Circular Paper Chart, Compatible with Manufacturer Model Number DTP, EV4, PR4, PR4-10, PW4, SK4, SL4, THP, THV, VFC21, Compatible with Series Universal, Lowest Generic Number Recorded 0, Minimum DC Current Measurement Not Applicable, Product Type Circular Paper Chart, Strip Chart Length Not Applicable, Grid Color Black, Increment of Variation 20, Strip Chart Width Not Applicable, Highest Generic Number Recorded 100, Maximum AC Current Measurement Not Applicable. This item has been restricted from sale in the following state (s): []