Kestrel 5400 Heat Stress Tracker

Advanced Waterless Heat Stress Monitoring

The Kestrel 5400 Heat Stress Tracker measures Wet Bulb Globe Temperature (WBGT), Thermal Work Limit (TWL), heat index, temperature, humidity, and 15 total environmental parameters. Its waterless design uses onboard digital sensors to accurately calculate Natural Wet Bulb Temperature, eliminating the need for water, time-consuming setup, or ongoing maintenance.

High-Visibility Display & Advanced Data Logging

The large, high-resolution, high-contrast graphic display delivers excellent readability in bright sunlight and low-light conditions. The handheld, portable data logger offers customizable warning flags, intuitive graphing, and detailed measurement statistics, providing quick access to critical environmental data and valuable insights in the field.

Kestrel 5400 User-Friendly Design

The display backlight switches between bright white and night-vision-preserving red to provide optimal visibility in a range of lighting conditions. Intuitive icon-based navigation, an easy-to-use keypad, and multilingual support make operation simple and accessible. A large, O-ring-sealed battery door allows for quick and convenient battery changes, while the durable polycarbonate lens features a scratch-resistant coating to help protect the display from everyday wear and damage.