Featured Calibration & Specialty Gas Products


Welker: Supplier Highlight

Welker is an experienced manufacturer serving the energy and other industries.  With 80+ patents, Welker offers products and solutions for applications in sampling, conditioning, filtering, regulation, injection, containers, and control.

Constant Pressure Cylinders
Sampling Regulators, Valves & Probes
Sample Cylinders
Sampling Systems
Carrying Cases


MICRO300 Precision Regulator

The MICRO300 Precision Regulator, specially configured for highly-sensitive applications, is designed for customers who need the most accurate calibrations.
The MICRO300 features fully supported ‘sensitive’ pistons and a low internal volume to reduce wasted gas and minimise reactions. The regulator is available with or without SilcoNert® 2000 coating.

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