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If your Classic Barograph is recording the barometric pressure in millibars and is nearing the end of its one year chart supply then that means it is time to utilize our Replacement Millibar Chart. Our Replacement Millibar Chart features a seven day chart duration and is designed to record measurements for one year. Our Classic [...]

Adorn your home or office with our remarkably sensitive and precise Dampened Deluxe Quartz Barograph. Our barograph was precisely engineered in Germany and utilizes eight diaphragm bellows for acute sensitivity to the air pressure. The quartz movement is powered by one AA battery. The air pressure is recorded on either inch or millibar charts by [...]

If your Dampened Deluxe Quartz Barograph is recording the barometric pressure in inches and is nearing the end of its one year supply then its time to order our Replacement Inch Chart. Our Replacement Inch Chart feature a chart duration of seven days and the chart’s range is from 28.5 inches to 31.5 inches. Our [...]

If it has been a year already and your Classic Barograph is recording the air pressure in inches then it is time to replace the chart with our Replacement Inch Chart. Our chart’s recording duration is seven days and the chart’s range is from 28.5 inches to 31.5 inches. Our Replacement Inch Chart will accurately [...]