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65Question 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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66Damage 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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54Cryogenic Power Supply Change
The power supply, normally supplied by MDC, has been changed over to the Jerome transformer as published at the beginning of the year. The change out to Jerome is relatively painless as the MDC supply...
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67Liquid 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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52Question 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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48Folding Step for the 1520 HE and more
All 1520HE series cryogenic freezers will now be equipped with a 2-tier folding step; similar to the one used on the 1830HE series, effective from February. The lift-over height of the 1520 HE series is...
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50New 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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46Cryogenic Power Supply Notice
All non-cabinet freezers have been completely integrated to a Jerome power supply by Chart. MDC power supplies for stand-alone units are not existing any longer (10883169 and 10883177). When ordering...
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50TEC-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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49Question 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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