BK 3 drying time recorder
3 speed drying time recorder with 6 tracks
The BK 3 speed drying time recorder with 6 tracks has been used widely in the coatings industry throughout the world for several decades.
A needle carrier holding six hemispherical ended needles travels the length of the six 305 x 25 mm test strips in 6, 12 or 24 hours. A time scale on the side cover is graduated to suit the three different travel times. Other speeds are available to special order.