The mechanical design of the AZ20 permits application pressures between negative 5 PSI gauge and positive 5 PSI gauge (- 340 mbar to 340 mbar)
However, the AZ30 has a maximum pressure limit imposed by the hazardous area certification of 1.1 bar absolute, the minimum is the same as the AZ20.
Gary is the Manager for the Multiwave Photometer, Reid Vapor Pressure Analyzer and Dynamic Reflux Sampler. He recied a BS in Chemistry from Fairmont State Unitversity. He joined ABB in 1989 as an Application Engineer for the Multiwave Phtometer and later moved into product management.
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