Multi-scale track tester, DCC, DC, AC, 860066

Multi-scale track tester

This track tester works on OO, HO and N tracks and allows you to quickly test the track for DCC or DC power, while helping you locate faults at track joints, points, etc. To use, simply place it on your track and the multi-color LED will display either Orange for DCC power, or Red and Green for DC power with the color indicating positive or negative. The polarity (or train direction) of the rails is indicated on the product.