Inspeed wind sensor, hand held wind meter, anemometer, windsensor, windmeter, and weather instruments for stormchasers and weather enthusiasts


Rugged wind sensor handles speeds from 5 to over 125 mph. Reed switch/magnet provides one pulse per rotation. Comes with exterior grade wire (click add to cart to see standard wire lengths), custom lengths available on request. It is designed to provide very accuracy at an affordable price - with a sapphire/tungsten carbide bearing system for super low friction and long life.
The VORTEX wind sensor is great for do-it-yourself projects, replacement, or additional parts. Mounting pole not included.

Now with a Sapphire Bearing to minimize wear!

Select Add To Cart for wire length and other options.

Price: from $55.00

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Full Product DescriptionSpecificationsAdditional PhotosOwner's ManualsWarranty Support

The Vortex Wind Sensor is a rugged, proven anemometer. Supplied without any electronics, the Vortex sensor is ideal for "do-it-yourself" projects of all kinds.

The Vortex Wind Sensor includes the following major items:

  • a high quality 3-cup rotor pressed on a stainless steel shaft
  • a rugged Delrin body with bronze and Rulon bushings
  • a flat aluminum mounting bracket with 2 holes
  • reed switch and magnet providing one pulse per rotation
  • 25 feet of exterior grade wire (more available on request)

Converting pulses to wind speed is simple using the following formula:

2.5 mph per Hz (1 Hz = 1 pulse/second)

The Vortex Wind Sensor has been tested successfully on various electronic devices with over 1,500 feet (500 m) of wire.


SENSOR TYPE 3-Cup rotor
Reed switch/magnet provide 1 pulse per rotation.
OUTPUT for D2 Rotor
(Shown in photo)

1 pulse per rotation
2.5 mph per Hz

OUTPUT for Maximum Rotor
(Sold on products prior to ~May 2005)

1 pulse per rotation
3.4 mph per Hz

ROTOR DIAMETER approx. 5 in (~125 mm)
SPEED RANGE approx. 3 mph to 125+ mph (~5 kph to over 200 kph)
MOUNTING BRACKET Supplied with an aluminum mounting bracket with 2 holes for screws.
Designed to be mounted on top of a pole or bracket.
Custom brackets available up request (offset, for example)
WIRE Standard length is 25 feet (8m)
custom lengths available upon request - tested OK to over 1,500 feet
The wire is provided stripped and unterminated
2 small wire nuts provided to connect to the display once installed

None provided with the sensor only
Formula for converting pulses to speed: 2.5 mph per Hz (2.5 mph per pulse/second)

POWER No power required
  Wind sensor mounted on a boat
Mount it on your boat...

Vortex windsensor in Scotland
One of my favorite customer photos
This Vortex PM lives in Argyll, Scotland

  Windsensor in Florida
This one lives is a beautiful garden
in Pensacola Florida

Vortex wind sensor on tall pole
Yes, there is a Vortex way up there!

Instructions: not available - it's that simple!

Email us if you need assistance or have questions

1 year 100% warranty on any defective parts and/or any failure resulting from normal use.

And if you open the box and the wind sensor is not what you wanted or expected, return it within 2 weeks in as-new condition for a 100% refund (sorry - not including shipping!).

Basically - our goal is your complete satisfaction.