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.

Read more

*** Kestrel Reading

If you have a *** reading on your 5000+ series Kestrel... Specifically for: Humidity Head Index WBGT Read on... There is nothing wrong with your unit but you should update the firmware on it to fix this issue.  What is happening is that the humidity sensor is getting saturated and due to the +/-2% accuracy of the sensor, the sensor is actually reading above 100% humidity.   At the time of this meter's firmware, anything above 100% would show “***” as it was thinking that the sensor was incorrect.   With a later firmware revision, NK, the manufacturer, instead capped this at 100% if the sensor goes above...

Read more

E1 Flashing on Kestrel Meter

  If the unit is flashing E1: The humidity on the meter needs to be re-calibrated.If its absolutely brand new and you bought it from us, we'll take it back and send you a new one... (or let the company know who you bought it from). This shouldn't happen.If its less than 12 months old... then NK, the manufacturer, will do it for you for free. Otherwise if its older, you can to pay to get it done through us ($65) or purchase a calibration kit (http://kestrelmeters.com/products/kestrel-meter-calibration-kit)

Read more