The Walker 4020 (Mk2) is type approved for all sizes of vessels and is normally recommended for smaller vessels with an overall length up to 50m.
It offers both forward and astern speed, with ranges from -20 to +60 knots full scale and provides NMEA0183 and 200PPNM signals to other equipment.
This compact model consists of two main components reducing the number of sub-units required.
It combined the speed and distance indicator in one master unit P282 which results in a smaller, lighter unit that is much simpler to install.
The master unit P282 can be console or bracket mounted for convenience depending on the space available.
In addition, a built-in speed simulator and a removable keypad for calibration come as standard.
It is possible to add modern speed and distance indicators.
The master unit P282 is fully compatible with fixed (P57) or retractable (P99) speed log sensors housed in hull fittings which are suitable for various hull materials, such as aluminium, steel and GRP/wood.