Apex
Automated Weather Station

Apex
Automated Weather Station
Applications
- National Meteorological and Hydrological Services (NMHS)
- Regional mesonets and research institutions
- Utility and energy companies
- Aviation
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Precision without compromise
AEM’s Apex Automated Weather Station delivers the precision, reliability, and durability essential for the toughest weather monitoring challenges. From localized climate research to large-scale weather networks, our systems provide high-quality data to power accurate forecasts, improve climate analysis, and ensure compatibility for global data sharing and collaboration. Designed to meet strict WMO and ICAO standards, the Apex Weather Station is ideal for critical meteorological and aviation applications.
Key Benefits of the WMO-Compliant AWS
- Make better decisions with precise, WMO- and ICAO-compliant data that meets the strict tolerances required for critical applications.
- Seamlessly share data with regional and global partners, enabling collaboration for more coordinated monitoring and forecasting.
- Depend on continuous, accurate data from a weather station designed for high performance and low upkeep, even in the toughest conditions.
- Maximize your investment with a future-proof system that’s scalable and compliant with evolving standards.
- AEM Elements 360 unifies and shares data in one powerful decision support application, simplifying collaboration, improving response and keeping communities safe.
Advanced Specifications
The AEM Apex AWS incorporates cutting-edge components and technology, including:
- Wind Monitoring: Ultrasonic sensors with wind direction accuracy of < 2° and wind speed accuracy of ± 0.2 m/s
- Rain Measurement: Precision load cell technology with accuracy of ± 0.1 mm or 1% at lower rainfall rates
- Solar Monitoring: Secondary standard pyranometer for high-quality solar radiation data
- Temperature, Humidity, and Pressure Monitoring: Air temperature accuracy up to ± 0.1 K and barometric pressure accuracy of ± 0.15 hPa
- Communication Capabilities: Ser[LOG] data logger with 4G modem, TLS 1.3 security, and versatile communication protocols like Modbus, Ethernet, and SMS
LEARN MORE ABOUT THE AEM AUTOMATED WEATHER STATION
![u[sonic] · Ultrasonic Wind Sensor u[sonic] · Ultrasonic Wind Sensor](/scripts/resize.php?height=180&file=../upload/productImages/_MG_2937_usonic_bearbeitet_Homepage_7.png)
The combined ultrasonic sensor u[sonic] for wind direction and wind speed. The seawater resistant sensor is perfectly heated and ideal for use under cold climate conditions. The equipment is connected by an 8 pole screw connector. The measured values can be requested over a variety of interfaces.
- Meets the requirements for meteorological measurements according to WMO
- No moving measuring elements, no wear
- Two parameters measurable
- intelligent heating depending on wind speed and wind direction
- Easy to install, very service friendly

The quality of meteorological data is significantly influenced by the accuracy and reliability of the sensors used. The THP[pro] sensor meets the highest standards of the World Meteorological Organization (WMO) and has been developed for various applications where precise meteorological data is required.
- Three parameters in one sensor for maximum versatility
- Precision as per WMO and ICAO standards: Reliable measurements, globally recognized
- Low energy requirement - perfect for low-power applications
- Fail-safe and redundant pressure measuring with three independent ICs
- Easy configuration with USB-C interface right on the sensor
- Increased operational reliability of the sensor due to integrated LED status light
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![sun[e] Modbus · PYRANOMETER sun[e] Modbus · PYRANOMETER](/scripts/resize.php?height=180&file=../upload/productImages/sun-e-modbus.png)
The sun[e] Modbus off ers the highest accuracy and highest data availability: using new ventilation and heating technology, the sun[e] Modbus outperforms all pyranometers equipped with traditional ventilation systems. sun[e] Modbus is the ideal instrument for use in PV system performance monitoring and meteorological networks. It measures the solar radiation received by a plane surface, in W/m2, from a 180° field of view angle.
- Heated for best data availability
- New technology outperforms traditional pyranometer ventilation
- Compliant in its standard configuration with the requirements for Class A PV monitoring systems of the IEC 61724-1:2017

For all weathers and for protection against radiation the sensor shelter with natural ventilation is designed for universal use with relative humidity and air temperature measuring instruments.
- Natural ventilation of the sensors
- No recirculation of the heated air into the ventilation circuit
- Light and radiation transmittance almost eliminated
- UV and weather resistant material
- Extremely robust with improved lamella system
- Universally applicable for different sensors
- Easy installation including mounting material for different masts
![rain[e] · Weighing Precipitation Sensor rain[e] · Weighing Precipitation Sensor](/scripts/resize.php?height=180&file=../upload/productImages/ohne_Hintergrund_raine.png)
rain[e] is a new type of weighing precipitation sensor: Highest resolution combined with the most compact design. The unique self-emptying collection system enables the measurement of every single drop with the high resolution of 0.001 mm/m2. Full functionality all year around without antifreeze fluid makes the rain[e] very environmentally friendly.
rain[e] is easy to lift, transport, install and maintain. The small packing volume and the low weight ensure minimum logistical effort. The rain[e] series is compatible with OTT and Campbell Scientific data loggers and ideal for setup and expansion of rainfall measurement networks.
- Astonishing resolution and accuracy
- Checking of sensors with tipping bucket and other weighing systems
- Compact and robust construction with a very low weight
- All-metal housing, weatherproof and durable
- Best connectivity by several interfaces
- Easy to install and maintain
- Also with Modbus or customised protocols

Elevate multi-hazard risk management with collaborative decision support
In today’s unpredictable climate, businesses and communities face a rising threat from multiple natural hazards. But the journey to resilience is hindered by scattered data, poor coordination across key stakeholders, and limited access to timely warnings.
AEM Elements 360 is your decision support command center for tackling multi-hazard risk management. By seamlessly transforming diverse data into actionable insights, AEM Elements 360 enhances collaboration, elevates information sharing, and accelerates response to provide a stronger, more resilient future.
Benefits:
- Strengthen collaboration across agencies and communities for a more coordinated and efficient disaster response.
- Improve accessibility to hazard early warning systems and disaster risk information for impacted people and communities.
- Increase operational resilience by minimizing damage to critical infrastructure and disruption of critical services due to natural hazards.
- Minimize the human impact of natural disasters by reducing the number of people affected and safeguarding lives.
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![Ser[LOG] · Data Logger Ser[LOG] · Data Logger](/scripts/resize.php?height=180&file=../upload/productImages/ohne_Hintergrund_SerLOG.png)
The Ser[LOG] collects your weather data (wind, precipitation, air temperature, relative humidity, air pressure and radiation) in a single place and provides real-time visualization. The Ser[LOG] Commander management app gives you maximum freedom to customize your measurement tasks.
Overview:
- Collect and process up to 60 measured values with Modbus RTU
- Up to 32 Modbus TCP connections with sensors from other manufacturers
- Alarm system for 10 warning channels using built-in and external relays (e-mail, SMS)
- Extensive sensor library
- Formulary and free formula parser
- Interference-proof due to high-quality, shielded aluminium housing
- User-friendly with free access to all connections and controls