Viewing PIG/FDFM on your 5500 & 5400 Fire Meters

When viewing your Kestrel 5400FW or 5500FW, you will see one screen called Probability of Ignition (PIG) and directly under (on the same screen) the Fine Dead Fuel Moisture (FDFM) reading. Please see the image below. Wondering what you'll see when viewing the device on the Kestrel LiNK app? Here are a few sample images below.

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Compass Error in Kestrel 4500 and 4600 Units

We've been receiving reports that the Kestrel 4500 and 4600 models are having an issue recording compass direction when the unit powers off. The issue started with firmware version 4.83 and has appeared in several updates since. We have resolved this issue with firmware version 4.89. If you have a Kestrel meter with firmware version 4.76 or higher and would like to upgrade your firmware to the latest version, please contact techsupport@nkhome.com to discuss your options. Please note: Kestrel meters with firmware lower than 4.76 cannot be upgraded further due to their internal board, but should not be experiencing the...

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Heat Wave Affecting HIgh School Sports

“The Burlington Free Press just posted a good article addressing heat stress and high school  sports.  With the recent heat wave, schools need to carefully monitor their student athletes.  Read the full article here

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HOW TO PREVENT PLASTIC SHRINKAGE CRACKS

By Luke M. Snell Director, Concrete Industry Management, Del E. Webb School of Construction Arizona State University, Tempe, Arizona ABSTRACT: One of the problems that contractors face is to identify the weather conditions and to determine if the concrete placements should proceeds. From past research, it has been shown that the three weather conditions (air temperature, humidity and wind velocity) and the concrete temperatures are the best indicators to determine if plastic shrinkage cracks will develop. A Nomograph was developed and published in many American Concrete Institute (ACI) committee reports as well as by the Portland Cement Association (PCA). Unfortunately,...

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