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

Anemometers Shipping & Warranty Information



Includes all VORTEX brand products:
Vortex Hand-Held, Pole Mount, Pole Mount Flex, Storm Chaser (Magnetic & Window Mount), and Windware.


- Residents of Massachusetts are required to pay a 5% sales tax
- We ship within 1 to 5 days, depending on stock - please let us know if you are in a hurry.
- Shipping charges will be added to the total for credit card purchases.

A $7.50 fee covers standard delivery within the United States.
Standard deliveries ship via US Priority Mail (does not include tracking). Alternative delivery services are priced as follows:

US Mail Express: $25.00 per order
(next day most of the time, uncludes tracking)

$15.00 for AIR MAIL for one item with 25' of wire. Additional charges may apply for longer wire orders. Air Mail does NOT include tracking or insurance, and can take 4 to 10 days to arrive at destination. Inspeed is not responsible for items shipped Air Mail and lost.

International Express is $30.00 for one item, and includes tracking and insurance.

Other: UPS, etc. on request.




- 100% 1 year warranty on any defect resulting from normal use.



  • Residents of Massachusetts are required to pay a 5% sales tax.
  • Maximum instruments cannot ship to P.O. box addresses.

Most orders ship from our Massachusetts facility within one business day of receipt. Please allow 5-7 days for delivery. Allow an additional 7-10 days for orders including an engraved brass plaque.

Inspeed will pass along the actual delivery charges at our cost. For reference only, please expect charges on the order of:

Approx. $7 to $15 for standard delivery and insurance costs within the contiguous United States. Standard deliveries ship via UPS Ground service or Priority Mail. UPS deliveries require a street address; post office box addresses will be shipped by mail.

2nd Day Air: Approx. $20 per order (within the US)

Overnight: Approx. $30 per order
(within the US)

International: Approx. $50-$70 per order
(international Express with tracking) Canada charges likely less.



Maximum’s 5-Year Limited Warranty

Maximum, Inc. warrants the weather instruments it manufactures to be free from defects in materials and workmanship for five years from the date of original purchase. This warranty does not cover damages due to improper installation or use, lightning, damage attributable to unauthorized service or damage that can be directly identified as the result of a power surge. Nor does this warranty apply if any seal on any instrument is broken. Any defective weather instrument returned to Maximum during the warranty period will be repaired or replaced, at the option of Maximum, free of charge.

The foregoing is in lieu of all other express warranties.

Online Warranty Card

Click here to fill out the Online Warranty Card


The instrument must be returned, postage prepaid, to:
        Maximum, Inc.
        30 Samuel Barnet Boulevard
        New Bedford, MA  02745
        Tel. (508) 995-2200
... and should be accompanied by a return address and a brief statement of the malfunction. Services under this warranty will be available at any time of the year and will be completed within three weeks after the instrument is returned. The return of the warranty card is not a condition of warranty coverage, but may serve as evidence of your date of purchase.