FISCHER 1508BTH-45 User Manual
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FISCHER 1508BTH-45 User Manual

Brass barometer with temperature & humidity
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Fischer 1508BTH-45 5" Brass Barometer with Temperature

Table of Contents

1.
Introduction ..................................................................................................................................... 2
2.
Care and Cleaning ........................................................................................................................... 2
3.
Barometer Operation ....................................................................................................................... 2
3.1 How the aneroid barometer works ................................................................................................ 2
3.2
Reading the barometer ............................................................................................................ 3
3.3
Absolute vs. Relative Pressure ............................................................................................... 3
3.4
Barometer Calibration ............................................................................................................ 3
4.
Hygrometer and Thermometer ........................................................................................................ 4
4.1
How the hygrometer works .................................................................................................... 4
4.2 Hygrometer Accuracy ................................................................................................................... 4
4.3 Dial Thermometer ......................................................................................................................... 4
5.
Warranty Information ...................................................................................................................... 5
6.
Liability Disclaimer ........................................................................................................................ 5
Version 1.0
& Humidity User Manual
©Copyright 2015, Ambient LLC. All Rights Reserved.
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Summary of Contents for FISCHER 1508BTH-45

  • Page 1 Fischer 1508BTH-45 5" Brass Barometer with Temperature & Humidity User Manual Table of Contents Introduction ............................. 2 Care and Cleaning ........................... 2 Barometer Operation ........................2 3.1 How the aneroid barometer works ....................2 Reading the barometer ......................3 Absolute vs. Relative Pressure ....................3 Barometer Calibration ......................

  • Page 2: Care And Cleaning

    1. Introduction Thank you for your purchase of the Fischer Instruments 1508BTH-45 5" Brass Barometer with Temperature & Humidity. The following is a guide for preparation, care and operation of your marine weather instrument. Note: Some of the images are generic and may not match your exact model.

  • Page 3: Reading The Barometer

    was invented by Blaise Pascal. 3.2 Reading the barometer The ability if the barometer to indicate changes in barometric pressure makes it a useful instrument in weather forecasting. 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).

  • Page 4: Hygrometer And Thermometer

    Wunderground.com), and set your weather station to match the official reporting station. Your barometer will operate from -100 to 3,000 feet with reliable accuracy. Aneroid barometers have a small screw on the back for sea-level calibration (reference Figure 1, B). With a flat blade screwdriver, turn this screw in either direction slightly while looking at the indicator needle.

  • Page 5: Warranty Information

    thermometers are not as accurate as bulb (mercury or red spirit) thermometers. The dial thermometer should require no calibration. 5. Warranty Information Ambient, LLC provides a 5-year limited warranty on this product against manufacturing defects in materials and workmanship. This limited warranty begins on the original date of purchase, is valid only on products purchased and only to the original purchaser of this product.

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