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Unique thermal conductivity sensor automatically compensates for temperature with non calibration
Simple on/off controls
Easy-to-clean sensor handles 450 psi positive pressure
Rugged construction with tough abs housing and solid state circuitry for accuracy
Automatic battery saver shuts gauge off after 20 minutes with non reading changes
Track down the 14 level barograph from atmosphere to 25 microns to know that the system is clean and your vacuum pump is performing properly. For peace of mind, this gauge shows you that air and moisture has been removed from the system. The lower the number of microns, the more complete the vacuum and less chance for no-charge call-backs. made in United States. Manufactured by Ritchie engineering Co.