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


Quality anemometer provides wind speed and direction in a digital, wireless package. 255 mph range. Four display modes include present, average, max, and forecast wind speed. Wind direction provided by 8 red LED's with 22.5 degree resolution.

Merlin Kit in Nickel Case
Add to Cart LIST PRICE: 955.00
Our Price: $849.00

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Full Product DescriptionSpecificationsAdditional PhotosOwner's ManualsWarranty Support

This attractive anemometer will bring wind speed and direction information to your home with elegance and style. The Merlin Anemometer is a quality product from Maximum, Inc. that has the following features:

  • Wireless sensors with solar powered transmitter and NiCAD battery backup for up to 7 days without sunlight
  • 255 mph/kph/knots/mps range
  • Bright, 3-digit wind speed display
  • Four wind speed display modes, switch-selectable, include present, maximum, average, and forecast.
  • Average = average since reset
  • Forecast = compares last 12 minutes to previous 12 minutes
  • Wind direction displayed by 8 red LED's at 45 degree increments. 22.5 degree resolution comes when 2 adjacent LED's are lit simultaneously.
  • The Merlin diplay is powered by an AC adapter.
  • Select from Nickel, Nickel, or Chrome cases
  • Mount it plain, or select from mahogany or oak plaques or mantle mounts
  • Comes complete with everything needed: wind sensor, wind vane, mounting brackets, wireless transmitter and mounting, receiver, etc. You only need to provide a pole or chimney to mount it to.

Solar-powered wireless wind speed and direction sensors

Mount it plain or select from a variety of solid wood plaques.


3-Cup Lexan rotor. Virtually indestructible.
Generator type wind sensor powers the display.
Approx. 7 1/2" swept diameter
Beryllium copper shaft in Rulon J bearings
O-ring sealed for superior weather resistance
Generator produces 3.67 V 60Hz at 1800 rpm at 102 mph wind.

SPEED RANGE 0 to 255 mph, kph, knots, or m/s
WIND VANE sensitive, multi-reed switch device
WIRELESS TRANSMITTER 900 MHz transmitter works up to 300 feet (100m)
Solar charger and NiCAD backup provide power for up to 7 days without sunlight

Receiver included - supports other Maximum wireless instruments in the same group
Receiver should be mounted
WIRELESS RECEIVER One 900mhz receiver is required at each wireless instrument location.

A single receiver can collect transmissions from as many transmitters as your system includes. That is, one receiver will serve all wind, temperature and rainfall transmitters within a 300' radius.

If you wish to install instruments in different rooms, you will only need one receiver for each location.

The wireless receiver should be located in the wall behind the instrument display, and powered by any of the AC adaptors used to power a wireless instrument.

Dimensions of the wireless receiver are: 3.74"L x 2.25"W x 1"H
MOUNTING Hardware provided to mount anemometer, vane, and wireless kit as shown in the photo.

Digital, 2-digit bright red LED display
Update rate: 2 seconds (0.5 Hz)
8 red LED's provide wind speed direction to 22.5 degree resolution

4 switch-selectable modes:
PRESENT wind speed
MAXIMUM wind speed, the highest gust since last reset
AVERAGE wind speed, the average wind speed since last reset
FORECAST wind speed, compares the most recent 12 minutes with the previous 12 minutes

UNITS MPH, km/hour, knots, or m/s
SPEED RESOLUTION 1 mph/kph/knot/mps
DISPLAY DIMENSIONS 6 1/2" OD and 2 3/4" deep, not including optional wood mount

5-year limited warranty on materials and workmanship, excluding:

  • improper use or installation
  • lightning damage
  • power surge
  • broken seals

Any defective Maximum weather instrument returned to Maximum during the warranty period will be repaired or replaced, at the option of Maximum, free of charge.