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1. ambient weather Fischer 1508TH 45 5 Polished Brass Marine Thermo Hygrometer User Manual S ambient weather Table of Contents FE 527515 re e E E E E Be Core AN Ce ANG er OE EN EN Sx Thermo Nysrometer soriennsicciecrenisinriier aaea e a a E a a E aa a a a aa 3 1 How the bygromiciet WOKS sorgreiraoi eiieeii ide da ededed SM AREG EACE eo E A aaceuenteeceenaaeaeteast 4 Dial Thermometer n eae n E E E A S terrane S A Waaay Omaio 1 et ele il la ace abet aut ved leaded eee saad aealeeone Oe Malai Dis Cl amie ze saseance caccacsesatoos macsennmaucneancneatoeesesatoanst E toaaen sascasseeatoenseaneooetoeaiees aS ays HT On rN E WY GRO P Version 1 0 Copyright 2013 Ambient LLC All Rights Reserved Page 1 ambient weather 1 Introduction Fischer 1508TH 45 5 Polished Brass Marine Thermo Hygrometer 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 2 Care and Cleaning Avoid use of harsh household cleaners and coarse paper towels which can scratch the bezel or lens Fingerprints and dirt may be removed the lenses and bezels with a soft cloth lightly dampened with a mixture of water and mild dishwashing liquid Be sure to dry the lens and bezel with a soft cloth after cleaning 3 Thermo hygrometer 3 1 How the hygrometer works The hygrometer measures the indoor relative hu
2. midity 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 The coils in hygrometers respond slowly and while humidity levels change abruptly it can take an hour or more for the meter to reach an accurate reading Remember that the hygrometer is reading indoor humidity and is vastly different than outdoor humidity as reported by the National Weather Service It is not uncommon to have low humidity reading during cold weather when indoor air is heater Air conditioning also removes moisture from the air The optimum levels are 45 to 50 during heating and cooling seasons Low humidity can cause health problems and can be hard on wood furnishings High humidity can cause mold or mildew to grow 3 2 Hygrometer Accuracy Humidity measurement is among the more difficult problems in basic meteorology Accuracy is difficult to achieve and are subject to drift A further difficulty is that most hygrometers sense relative humidity rather than the absolute amount of water present but relative humidity is a function of both temperature and absolute moisture content so small temperature variations within the air in a test chamber will translate into relative humidity variations 4 3 Dial Thermometer The dial thermometer uses a bime
3. ner 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 MALFUNCTION OF THIS PRODUCT Version 1 0 Copyright 2013 Ambient LLC All Rights Reserved Page 3
4. tallic 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 By bonding two different metals together the coil bends causing the needle to move Bimetallic thermometers are not as accurate as bulb mercury or red spirit thermometers The dial thermometer Version 1 0 Copyright 2013 Ambient LLC All Rights Reserved Page 2 ambient weather should require no calibration 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 ow
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