> Pneumatic control accessories
Pneumatic control accessories
Dual regulator pneumatics accessory
TD equipment typically requires a supply of high-purity carrier gas (usually helium) and a supply of dry gas (either air or nitrogen). The dual regulator pneumatics accessory controls both these gas supplies immediately upstream of the TD system.
It consists of a high-quality stainless steel regulator (0–60 psig) for control of the carrier gas, and a standard regulator (0–100 psig) for control of the dry gas. Both lines also have on/off toggle valves.
Markes strongly recommends that all thermal desorbers are configured with a dual regulator pneumatics accessory.
Single regulator pneumatics accessory
The single regulator pneumatics accessory consists of a high-quality (stainless steel) regulator (0–60 psig) and an on/off toggle valve. 
It is recommended for use in the following configurations:
- Controlling purge gas supply on ULTRA-xr and TD100-xr autosamplers with internal standard functionality.
- Regulating the pressure of internal standard gas if no other appropriate regulation is supplied.
- Controlling the supply gas to the Micro-Chamber/Thermal Extractor, TC-20, and Calibration Standard Loading Rig.
Shop for Sampling Accessories
| U-GAS03 |
Single regulator (high purity gas) pneumatics accessory
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Call us for pricing or contact your local distributor |
| U-GAS01 |
Dual regulator (dry gas/carrier gas) pneumatics accessory
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Call us for pricing or contact your local distributor |
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