1-10 of 36 Hubssort by Hot Best Latest
73Damage 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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62Current Good Manufacturing Practices (cGMP) for Liquid Nitrogen Storage
cGMP are regulatory guiding principles that ought to be interpreted by the repository to be in accord with its circumstances. For larger, corporate repositories, this cGMP may be more relevant, but academic...
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57Question and Answer: Freezer Fill Fail
Q: A new freezer had failed to fill and it is equipped with new dual solenoid valves from Alcon. When called for, the LN2 would not flow. We found what looked like defective coils-very low magnetic field -...
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71Question 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? A: Until level is above the level sensor...
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52Question 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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52New 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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50Cryogenic 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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55Question and Answer: Cryogenic Freezers 2
Q. Please let me know how the gas by-pass can be disconnected. A. The bypass is nothing but a plug and play option. The bypass cycle will happen if the TEC-2000 spots a bypass sensor...
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52Newly designed front panel for TEC-2000
The new front panel of the TEC-2000, with the international symbols has been noticed, by our customers. For our MDD of CE units they are required in Europe. I am attaching a symbol description manual for...
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47Cryogenic Tank Switcher
A part number 10995355 for the power supply is given in the tank switcher manual. It was changed from this because the switcher needed CE approval for Europe and this power supply did test satisfactorily...
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