- Available ISO Ratings: ISO 7, ISO 8
- Smart humidity controller provides automatic setpoint control and datalogging for glove box
- Nitrogen purge control maintains user-speciffied sub-ambient RH set-point down to 0% ±1.5% RH
- Variable-purge system uses high/low flow settings to conserve nitrogen
- High-flow also activates when doors are opened for fast, effective purge of particles and moisture
- Programmable logic gives user complete control over warning alarms and other system functions
Glovebox Accessories,Glovebox Accessories
1603-PP-02
1603-PP-02 74895
IsoDry® Humidity Controllers for Gloveboxes
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Manufactured By: Terra Universal
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Summary
- Available ISO Ratings: ISO 7, ISO 8
- Smart humidity controller provides automatic setpoint control and datalogging for glove box
- Nitrogen purge control maintains user-speciffied sub-ambient RH set-point down to 0% ±1.5% RH
- Variable-purge system uses high/low flow settings to conserve nitrogen
- High-flow also activates when doors are opened for fast, effective purge of particles and moisture
- Programmable logic gives user complete control over warning alarms and other system functions
- Terra Universal's IsoDry® Dual Purge™ and NitroWatch™ work together to fully automate moisture control inside a desiccator, glove box or similar enclosure.
- How Dual Purge™ Works:
- The Dual Purge™ is a variable gas-purge system that switches between "high-flow" and "low-flow" to efficiently and effectively remove particles/moisture in the enclosure.
- Without NitroWatch™, the Dual Purge™ does not sense or display RH%. It uses a pressure sensors to initiate high-flow if the chamber pressure falls below a user-specified value.
- The "high-flow" activates for a user-specified interval before switching back to an adjustable "low-flow" setting to conserve nitrogen gas.
- During normal operation, with all doors closed, the system maintains an economical "low-flow" of nitrogen to ensure a constant positive pressure - just enough to block out moisture and contaminants.
- The Dual Purge™ also displays internal pressure inside the glovebox, and includes an alarm that activates if the incoming gas line pressure is ever interrupted (for instance if the supply from a nitrogen cylinder is depleted).
- How NitroWatch™ Works:
- NitroWatch™ upgrades your Dual Purge™, working in tandem to precisely and automatically control the flow of nitrogen and maintains a preset humidity level (from ambient to 0% ± 1.5% RH), no matter how operating conditions may change.
- The NitroWatch™ module requires connection to the Dual Purge™, plus a humidity sensor which is mounted inside the enclosure.
- When the RH climbs above set-point level, NitroWatch™ triggers Dual Purge™ to activate high-flow to accelerate moisture removal.
- When the RH set-point is reached, NitroWatch™ triggers Dual Purge™ to revert from high-flow to low-flow nitrogen gas supply to maintain the set-point and conserve nitrogen.
- The NitroWatch™ is available in 2 configurations:
- Smart® NitroWatch™ includes temperature sensing and built-in data logging (.CSV file downloadable to a USB flash drive, no software required).
- Standard NitroWatch™ does not include temperature sensing or data logging.
- Application Note: The NitroWatch™ sensor provides an exact %RH reading in one chamber only. For applications that require greater accuracy and control, Terra's DewWatch™ measures moisture volumes down to 0.5 PPM.
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