TKM2 TRACK VOLTAGE TESTER DC & DCC
The BLOCKsignalling Trackmeter2 is designed to locate voltage drops and poor track connections which can affect the smooth operation of model locomotives.
Simply place on the track, and the leds light to indicate the voltage present.
RED: Below 5V
YELLOW: 5V to 12V
GREEN: 12V and above
The brass contacts on the base of the unit are spaced to suit Z, N, TT, HO and OO gauges.
Suitable for DC and DCC layouts.