Xylem 45158 HANDHELD ANEMOMETERS User Manual
Page 4
Model 45158 - Version 1.8 - May 2003
4
Unit of Measure Conversion Tables
Units Conversion Table
m/s ft/min Knots km/h MPH
1 m/s =
1
196.87
1.944
3.6
2.24
1 ft/min =
0.00508
1
0.00987
0.01829
0.01138
1 knot =
0.5144
101.27
1
1.8519
1.1523
1 km/h =
0.2778
54.69
0.54
1
0.6222
1 MPH =
0.4464
87.89
0.8679
1.6071
1
Beaufort Conversion Table
Beaufort
Km / Hour
MPH
Knots
Meter/Sec
0 <1 <1 <1 0-0.2
1 1-5 1-3 1-3 0.3-1.5
2 6-11 4-7 4-6 1.6-3.3
3 12-19 8-12 7-10 3.4-5.4
4 20-28 13-18 11-16 5.5-7.9
5 29-38 19-24 17-21
8.0-10.7
6 39-49 25-31 22-27
10.8-13.8
7 50-61 32-38 28-33
13.9-17.1
8 62-74 39-46 34-40
17.2-20.7
9 75-88 47-54 41-47
20.8-24.4
10 89-102 55-63 48-55 24.5-28.4
11 103-117 64-72 56-63 28.5-32.6
12 to 17
above 117
above 72
above 63
above 32.6
Warranty
EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and
workmanship for one year from date of shipment (a six month limited warranty applies on sensors and
cables). If it should become necessary to return the instrument for service during or beyond the warranty
period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our
website at www.extech.com (click on Contact Extech and go to Service Department to request an RA
number). A Return Authorization (RA) number must be issued before any product is returned to Extech. The
sender is responsible for shipping charges, freight, insurance and proper packaging to prevent damage in
transit. This warranty does not apply to defects resulting from action of the user such as misuse, improper
wiring, operation outside of specification, improper maintenance or repair, or unauthorized modification.
Extech specifically disclaims any implied warranties or merchantability or fitness for a specific purpose and
will not be liable for any direct, indirect, incidental or consequential damages. Extech's total liability is limited
to repair or replacement of the product. The warranty set forth above is inclusive and no other warranty,
whether written or oral, is expressed or implied.
Copyright ©
2003 Extech Instruments Corporation.
All rights reserved including the right of reproduction in whole or in part in any form.