Kestrel 4400 Instruction Manual

4400 Heat Stress Tracker INSTRUCTIONAL MANUAL Shop for Kestrel products online at: 1.877.766.5412 www.WeatherMeters-Direct.com ...

Thermal Work Limit ..............................................................6 Vane Mount Assembly...........................................................9 Data Logging.............. ...

Temperature based on Globe Temperature, Relative Humidity, Ambient Temperature, Barometric Pressure, and Wind Speed. WBGT in F 73.2 No flag settings To Change WBGT settings: • Press while on the Wet Bulb Globe Temperature screen. • Use or to change the “Type” setting between ou ...

Measuring The unit will display Thermal Work Limit based on Globe Temperature, Relative Humidity, Ambient Temperature, Barometric Pressure, Wind Speed, and parameters specific to the population using the Thermal Work Limit measurement. These parameters are the Intrinsic Clothing Insulation Factor (IClo), Vapor Permeation Factor ( ...

ENSEMBLE IClo VPF Men’s business suit: Long sleeve shirt/ tweed suit jacket & long, loose trousers Short sleeve shirt/denim shorts Work Clothes: Short sleeve shirt/long trousers (denim) Work Clothes & Coveralls 1.13 0.41 0.50 0.96 0.37 0.43 0.40 0.39 Lying down POSITION VALUE 0.00 1.00 Standing up Figure 3: (left/above) ...

Like WBGT, TWL uses environmental measurements, including thermal radiation, to predict work limits for people exposed to heat stress. Different attributes of clothing (such as its ability to insulate and allow water vapor to pass through it) are also used to calculate TWL. Acclimatization (Acclimatize) Defined as the process o ...

Average battery life is 300 hours based on typical use. For the Kestrel 4500, it is important to re-insert the shim along with the new batteries then recalibrate the digital compass to ensure . correct wind direction readings. When using the Kestrel meter in extremely cold weather, i ...

NOTES: NOTES: Shop for Kestrel products online at: 1.877.766.5412 www.WeatherMeters-Direct.com ...

designed and manufactured in the USA NIELSEN-KELLERMAN 21 Creek Circle, Boothwyn, PA 19061 Phone: (610) 447-1555 Fax: (610) 447-1577 Web: NKhome.com Email: [email protected] By Shop for Kestrel products online at: 1.877.766.5412 www.WeatherMeters-Direct.com ...