4 Darton Thermograph Chart

Darton Chart No. 4 is a Thermograph chart designed for recording temperature over a 7 day period. Printed in red with a measuring range of 0 - 30˚C. Chart size 303mm x 92mm, each pack contains 100 charts, providing two year's worth of monitoring.

Traditional non-adhesive thermograph charts ideal for recording drums that have a clip to hold the chart in place. If your drum recorder does not have a clip we suggest using our chart tape to hold the sheets in place.