Size: 6" Outside Diameter (back of case). Dials 4¾" Outside Diameter

The Maximum Proteus Barometer is the finest aneroid barometer available today for under $700. Delivers accuracy within ±0.08"Hg over a four inch scale of mercury.

Temperature compensated, with re-settable needle pointer used to monitor changes in pressure. Dial reads inches of mercury and kilopascals. Center cut window reveals heirloom-quality French movement.

Measurement Range: 27.5 – 31.5 Inches of Hg
Guaranteed Accuracy: ±0.08 Inches of Hg

NOTE: Please provide your elevation or city and state so the barometer can be calibrated for your specific use.

The Maximum Mystic and Merlin are also available in the following Weather Stations:
Maximum Observer 4-Instrument Station
Maximum Professional 5-Instrument Station

Availability: In Stock. Usually Ships in 1-3 Business Days.

Shipping:FREE UPS Ground Shipping in the Continental U.S.

For expedited, international or APO/FPO shipping, please use our convenient shipping quote form upon checkout or call us at 1-800-210-0492.