Glove Box
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(Difference between revisions)
(Created page with "Category:Manuals '''Please read these instructions before using the Glove Box, and log every operation in the Glove Box history''' ==Normal operation== ===Checking bef...") |
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* Circulator and water cooling is running. Never press Regeneration button on the panel. | * Circulator and water cooling is running. Never press Regeneration button on the panel. | ||
| - | * Box pressure is 3-8 mbar, | + | * Box pressure is 3-8 mbar, O<sub>2</sub>, H<sub>2</sub>O levels are below 0.1 ppm. If not, do not work!!! Report to Feri, 30-452-4705 |
* Check pressure in Ar bottle-station. If below 10 bar, change bottle. PURGE!!! | * Check pressure in Ar bottle-station. If below 10 bar, change bottle. PURGE!!! | ||
* Turn on the vacuum pump before use, wait until end vacuum goes to below < 0.1 mbar (indicator is on the Leybold station) | * Turn on the vacuum pump before use, wait until end vacuum goes to below < 0.1 mbar (indicator is on the Leybold station) | ||
| Line 29: | Line 29: | ||
* Both Chambers are closed from in-outside | * Both Chambers are closed from in-outside | ||
* Chambers are pumped out to vacuum (< 0.1 mbar) and closed from pump, i.e. both chamber valves are in the close position. | * Chambers are pumped out to vacuum (< 0.1 mbar) and closed from pump, i.e. both chamber valves are in the close position. | ||
| - | * Check | + | * Check O<sub>2</sub>, H<sub>2</sub>O levels. If not below 0.5 ppm, note the time it takes to go down. |
* Switch off the vacuum pump if you do not use it for a day at least. | * Switch off the vacuum pump if you do not use it for a day at least. | ||
| - | ==Regeneration (if | + | ==Regeneration (if O<sub>2</sub> or H<sub>2</sub>O level does not go below 0.1 ppm after 1 day without use)== |
* Secure all important samples into chambers, pump the chambers out, close. | * Secure all important samples into chambers, pump the chambers out, close. | ||
* Switch off Circulator | * Switch off Circulator | ||
| - | * set 0.3 bar on Ar- | + | * set 0.3 bar on Ar-H<sub>2</sub> |
* turn on Regeneration, process cannot be stopped! | * turn on Regeneration, process cannot be stopped! | ||
| - | * 1/2 bottle (100 bar) of Ar- | + | * 1/2 bottle (100 bar) of Ar-H<sub>2</sub> per regeneration is needed |
* Status can be monitored by clicking on the absorbent and checking "Status" | * Status can be monitored by clicking on the absorbent and checking "Status" | ||
==Regular service:== | ==Regular service:== | ||
| - | * | + | *H<sub>2</sub>O sensor clean: 2-3 months |
*Gloves: every second year or when worn out. Small leaks *around mounting ring. Change glove Orings as well. | *Gloves: every second year or when worn out. Small leaks *around mounting ring. Change glove Orings as well. | ||
*Particle filters: once per year | *Particle filters: once per year | ||
*Small-large antechamber orings: when looks worn out (after cc. 3 years) | *Small-large antechamber orings: when looks worn out (after cc. 3 years) | ||
Revision as of 22:09, 30 January 2011
Please read these instructions before using the Glove Box, and log every operation in the Glove Box history
Contents |
Normal operation
Checking before the work, also check daily when box is unused
- Circulator and water cooling is running. Never press Regeneration button on the panel.
- Box pressure is 3-8 mbar, O2, H2O levels are below 0.1 ppm. If not, do not work!!! Report to Feri, 30-452-4705
- Check pressure in Ar bottle-station. If below 10 bar, change bottle. PURGE!!!
- Turn on the vacuum pump before use, wait until end vacuum goes to below < 0.1 mbar (indicator is on the Leybold station)
Working
- check if inner door of both antechambers are closed
- fill up the used chamber from box (keep a slight 50-100 mbar pressure under the box, this prevents that residual air in the otherwise evacuated antechamber goes into the box)
- open chamber door. NEVER TOUCH the inside with pure hands, use gloves.
- place sample close to inner end. Never put in solvents except with very low vapor pressure (max. oils or vacuum grease). Samples in containers should be a bit opened!
- Be careful with the black valve handle, experience shows that if not gently handled it will leak!
- Evacuate to < 0.1 mbar (2 min. for small, 10 min for large chamber). Refill/repump twice to 500 mbar (max to 950 mbar, this prevents that residual air in the otherwise evacuated antechamber goes into the box). (Total: 6 min for small, 30 min for large chamber).
- Use gloves with talc. Use a shirt with a LONG SLEEVE. Use talc on naked arms. Remove rings, watches, bracelets, piercings etc.
- Go inside slowly so that box reacts the pressure change. Same for coming out.
Leave box after work:
- Always close inner doors. Careful, only the handle part of the small chamber door should be touched. Glove can be hurt!!!
- Switch off light
- Both Chambers are closed from in-outside
- Chambers are pumped out to vacuum (< 0.1 mbar) and closed from pump, i.e. both chamber valves are in the close position.
- Check O2, H2O levels. If not below 0.5 ppm, note the time it takes to go down.
- Switch off the vacuum pump if you do not use it for a day at least.
Regeneration (if O2 or H2O level does not go below 0.1 ppm after 1 day without use)
- Secure all important samples into chambers, pump the chambers out, close.
- Switch off Circulator
- set 0.3 bar on Ar-H2
- turn on Regeneration, process cannot be stopped!
- 1/2 bottle (100 bar) of Ar-H2 per regeneration is needed
- Status can be monitored by clicking on the absorbent and checking "Status"
Regular service:
- H2O sensor clean: 2-3 months
- Gloves: every second year or when worn out. Small leaks *around mounting ring. Change glove Orings as well.
- Particle filters: once per year
- Small-large antechamber orings: when looks worn out (after cc. 3 years)
