The digital LCD economy vacuum gauge indicates air and moisture have been removed from the system. Track down the 14level bargraphfrom atmosphere to 25 microns to know that the system is clean and your vacuum pump is performing properly. Packaged complete with 9V alkaline battery and hanging hook.
Features:
- Unique thermal conductivity sensor automatically compensates for temperature with no calibration
- Simple On/Off controls
- Easy-to-clean sensor handles 450 psi positive pressure
- Rugged contractor-grade construction with tough ABS housing and solid state circuitry for accuracy
- Automatic battery saver shuts gauge off after 20 minutes with no reading changes
- Low battery indicator
- Calibration standards traceable to NIST
- Patented technology
- Made in the USA