Ambient Weather WS-YG302 User Manual
Ambient Weather WS-YG302 User Manual

Ambient Weather WS-YG302 User Manual

Cherry finish brass dial traditional

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Ambient Weather WS-YG302 Cherry Finish Brass Dial
Traditional Weather Station User Manual

Table of Contents

1.
Introduction ..................................................................................................................................... 2
2.
Preparation ...................................................................................................................................... 2
3.
Care and Cleaning ........................................................................................................................... 2
4.
Hygrometer (Humidity Meter) ........................................................................................................ 3
4.1
How the hygrometer works .................................................................................................... 3
4.2
Hygrometer Accuracy............................................................................................................. 3
5.
Aneroid Barometer .......................................................................................................................... 3
5.1
How the aneroid barometer works ......................................................................................... 3
5.2
Reading the barometer............................................................................................................ 3
5.3 Absolute vs. Relative Pressure ...................................................................................................... 4
5.4
Barometer Calibration ............................................................................................................ 4
6.
Dial Thermometer ........................................................................................................................... 5
7.
Installation ....................................................................................................................................... 5
8.
Measurement Specifications ........................................................................................................... 5
9.
Warranty Information ...................................................................................................................... 5
Version 1.1
©Copyright 2011, Ambient LLC. All Rights Reserved.
Page 1

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Summary of Contents for Ambient Weather WS-YG302

  • Page 1 Ambient Weather WS-YG302 Cherry Finish Brass Dial Traditional Weather Station User Manual Table of Contents Introduction ............................. 2 Preparation ............................2 Care and Cleaning ........................... 2 Hygrometer (Humidity Meter) ......................3 How the hygrometer works ....................3 Hygrometer Accuracy......................3 Aneroid Barometer ..........................
  • Page 2 1. Introduction Thank you for your purchase of the Ambient Weather WS-YG302 Cherry Finish Brass Dial Traditional Weather Station. The following is a guide for preparation, care and operation of your traditional weather station. Figure 1 2. Preparation Your weather instrument includes a protective pad to prevent damage to the barometer glass case during shipment.
  • Page 3 4. Hygrometer (Humidity Meter) 4.1 How the hygrometer works The hygrometer measures the indoor relative humidity. The sensor measures the air moisture by a sensitive mechanical coil spring that is bonded with a moisture absorbent material. Hygrometers register the percentage of water vapor present in the air, compared to the maximum amount that can be present at a given temperature.
  • Page 4 The weather forecast or pressure tendency is based on the rate of change of barometric pressure. In general, when the pressure increases, the weather improves (sunny to partly cloudy) and when the pressure decreases, the weather degrades (cloudy to rain). The weather forecast is an estimation or generalization of weather changes in the next 24 to 48 hours, and varies from location to location.
  • Page 5 6. Dial Thermometer The dial thermometer uses a bimetallic strip wrapped into a coil. One end of the coil is fixed to the housing of the device and the other drives an indicating needle. The principle behind a bimetallic strip thermometer relies on the fact that different metals expand at different rates as they warm up.

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