiencing sudden vacuum loss to a few of their cryogenic dewars. These were returned to the factory and immediately leak checked. They were then revac'd...
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62Question and Answer Liquid Nitrogen Level
Q: The level is still reading 0 for a customer with an 1830 Eterne has 2 inches of LN2 on the bottom of the inner. And the temperature is also irregular and is not close to the 190C, why is this? ...
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72Liquid Nitrogen Storage Environments
Cryogenic Freezers: Liquid Nitrogen Storage Supply An ample supply of refrigerant must be maintained where liquid nitrogen (LN2) refrigeration is in work. At least three-day supply of liquid...
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47Question and Answer: Remote Alarm Contacts & Liquid Nitrogen Pressures
Remote alarm contacts Q. Please let us know whether the TEC-2000 have a volt-free contact? A. I suppose that they are inquiring whether it has dry alarm contacts, which normally...
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54Question and Answer: Cryogenic Freezers
Q. Can you tell me the reason why the lid switch was added to the 511? A. Effective June 04, the lid switch was added to the 511. For UL compliance it was added. We will begin applying the...
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51New Chart Literature Library
Chart’s Marketing Department is delighted to inform you of the launch of our new online Literature Library. Under the ‘Marketing Services’ category of the company website, Chart’s internal users...
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46Liquid Nitrogen Storage Inventory System
Inventory Systems To tracks the location and status of every sample in the Liquid Nitrogen Repository, an inventory system must be in place. Recommendation: Repositories should utilize a...
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45TEC-2000 Language
English is the language of the front panel to the TEC-2000 and Chart does not propose any other language options. The option to change display languages is not given by TEC-2000. Only language offered...
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57Biosafety
The biohazard safety requirements promulgated by governmental and laboratory (repository) accrediting organizations needs to be identified and are the likely sources of up-to-date information as to...
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46Power Supply Change in Interface Kit
The interface kit’s (10740221) original power supply was 10751166, and this was ceased by the supplier in 2000 February. When it was discontinued by the supplier, it was replaced by 10829461 through...
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