KestrelMet 6400 WBGT Wi-Fi Weather Station
The KestrelMet® 6400 WBGT Weather Station provides real-time heat stress monitoring to enhance safety in high-risk environments. Available in Wi-Fi or Cellular models, it delivers accurate WBGT readings and instant SMS alerts for changing conditions. Wi-Fi range up to 1,000 ft (line of sight). Includes 3 months of free AWN SMS Alerts. Waterless WBGT sensor for hassle-free maintenance. Setup in under 20 minutes.
KestrelMet 6400 WBGT Wi-Fi Weather Station Overview
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.
KEY MEASUREMENTS

The KestrelMet 6400 WBGT Wi-Fi Weather Station is equipped with a full suite of sensors to measure critical environmental parameters:
- Wet Bulb Globe Temperature (WBGT) – The gold standard for heat stress assessment.
- Temperature & Relative Humidity – Essential for accurate environmental tracking
- Wind Speed & Direction – Helps Evaluate cooling effects and heat risk
- Barometric Pressure – Adds valuable atmosphere insights
CONNECTIVITY
Available in Wi-Fi and Cellular models, this system offers flexible connectivity for any location:
- Wi-Fi Version – 1000 ft range (line of sight), ideal for environments with existing network access.
- Cellular Version – Perfect for remote job sites, training fields, or areas without Wi-Fi, ensuring continuous data transmission.

AMBIENT WEATHER NETWORK MONITORING:
The Ambient Weather Network (AWN) is your online dashboard and command center for setting alerts, tracking conditions, and analyzing data.
- Customize your real-time weather dashboard for enhanced data visualization
- Set critical safety alerts for WBGT thresholds via email (free), app notifications (free), or SMS (includes 3 months free, then subscription required)
- Access historical trends and charts to analyze and manage long-term heat stress risks
With advanced connectivity and intelligent heat monitoring, the KestrelMet 6400 WBGT helps you proactively manage heat stress and ensure safety in any environment.
AWN ALERT PRICING – INCLUDES 3 MONTHS FREE SMS ALERTS*:
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:
- $19.99/month – Up to 5 users & 1,000 SMS alerts total
- $24.99/month – Up to 10 users & 2,000 SMS alerts total
- $29.99/month – Up to 15 users & 3,000 SMS alerts total
With AWN SMS Alerts, you can customize notifications to match your team’s needs and stay informed in any environment.
QUICK SETUP:
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.
INDUSTRY APPLICATIONS FOR HIGH-RISK ENVIRONMENTS

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:
- Construction & Roadwork – Protects workers from excessive heat exposure on job sites, highways, and pavement operations.
- Oil & Gas – Ensures worker safety on offshore rigs, refineries, and drilling sites.
- Utilities – Supports safety compliance for field crews maintaining electrical grids, water systems, and gas pipelines.
- Airport Tarmac & Ground Crews – Helps prevent heat exhaustion for personnel working in extreme temperatures.
- Maritime & Dock Operations – Provides real-time heat stress monitoring for workers exposed to sun and humidity.
- Agriculture & Farming – Safeguards farmworkers, ranchers, and equipment operators in high-heat environments.
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:
- Monitor WBGT and environmental risks during physical training, field exercises, and deployments.
- Reduce heat-related injuries by ensuring personnel take necessary precautions in extreme conditions.
- Integrate with the Ambient Weather Network (AWN) to access historical data and make informed operational decisions.
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:
- High school & collegiate sports programs – Ensures compliance with heat safety guidelines.
- Endurance training & outdoor competitions – Monitors conditions for marathoners, triathletes, and team sports.
- Recreational & professional leagues – Helps sports organizations proactively manage player safety.
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.