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©Copyright 2013, Ambient LLC. All Rights Reserved. 

 

 

 

Page 1 

Fischer 1508B-45 5" Polished Brass Marine Barometer 

User Manual

 

 

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.

 

Warranty Information ...................................................................................................................... 4

 

5.

 

Liability Disclaimer ........................................................................................................................ 4

 

 

 

Summary of Contents for Fischer 1508B-45

Page 1: ...Brass Marine Barometer User Manual 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 Warranty Information 4 5 Liability Disclaimer 4 ...

Page 2: ...sure to dry the lens and bezel with a soft cloth after cleaning 3 Barometer Operation Figure 1 A Barometer Mechanism Case B Barometer calibration set screw 3 1 How the aneroid barometer works An aneroid barometer uses a small flexible metal box called an aneroid cell This aneroid capsule cell is made from an alloy of beryllium and copper The evacuated capsule is prevented from collapsing by a stro...

Page 3: ...r conditions cold and dry in the winter A slow but continuous drop in barometric pressure will indicate persistent bad weather Slow drops of 2 3 tenths mbar per 24 hours a depression of some distance away Drops of 1 2 tenths mbar per hour means disturbances nearby of short duration Steep drops of 6 10 tenths mbar within 4 5 hours period indicates coming rain and or storm with strong winds 3 3 Abso...

Page 4: ... Ambient LLC The original dated bill of sale must be presented upon request as proof of purchase to Ambient LLC Your Ambient LLC warranty covers all defects in material and workmanship with the following specified exceptions 1 damage caused by accident unreasonable use or neglect lack of reasonable and necessary maintenance 2 damage resulting from failure to follow instructions contained in your o...

Page 5: ...Version 1 0 Copyright 2013 Ambient LLC All Rights Reserved Page 5 MALFUNCTION OF THIS PRODUCT ...

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