Kestrel Calibration Kit
A must for any Fire Service using Kestrel RH meters!
Verify or recalibrate relative humidity readings in Kestrel 3000, 3500 or 4000 Meters. The kit can be used indefinitely. The large container is used to create a stable environment. The small containers are used to hold the saturated salt solution. The saturated salt solutions generate well-defined humidity’s when they are confined to a contained environment