Version
1.0
©Copyright
2011,
Ambient
LLC. All Rights Reserved.
Page 5
pressure.
To determine the relative pressure for your location, locate an official reporting station near you (the
internet is the best source for real time barometer conditions, such as Weather.com or
Wunderground.com), and set your weather station to match the official reporting station.
4.4
Barometer Calibration
Your barometer will operate from -100 to 7,000 feet with reliable accuracy. Aneroid barometers have a
small screw on the back for sea-level calibration. With a flat blade screwdriver, turn this screw in
either direction slightly while looking at the indicator needle. It should move in one direction or the
other. Tap the barometer to see where the needle settles. 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. After the initial calibration, no further adjustment will be required unless the
barometer is moved to a new geographic location.
5.
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
.
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
should require no calibration.
6.
Waterproof and Corrosion Proof Specifications
This unit is waterproof with double seals on the front and back of the unit and can be submersed in
300mm of water for 3 months and includes a 5 year warranty against corrosion.
The manufacturing process includes double plating: Physical Vapor Deposition (PVD) Zirconium
plating over Chromium plating. Zirconium is a metal which has a high hardness and melting point. It
is corrosion resistant, and will never tarnish, discolor or scratch.
The surface of Zirconium Coating has the color of brass, with a mirror, hand polished finish. The
aluminous dial is suitable for various weather harsh conditions.
High quality stainless steel mounting screws with PVD Zirconium plating are included. All fasteners
are made of stainless steel, suitable for salt water environments.
7.
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.
