Katalog
The altimeter sensor combines an advanced MEMS pressure element with an ultra-low-power 24-bit ΔΣ ADC to achieve high-precision digital sampling of pressure and temperature. Sea-level altitude resolution reaches approximately 13 cm. The module is compact, features an I²C interface and simple configuration, making it well suited for portable outdoor mountaineering gear for real-time pressure and altitude monitoring, providing reliable data to support decision making.
1. Core Measurement Capabilities and Accuracy Assurance
The module integrates a highly linear pressure sensor and a 24-bit ΔΣ ADC with factory calibration coefficients, directly outputting precise 24-bit digital pressure and temperature readings. Sea-level altitude resolution is about 13 cm, which makes detecting small pressure changes during climbs more reliable. Combined with temperature compensation, environmental influences on altitude readings are reduced.
2. Operating Modes, Power Consumption and Sampling Rate
The module supports multiple operating modes so users can trade conversion speed against power draw. Low-speed, low-power modes suit long-duration background monitoring, while high-speed modes serve rapid altitude-change situations. The ADC’s ultra-low-power design and module-level energy options are critical for battery-powered mountaineering devices, extending field operation time.
3. Interface Compatibility and Integration Convenience
The sensor communicates over a standard I²C bus with any compatible microcontroller; the protocol is simple and does not require complex programming of internal registers. The small form factor eases integration into mobile devices, handheld outdoor terminals, or wearables, lowering engineering integration cost and accelerating time-to-market.
4. Temperature Output and Advantages for Altitude Conversion
High-resolution temperature output eliminates the need for an extra temperature sensor for compensation, improving altitude conversion accuracy. A barometric altimeter converts atmospheric pressure into altitude — an indirect distance measure — making it suitable for high-altitude or complex terrain where direct ranging instruments are impractical. The indirect method also enables lighter hardware designs.
5. Reliability, Interference Immunity and Manufacturing Expertise
Built on mature MEMS processes and years of volume-production experience, the module demonstrates low magnetic hysteresis and long-term stability. Production and calibration workflows ensure the reliability of internal calibration coefficients, so the sensor maintains high-accuracy readings after repeated temperature and humidity cycles, suitable for repeated use in harsh outdoor environments.
Slutsats
For real-time pressure and altitude monitoring in mountaineering, choosing a module that integrates a high-linearity MEMS pressure element with a 24-bit ΔΣ ADC yields about 13 cm sea-level resolution, precise temperature compensation, low power consumption, and I²C plug-and-play integration. Such sensors supply portable outdoor equipment with repeatable, reliable pressure and altitude data, helping engineers balance accuracy and energy use in product design.
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