Key facts
- Brand
- MARKES
- Model
- UNITY 2
- Documents
- 3
- Languages
- EN
- Last added
- 2012-07-05
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MARKES UNITY 2 Air Server Series 2 Operators Manual
The Air Server Series 2 is an accessory for the UNITY 2 Thermal Desorber that extends the compatible sample range to include whole air and gas samples, such as those from canisters or Tedlar bags. It connects to the UNITY 2 via inert switching valves and link tubing, allowing for the quantitative sampling and retention of volatiles ranging from acetylene to n-C4.
Read onlineMARKES UNITY 2 specifications
| Minimum CPU | 400MHz Pentium |
|---|---|
| Minimum RAM | 64 MB |
| Minimum Free Disk Space | 20 MB |
| Operating System | Windows 95, 98, ME, 2000, NT4, XP (32-bit) and Vista (32-bit) |
| Minimum Resolution | 800x600 |
| Power Consumption | 650 W |
| Transfer Line Length | 1 m |
| Transfer Line ID | 0.25 mm |
All MARKES UNITY 2 documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What are the minimum computer specifications for UNITY 2 control?
The minimum requirements are a 400MHz Pentium CPU, 64 MB RAM, and 20 MB free disk space.
What operating systems are compatible with UNITY 2?
Compatible operating systems include Windows 95, 98, ME, 2000, NT4, XP (32-bit), and Vista (32-bit).
What carrier gases are supported?
The system supports Helium (He), Hydrogen (H2), and Nitrogen (N2) as carrier gases.
Is a pump required for low pressure samples?
Yes, if the sample pressure is low (below 10 psi), atmospheric, or just below atmospheric, a pump is required to pull the gas-phase sample through the system.
What are the key benefits of Thermal Desorption over solvent extraction?
Thermal desorption offers typically 1000-fold enhancement in sensitivity, greatly enhanced recovery (>95%), reusable sample tubes, no toxic solvent required and reduced analytical interference.
From: Markes International UNITY 2 Thermal Desorber Product Brochure
Does the UNITY 2 support cryogen-free operation?
Yes, it uses electrically-cooled sorbent trapping to -30°C which eliminates ice plug formation and reduces running costs.
From: Markes International UNITY 2 Thermal Desorber Product Brochure