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Oakton WD-03316-72 Aneroid Barometer, Metric

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Original price was: $506.50.Current price is: $422.08.

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Oakton Temperature Compensated Barometer, 930 to 1070 mbar, 698 to 802 mm Hg

  • Bimetal element provides temperature compensation for aneroid capsule
  • Needs no batteries or external power
  • Choose from mbar/mm Hg or mbar/inches Hg models
  • Includes an attractive brass case and include a bezel for easy bulk-head mounting
  • Use these economical instruments for long-term temperature, relative humidity and barometric pressure monitoring
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Description

Oakton WD-03316-80 – Aneroid Barometer with Digital Thermometer

  • Bimetal element provides temperature compensation for aneroid capsule
  • Needs no batteries or external power
  • Choose from mbar/mm Hg or mbar/inches Hg models
  • Includes an attractive brass case and include a bezel for easy bulk-head mounting
  • Use these economical instruments for long-term temperature, relative humidity and barometric pressure monitoring

These barometers accurately measure atmospheric pressure from sea level up to 2000 feet. They also simultaneously monitor temperature with a built-in glass thermometer. Bimetallic temperature compensation preserves pressure reading accuracy at any temperature. They feature an attractive brass case and include a bezel for easy bulk-head mounting.

Introduction

Thank you for purchasing an OAKTON Barometer. You have one of three models. All models are ideal for monitoring impending weather changes and temperature. They are intended for indoor use only.

Aneroid barometers 03316-70 and -72 feature a built-in bimetallic element (which provides temperature compensation for the aneroid capsule) and a glass thermometer.

Barometer 03316-80 features a °F/°C selectable digital display

Aneroid barometer with inches Hg scale
(model number 03316-70)

Aneroid barometer with mm Hg scale
(model number 03316-72)

Barometer with digital thermometer
(model number 03316-80)

Operation

Barometric pressure readings require no external power.
Note: “High pressure” and “low pressure” are relative terms. There is no distinct point on the scale that clearly defines where low pressure and high pressure begins, and vice versa.

Setting the reference needle

Your barometer features a reference needle (gold) and an indicator needle.

  • The reference needle shows where the barometric pressure started.
  • The indicator needle shows the current barometric pressure.

Use the adjusting knob on the front center of the unit to align the gold reference needle on top of the indicator needle. After several hours, the indicator needle will move upward move downward, or remain still.

  • Upward movement means improved weather
  • Downward movement means deteriorating weather (rain or snow).
  • No movement means no weather change

Sea level corrections

Since air pressure changes with altitude, you must compensate your barometer accordingly. The higher you are above sea level, the lower (to the left) the indicator needle will move on the barometer.

Example: At at an altitude of 100 meters (330 feet), the barometer will drop about 12 millibar (mb). To compensate for that altitude, simply add back the 12 mb. Therefore, a reading of 1000 mb at sea level becomes 1012 mb at 100 meters altitude (see the sea level conversion chart below). To adjust the barometer to your altitude, turn the adjusting screw on the back center of the instrument to adjust the indicator needle.

We recommend that you adjust your barometer after unpacking, and again about once a year.

Product General Attributes

Product Height3.00 IN
Product Length8.25 IN
Product Width8.10 IN
HTS/Schedule B Number9025.80.1500
ECCN NumberEAR99
Country of OriginJapan
Shipping Height3.00 IN
Shipping Length8.25 IN
Shipping Width8.10 IN

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Dimensions8.25 × 8.1 × 3 in
Oakton WD-03316-72 Aneroid Bar...

Original price was: $506.50.Current price is: $422.08.

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