CAMEO/ALOHA HAZMAT Rapid Response Weather Station from Met One Instruments is a compact, low-power, and rapidly deployable weather station that is ideal for emergency response applications, such as those related to hazardous materials spills, man-made or natural disasters, and NBC threats, among others. The system comes in two versions, each supplied in a rugged transit case. The vehicle-mounted basic system includes the AIO 2 Sonic Weather Sensor, sensor mount, power/data interface cable, and a sensor transit case, while the telemetry version adds two spread-spectrum radio transceivers, a tripod, and any necessary antennas, cables, batteries, charger, and transit case.

The AIO 2 Sonic Weather Sensor is the heart of the system and measures wind speed, wind direction, air temperature, relative humidity, and barometric pressure. It includes a fluxgate compass that automatically orients wind direction data to magnetic North and can be aligned to True North through software access. The sensor is mounted on a ¾ inch IPS (1 inch OD) vertical pipe stub and is powered by a commercially available 8AH rechargeable battery, which can operate the basic system for more than 5 days before requiring recharging or replacement.

The data output from the system is a CAMEO/ALOHA compatible serial data stream that can be used with Met One’s WeatherView display and data logging program or other application software. The telemetry version of the system has a range of about 1500 feet indoors and 6-7 miles line-of-sight (LOS) outdoors with basic dipole antennas, and can be extended to approximately 20 miles LOS with an 8 dB gain Yagi directional antenna and a larger transit case with a higher capacity battery and a flexible solar panel charger.

The AIO 2 Sonic Weather Sensor incorporates Met One’s unique folded-path, low-power sonic anemometer, a temperature sensor, a fast-response, capacitive relative humidity sensor, a barometric pressure sensor, and a flux-gate compass, and is designed for maximum durability, portability, and utility, making it uniquely applicable for rapid deployment and use by one person under adverse conditions.