UK based

Prices for UK customers are shown inc 20% VAT

Other countries, inc EU, prices shown are ex VAT. 


Now available: optional external sensor

SPC100R is an easy to use tachometer with large LCD display, which will measure the speed of your model train. If you want to limit the maximum speed of your train in CV5 of the digital decoder to match the real world maximum speed, or you just like to see which is the fastest train, you don’t need to draw lines on a straight piece of track and sit next to it with a stop watch. Just turn on this Speedometer, pass the train along it and you know.

Can measure for the following region and scales:


O gauge 1:43.5,  OO gauge 1:76, TT 1:120, N gauge 1: 148


O 1:45, H0 1:87, TT 1:120, N 1:160,  Z 1:220


O 1:48, H0 1:87,  N 1:160, Z 1:220


HO 1:80, N 1:150

- The unit of speed can be switched between Km/H, mph.

- Size: 100mm x 50mm x 14mm

- Includes: Speedometer and paper instructions. Optional: Mini USB cable.

Uses USB 5V power supply, like from a phone charger. Power charger not supplied. 

SPC100R with external sensor connector (v211) manual v1.5  click here

SPC100R instruction video, below.

Casing to print in 3D download click here

This is how the Mini USB connector needed for the Speedometer looks like >

Watch the introduction video below.