The award-winning KestrelMet® 6400 WBGT Weather Station provides real-time heat stress monitoring to enhance safety in high-risk environments. This fully wireless, solar-powered station delivers accurate WBGT readings and instant alerts for changing conditions. Available in Wi-Fi (range up to 1,000 ft line of sight) with Cellular connectivity coming soon. Includes 3 months of free AWN SMS Alerts. Features a waterless WBGT sensor for hassle-free maintenance and quick setup in under 20 minutes.
Winner of the OH&S Industrial Hygiene Award for Heat & Cold Stress Equipment
The KestrelMet® 6400 WBGT Weather Station is an advanced heat stress monitoring solution designed for industrial sites, military training facilities, athletic programs, and other high-heat outdoor environments. Real-time WBGT (Wet Bulb Globe Temperature) tracking ensures safety and compliance by providing instant alerts for dangerous conditions.
The KestrelMet 6400 WBGT Wi-Fi Weather Station is equipped with a full suite of sensors to measure critical environmental parameters:
Currently only available in Wi-Fi:
The Ambient Weather Network (AWN) is your online dashboard and command center for setting alerts, tracking conditions, and analyzing data.
With advanced connectivity and intelligent heat monitoring, the KestrelMet 6400 WBGT helps you proactively manage heat stress and ensure safety in any environment.

Stay ahead of heat stress conditions with customized AWN notifications.
Free Email Alerts – Never miss critical WBGT updates with zero-cost email notifications.
3 Months Free SMS Alerts – Get instant text notifications at no cost for the first 3 months with purchase.
Flexible SMS Alerts After Trial – Continue receiving SMS alerts with tiered pricing options:
With AWN SMS Alerts, you can customize notifications to match your team’s needs and stay informed in any environment.
Its pre-assembled, ready-to-install design allows for quick setup in under 20 minutes, while Wi-Fi and Cellular connectivity options ensure continuous, reliable data transmission in any location.
Industrial & Occupational Safety
From construction sites to oil rigs, the KestrelMet 6400 is a critical tool for ensuring compliance with heat stress regulations and protecting workers in high-temperature conditions. Its fast setup, waterless WBGT tracking, and customizable alerts make it a valuable asset for EHS officers, safety managers, and employers in industries including:
Military Training Safety
Designed to endure harsh conditions, the KestrelMet 6400 is an essential heat safety tool for military bases and training operations. With precise environmental data and customizable alerts, it helps commanders and safety officers:
Sports & Athletic Safety
For coaches, athletic trainers, and sports medicine professionals, the KestrelMet 6400 provides real-time WBGT measurements to prevent heat-related incidents and ensure peak athlete performance. Ideal for:
With advanced connectivity, free email alerts, and 3 months of free SMS alerts, the KestrelMet 6400 WBGT is the ultimate solution for proactively managing heat stress across industries.
*Offer valid for KestrelMet 6400 customers only. Includes complimentary access to unlimited SMS alerts for a period of three (3) months from the date of device activation. Offer available for a limited time only and may be modified or discontinued at any time without prior notice. Excessive use of SMS alerts, defined as usage that significantly exceeds average customer usage patterns, may result in suspension or limitation of the service at NK’s sole discretion. Standard messaging rates may apply after the promotional period ends. Terms and conditions subject to change. NK is not liable for delays, failures, or errors in message delivery.