Perma Pure offers a wide variety of GASS (Gass Analysis Sampling Systems) incorporating Nafion dryers. The systems are typically recommended by our Applications Specialists based on the following criteria:
- Flow rate of the sample gas being conditioned,
- Whether the dryer / sample preparation stage needs to be heated
- Whether clean, dry instrument air is available for the system to be used as a purge gas or to drive other components in the system
- What the chemical components of the sample stream are and what level of filtration is needed
- Whether an Ammonia Scrubber is required to remove excess ammonia
- Whether the unit is wall mounted for continuous operation or portable for intermittent use by stack testers / laboratories
Given these variables, we offer the following systems:
- GASS 2040 / GASS 6000 )
- up to 25 liters per minute (lpm) with dual 24″ PD Dryers
- very wet gases (up to 70% vol water)
- Heated zone
- particulate / acid filter
- ammonia scrubber
- With blowback, stack-mounted with probe or wall mounted
- For instrument air
- Mini-GASS 1228
- up to 5 liters per minute (lpm) with one 12″ PD Dryer
- Heated zone
- particulate / acid filter
- ammonia scrubber
- With blowback, stack-mounted with probe or wall-mounted
- For instrument air
- Portable version available for stack testers / laboratory applications
- IndiGASS
- up to 5 liters per minute (lpm) with one 12″ PD Dryer
- Heated zone
- particulate / acid filter
- No ammonia scrubber option
- No blowback option
- Stack-mounted with probe or wall mounted
- For instrument air
- ReadiGASS – up to 5 lpm, no clean instrument air available
- up to 5 liters per minute (lpm) with one 12″ PD Dryer
- Heated zone
- particulate / acid filter
- No ammonia scrubber option
- No blowback option
- Stack-mounted with probe or wall mounted
- No instrument air required – a unique
- Micro-GASS
- up to 1 liter per minute (lpm) with one 24″ MD-070 Dryer
- particulate filter
- No ammonia scrubber option
- Wall mounted
- For electro-chemical sensors, primarily to remove moisture in the sample gas so that it does not condense on the sensor
- ACES –
- Ambient temperature only – no heatung
- 1 lpm, using reflux vacuum (no instrument air).