At sea, air pressure is your earliest warning system. A falling line on the barograph tells you hours in advance what the horizon still hides. The Wempe Drum Barograph has proven its worth on board countless ships – not as a gadget, but as a silent companion that never sleeps. Every week a new sheet of paper, every line a story of wind, water, and changing weather. This is the instrument that experienced sailors trust when the sky starts to lie. The WEMPE drum barograph (265 x 170 x 175 mm) weighs 3100 grams and comes with a writing pen and 52 diagram papers (hPa or inches), one for each week of the year.
See on the paper line how the air pressure has developed over the past week.
Check the chart paper weekly; this will allow you to read not only today's weather but also the history of the past few days.
At sea, air pressure is your earliest warning system. A falling line on the barograph tells you hours in advance what the horizon still hides. The Wempe Drum Barograph has proven its worth on board countless ships – not as a gadget, but as a silent companion that never sleeps. Every week a new sheet of paper, every line a story of wind, water, and changing weather. This is the instrument that experienced sailors trust when the sky starts to lie. The WEMPE drum barograph (265 x 170 x 175 mm) weighs 3100 grams and comes with a writing pen and 52 diagram papers (hPa or inches), one for each week of the year.
Check the chart paper weekly; this will allow you to read not only today's weather but also the history of the past few days.
• What is a barograph?
A barograph is a precision barometer with a recording arm that records air pressure fluctuations on a rotating paper roll. This allows for monitoring and analyzing changes in air pressure over time.
• What does a barograph measure?
A barograph measures air pressure and records it on paper. This makes it ideal for maritime weather forecasting and navigation, where you can observe trends and patterns in atmospheric pressure.
What is the difference between a barograph and a barometer?
A barograph measures and records air pressure changes on paper, while a barometer only displays the current air pressure. This makes the barograph suitable for users who want a historical overview of pressure changes.
How often should I replace the paper in my barograph?
This barograph comes with a year's worth of paper. Depending on your model, you'll either replace a yearly roll once a year or individual weekly sheets weekly. Consult the manual to see which system your barograph uses.
How do I maintain the phaser scriber of my barograph?
Keep the phaser scriber in a dry place, away from direct sunlight, and install or remove it with clean hands to ensure long life and consistent recording.
• Dimensions: 265mm x 170mm x 175mm
• Weight: 3100 grams
• Casing: High-gloss polished mahogany box
• Finish: High-gloss polished gold-plated brass parts
• Mechanism: 8-pressure can barometer for accurate air pressure recording
• Mechanism: Quartz battery system
• Writing instrument: Durable scriber for long-term use
• Registration paper: Including diagram paper for 1 year, choice between hPa or inch scale
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