Airserco`s analog high vacuum gauges are available in two models;8990-sm series and 9044-sm series. 8990 sm series comes with an unique extended range scale the analog display begins indicating pressures at 20,000 microns, the boiling point of water at 70 f. 9044-sm series is the cabinet mounted instrument which features heavy duty anodized cabinet with unbreakable nylon handle and illuminated on/off switch.
Both the models have some standard feature
