Key Features
- Accurate aneroid sensor for reliable air pressure measurement
- Easy-to-read dial with dual scale: hPa/mbar and inHg
- Corrosion-resistant case for long-lasting marine use
- Bulkhead mounting design for secure installation on ship bridges
- Internal mechanism enclosed for protection against saltwater and humidity
- Ideal for weather prediction and storm warning aboard vessels
- Complies with IMPA 370246 (Nautical Equipment) for ship chandler supply
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Marine Aneroid Barometer |
| IMPA Code | 370246 |
| Category | Nautical Equipment |
| Type | Aneroid Barometer |
| Measuring Range | 950–1080 hPa (mbar) |
| Scale Units | hPa/mbar and inHg |
| Accuracy | ±1 hPa (typical) |
| Dial Diameter | 100 mm (approx. 4 in) |
| Mounting Type | Bulkhead / Wall Mount |
| Case Material | Brass / marine-grade alloy |
| Lens Material | Shatter-resistant glass |
| Application | Ship bridge, wheelhouse, offshore platforms |
Frequently Asked Questions
How does a marine aneroid barometer work?
An aneroid barometer measures atmospheric pressure using a small, flexible metal cell (aneroid capsule). As pressure changes, the cell expands or contracts, moving a needle across the dial. This mechanical design is ideal for marine use because it doesn't rely on liquids and resists motion.
What is the typical accuracy of this barometer?
These barometers generally provide readings accurate to ±1 hPa (hectopascal). This is sufficient for detecting pressure trends that indicate approaching weather systems. Calibration may be performed against a known reference for maximum precision.
Can this barometer be installed outdoors on a ship?
While the case is corrosion-resistant, it is best suited for indoor bridge or wheelhouse installation. Exposure to direct weather could compromise long-term accuracy. For outdoor use, consider a shielded housing.
What does IMPA 370246 mean?
IMPA 370246 is the International Marine Purchasing Association's reference code for an aneroid barometer in the Nautical Equipment class. It ensures the product meets standard identification for ship chandler supply.
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