background image

Sonic Anemometer Installation Manual

Product Number: 6415                                                       Document Part Number:  7395.378 Rev D  (3/5/20)

© Davis Instruments Corp. 2020. All rights reserved.
Vantage Pro is a registered trademark of Davis Instruments Corporation, Hayward, CA. Information in this 
document subject to change without notice. Davis Instruments Quality Management System is ISO 9001 
certified.

3465 Diablo Avenue, Hayward, CA 94545-2778 U.S.A.

510-732-9229 • Fax: 510-732-9188

info@davisinstruments.com  •  www.davisinstruments.com

Specifications

General

Operating Temperature. . . . . . . . . . .  +5°F to +131°F (

15°C to +55°C)

Attached Cable Length   . . . . . . . . . .  40' (12 m)
Cable Type . . . . . . . . . . . . . . . . . . . .  4-conductor, 26 AWG
Connector . . . . . . . . . . . . . . . . . . . . .  Modular connector (RJ-11)
Maximum Cable Length  . . . . . . . . . .  250’ (76 m)

Sensor Output

Wind Direction

Display Resolution. . . . . . . . . . . . . .  16 points (22.5°) on compass rose, 1° in 

numeric display

Accuracy . . . . . . . . . . . . . . . . . . . . . ±2 degrees at wind speeds >7 mph (3 m/s); 

±4 degrees at wind speeds < 7 mph (3 m/s)

Wind Speed

Resolution and Units . . . . . . . . . . . .  Measured in 1 mph. Other units are 

converted from mph and rounded to nearest 
1 km/h, 

0.1 m/s, or 1 knot

Range . . . . . . . . . . . . . . . . . . . . . . .  0 to 89 mph, 0 to 78 knots, 0 to 40 m/s, 

0 to 144 km/h

Accuracy . . . . . . . . . . . . . . . . . . . . .  ±2 mph (2 kts, 3 km/h, 1 m/s) or ±4%, 

whichever is greater

Input/Output Connections

Black . . . . . . . . . . . . . . . . . . . . . . . .  Wind speed contact closure to ground
Red . . . . . . . . . . . . . . . . . . . . . . . . .  Ground
Green  . . . . . . . . . . . . . . . . . . . . . . .  Wind direction pot wiper 

                                                     (20K

 potentiometer)

Yellow  . . . . . . . . . . . . . . . . . . . . . . .  Pot supply voltage
Wind Speed Translation Formula  . .  V = P(2.25/T) (V = speed in mph, P = no. of 

pulses per sample period, T = sample period 
in seconds))

Wind Direction Translation  . . . . . . .  Variable resistance 0 - 20K

10K

 = south, 180°

Summary of Contents for 6415

Page 1: ...c Anemometer USER MANUAL Davis Instruments 3465 Diablo Avenue Hayward CA 94545 2778 U S A 510 732 9229 www davisinstruments com R For Vantage Pro2 EnviroMonitor and Sensor Transmitter Product number 6...

Page 2: ......

Page 3: ...ternal battery It can be used with an EnviroMonitor Node to add wind data to an EnviroMonitor system as well as a replacement anemometer to your Davis weather station Installed in a Sensor Transmitter...

Page 4: ...d hardware shown below Be sure you have all components shown before continuing Sonic Anemometer U Bolts Mounting Brackets Nuts Sensor Aligning Tool 40 12 m Sensor Cable Battery Cables Cap Solar Panel...

Page 5: ...is to place the anemometer 33 10 m above the ground Seek professional help for this type of installation The standard for agricultural applications is to place the anemometer 6 2 m above the ground T...

Page 6: ...or on a pole with a diameter of 1 4 to 1 9 inches 35 mm 48 mm 1 Place the U bolt around the pole and slide the brackets over the threaded ends with the flat part of the bracket facing outward 2 Slide...

Page 7: ...n the U bolts Split end of aligning tool Pointed end of aligning tool NORTH is on this side Note For more precise directional installation you may use the included aligning tool Clip the provided alig...

Page 8: ...oam aside 3 Insert the Sonic Anemometer cable end into the cable access port from beneath the box 4 Firmly insert the RJ connector into the socket labeled WIND 5 Firmly insert the foam in between the...

Page 9: ...taples can cut the cables Configure your Console 1 On your Vantage Pro 2 console enter the Setup Mode by pressing DONE and the key at the same time 2 Press DONE repeatedly to scroll through the screen...

Page 10: ...ry LiFePO4 battery Any other power supply can be hazardous and will void the warranty Handle the battery with care There is a risk of fire if the battery is not correctly handled Do not attempt to ope...

Page 11: ...t If you still do not get a reading the problem is with the anemometer Contact Davis Technical Support for return authorization Wind speed reading seems too high or too low Check for any obstructions...

Page 12: ...Modular connector RJ 11 Maximum Cable Length 250 76 m Sensor Output Wind Direction Display Resolution 16 points 22 5 on compass rose 1 in numeric display Accuracy 2 degrees at wind speeds 7 mph 3 m s...

Reviews: