The Span Pac™ H2O Trace Moisture Gas Standard Generator provides: H2O concentrations adjustable over 20:1 range with single oven; 400:1 with dual oven system; 10,000:1 with secondary dilution mass flow. Concentrations within 0.01 to 10,000 ppm H2O range depending on model selection. H2O concentrations below 100 ppb with welded model. Industrial models have NEMA 4 cabinets and optional Z or X purge capability. Uses KIN-TEK Trace Source™ disposable and user-refillable water permeation tubes.   CLICK HERE TO VIEW PRODUCT BROCHURE (PDF) … [Read more...]