Description - Decoder tester.
This decoder tester has been designed for testing decoders before these are installed into a loco. The Profi-Tester is simply hooked up to your digital central station, or the LokProgrammer. It comes with plug in for NEM652, NEM651, 21MTC, PluX22 interface, Next18, SUSI, single wire, motor, LED monitor and 20mm speaker.