SailTimer Wind Instrument RB

with Replaceable Battery


No wires to install down your mast. Transmits to lots of great Android/iOS apps or NMEA wiring connector for chartplotter/MFD (below). Solar-powered. Comes with all mounting hardware needed. For boats of all sizes.


Remarkable innovations in this new model:  Carbon-fiber pointer arm to reduce weight, with battery inside the nose cone for balance (no brass deadweight). New injection-molded tail.  New wind cup bearing with stainless steel axle. Longer transmission distance for even the tallest masts: 100 feet (30.5m) typical with obstruction and 280 feet (85m) with line of sight.

Innovations & Technical Specs

The patented Wind Instrument sets a new standard for masthead anemometers.

YouTube Overview of New Design

Sailboat navigation for the wireless age.  More photos/video here.

What Our Customers Are Saying

SailTimer Air Link

Connects wireless and wired devices.

Receive Bluetooth transmissions from Wind Instrument and wire into your GPS chartplotter.  Send your NMEA 0183 data out on wifi to mobile apps.  You can even use it to check wind conditions on your boat online from home/office.

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