Davis Instruments 7911 Installation Manual

Standard anemometer
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Standard Anemometer
Installation Manual
The anemometer measures wind-related conditions such as wind speed, wind
direction, wind run, wind chill, and the temperature-humidity-sun-wind index.
It can be used with an EnvironMonitor Node to add wind data to an
EnvironMonitor system, as well as a replacement anemomter to your Davis
weather station.
Components
The anemometer includes the components listed below. Be sure you have all
listed components before continuing. Assess your installation and make sure
you have all necessary parts, tools, and materials pictured below before you
begin.
Anemometer
Hardware
The hardware kit contains the items
most commonly needed for the
installation of the anemometer.
Which items you use from the kit
depend on where you install your
unit. You may need to adapt or
purchase additional hardware to fit
your individual requirements.
Tools and Materials Needed
You will need the following tools
and materials to install your
anemometer:
• Cable Clips or Weather-Resistant Cable Ties
Note:
Make sure the clips or ties you use to secure the anemometer cable have screw holes or other
means for mounting the cable. Do not use metal staples to secure the cables.
Anemometer Arm
with 40 feet (12.2 meters)
of cable
Base
Wind Vane
Wind Cups
1

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Summary of Contents for Davis Instruments 7911

  • Page 1 Standard Anemometer Installation Manual The anemometer measures wind-related conditions such as wind speed, wind direction, wind run, wind chill, and the temperature-humidity-sun-wind index. It can be used with an EnvironMonitor Node to add wind data to an EnvironMonitor system, as well as a replacement anemomter to your Davis weather station.
  • Page 2: Testing The Anemometer

    Testing the Anemometer • Stainless Steel Hose Clamps • Small Screwdrivers • Adjustable Wrench • Hand-Held Compass or Local Area Map Testing the Anemometer Before beginning your installation, follow the instructions below to test the anemometer wind speed and wind direction functions. 1.
  • Page 3: Choosing The Best Anemometer Location

    Choosing the Best Anemometer Location Attaching the Wind Cups Before installing the anemometer, attach the wind cups. Wait until you have installed the anemometer before you attach the wind vane. 1. Push the wind cups onto the smaller of the two stainless steel shafts. Push cups onto stainless steel shaft...
  • Page 4: Installing The Anemometer

    Installing the Anemometer default, the wind vane reports the correct wind direction if the anemometer arm points true north. To ensure correct orientation of the wind vane, mount the anemometer so that the arm points true north. Installing the Anemometer Installing on a Sensor Mounting Arm Consult the Sensor Mounting Arm manual for instructions.
  • Page 5 Installing the Anemometer On a metal pipe with outside diameter greater than 11/4 inch (32 mm): 1. Use two stainless steel hose clamps to attach the mounting base to masts or pipes larger than 1 1/4" diameter, large enough to fit around the mast or pipe and the anemometer base.
  • Page 6: Maintenance

    Maintenance Installing the wind vane 1. Slide the wind vane down onto the shaft as far as it will go. (Because of the shape of the shaft, the vane will only go on one way.) 2. Use the allen wrench provided to tighten the set screw on the side of the wind vane.
  • Page 7: Troubleshooting

    Troubleshooting Troubleshooting While your anemometer is designed to provide years of trouble-free operation, occasionally problems may arise. If you are having a problem with your unit, please check the following troubleshooting procedures before sending the unit in for repair. You will be able to solve many of the problems yourself. If, after checking these procedures you are unable to solve the problem, please call Davis Technical Support for further instructions (see “Contacting Davis Instruments Technical Support”...
  • Page 8: Contacting Davis Instruments Technical Support

    Product Number: 7911 Document Part Number: 7395.032 Rev F (March 9, 2018) © Davis Instruments Corp. 2018. All rights reserved. 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.

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