Endurance II 115 Open Dial Barometer — Weems & Plath
Mid-Size Marine Barometer • Classic Brass Porthole Design
The Endurance II 115 Open Dial Barometer is a professional, mechanical weather instrument designed for reliable atmospheric monitoring in marine and coastal environments. Light, strong, and durable, it uses a holosteric (aneroid) movement to measure air pressure accurately—without liquids—making it dependable, precise, and easy to maintain.
Finished in an ultra-hard brass case guaranteed never to tarnish, this mid-size, porthole-style barometer delivers excellent legibility with traditional nautical character.
🌦️ Key Features
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🧭 Mid-size 102 mm open dial — clear, easy-to-read pressure display
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⚙️ Temperature-compensated aneroid movement — fully adjustable for consistent accuracy
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📏 Dual pressure scales — inches & millibars
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⛰️ Altitude calibrated — accurate up to 3,500 ft above sea level
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✨ Ultra-hard brass finish — maintenance-free and guaranteed never to tarnish
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🌊 Weather-resistant construction — suitable for marine and coastal use
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🔍 Bevelled glass crystal — durable and highly legible
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⚓ Traditional porthole front-opening bezel — classic marine styling with easy access
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🛠️ Flexible mounting — suitable for boat or shore installations
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🪵 Optional wood base — available separately in Mahogany or Black (models 115SM & 115SB)
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🛡️ Lifetime warranty — on finish and movement
⚓ Built for Accuracy & Longevity
At the heart of the Endurance II 115 is a temperature-compensated, fully adjustable aneroid movement engineered for stable readings across changing conditions. The open-dial design maximises legibility, while the sealed brass case resists corrosion and requires no polishing or special care.
The front-opening bezel allows straightforward access when adjustment is required—ideal for long-term, everyday use.
📐 Dimensions & Specifications
| Specification | Details |
|---|---|
| Dial Diameter | 102 mm (4″) |
| Overall Diameter | 152 mm (6″) |
| Depth | 79 mm (3 1⁄8″) |
| Weight | 1.25 lbs |
| Movement | Temperature-compensated aneroid |
| Scales | Inches & millibars |
| Case Finish | Ultra-hard brass (maintenance-free) |
| Glass | Bevelled crystal |
| Mounting | Boat or shore |
| Included | Instructions & mounting hardware |
| Warranty | Lifetime |
🎯 Ideal For
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🚤 Marine cabins, navigation stations & chart tables
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🏡 Coastal homes, studies & verandahs (covered)
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⚓ Traditional nautical interiors
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🎁 Practical, long-lasting gifts for weather-minded users
Important: This item is supplied to order. Please allow up to 10 working days for delivery.
The Endurance II 115 Open Dial Barometer delivers dependable, mechanical accuracy in a classic brass form—engineered to perform, finished to endure.
Add a marine-grade barometer to your space and track changing conditions with confidence.
