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Version 1.0  

 

 

©Copyright 2013, Ambient LLC. All Rights Reserved. 

 

 

 

Page 4 

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.    Turn  counter-clockwise  (+)  to  increase  the  barometer  and  clockwise  (-)  to  decrease  the 
barometer. 
 
Continue  this  procedure  until  the  proper  pressure  reading  is  obtained.  Do  not  turn  the  screw 
counter-clockwise (to the left) too far, since the screw can fall out.    If the barometer needle exceeds 
the measurement range, do not continue to turn the set screw. This is likely occurring because you live 
outside the barometer operating range. 
 
After the initial calibration, no further adjustment will be required unless the barometer is moved to a 
new geographic location. 

4.

 

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. To receive warranty service, the purchaser must contact 
Ambient, LLC for problem determination and service procedures.   
 
Warranty service can only be performed by a 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 
owner’s manual; (3) damage resulting from the performance of repairs or alterations by someone other 
than an authorized Ambient, LLC authorized service center; (4) units used for other than home use (5) 
applications and uses that this product was not intended, such as outdoor use. 
 
This  warranty  covers  only  actual  defects  within  the  product  itself,  and  does  not  cover  the  cost  of 
installation  or  removal  from  a  fixed  installation,  normal  set-up  or  adjustments,  claims  based  on 
misrepresentation  by  the  seller  or  performance  variations  resulting  from  installation-related 
circumstances. 

5.

 

Liability Disclaimer 

Reading the “User manual” is highly recommended. The manufacturer and supplier cannot accept any 
responsibility for any incorrect readings and any consequences that occur should an inaccurate reading 
take place. 
 
The specifications of this product may change without prior notice. 
 
This product is not a toy. Keep out of the reach of children. 
 
No part of this manual may be reproduced without written authorization of the manufacturer. 
 
Ambient,  LLC  WILL  NOT  ASSUME  LIABILITY  FOR  INCIDENTAL,  CONSEQUENTIAL, 
PUNITIVE,  OR  OTHER  SIMILAR  DAMAGES  ASSOCIATED  WITH  THE  OPERATION  OR 

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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