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Gas Samplers

The Welker Composite Gas Sampler, with its patented Vanishing ChamberĀ® collection head, is used to determine the quality of a flowing stream. Welker Composite Gas Samplers are the only samplers capable of purging themselves 100% prior to sample collection regardless of gas quality. Welker Sampling Systems set the industry standard for accurate and repeatable measurement. The sampler interfaces with any metering system, is as accurate as any on-line analyzer and costs only one-fourth as much.

Gas Samplers
Composite Gas Sampler - Vanishing Chamber
Heated Gas Sampler
Micro Purge Gas Sampler
Probe Mounted Gas Sampler

Sample Conditioning System
Gas Sampling Spec Sheet (PDF)

Options & Accessories
Fluid Sentinel Sample Conditioning System