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Eco-celli Barometer How
It Works The Eco-celli is a new concept in liquid barometers with the precision of a mercury barometer without the mercury hazard. The Eco-celli looks similar to a traditional mercury barometer but the basic principle is completely different, based on the compressibility of gasses instead of the weight of liquid mercury. Looking at your Eco-celli, on the upper left-hand side of the barometer you can see the gas reservoir above the red fluid tube. The gas provides a constant counter-pressure against the atmospheric pressure. High
Pressure or Increasing Pressure: Air pressure pushes down on the open
side of the barometer tube onto the surface of the red fluid.
The gas in the barometer will be compressed and you will notice the red
fluid level in the right hand portion of the barometer tube falling.
High pressure or increasing pressure indicates fair or improving weather Low
Pressure or Decreasing Pressure:
A very important factor in measuring
air pressure is the temperature.
High temperatures will cause fluids and gases to expand causing an error
in the readout of the barometer scale.
The Eco-celli has solved that problem.
On the right side of the Eco-celli is mounted a high precision
thermometer parallel to the barometer tube.
This thermometer has the same thermal expansion/compression rate as the
barometer. With
the help of a movable scale attached to both the barometer and thermometer
tubes, you set the scale to the actual temperature (top of blue fluid level).
The error caused by the temperature is automatically corrected and you
can now read the correct air pressure.
On the barometer scale, there is a slider.
This is the tendency pointer.
As you read the air pressure (top of red fluid) place the slider at that
point. When
air pressure fluctuations occur, the red fluid level will differ from the last
position of your pointer.
The difference is the indication of the coming weather.
The amount and speed of the changes in air pressure give a good
indication of when to expect weather changes.
The weather forecast distributed on television and radio are only for a
broad area and do not take into account factors such as forests, lakes, rivers,
etc. These
effects in meteorology are called “ the micro-climate”.
With the help of your Eco-celli barometer, you will be able to make
forecasts for your own “micro-climate” for a time interval of 6 to 12 hours
in advance. The
Eco-celli remarkable and important advantages 1.
The barometer system does not contain any mercury, but it does contain fluid based on
red-pigmented manometer oil.
The thermometer is filled with blue colored methyl alcohol. 2.
The scale is 4 times larger than a standard mercury barometer and with
the highly colored fluid, much easier to read.
3.
The barometer tubes are handcrafted out of high quality capillary glass.
All glass tension is removed during production.
This, together with the low specific gravity of the colored oil, insures
safe movement and shipment of the barometer. 4.
Due to the unique construction of the Eco-celli, there are no problems
moving the unit from place to place or even placing it vertically.
The rising or falling of the red fluid will be reduced by the
construction in order to prevent mixture of oil and gas. Initial Setup When you receive your Eco-celli barometer you will notice that the upper right-hand tube has a rubber hose with a rubber plug attached to its end. · Hang the barometer on a wall. If you notice gaps in the red fluid column, pinch the rubber tube between your thumb and pointing finger. You will see the gaps disappear. · Now remove carefully the rubber plug and rubber hose. Insert the hollow glass plug that was included with your Eco-celli into the end of the red fluid tube. This plug prevents dust from mixing with the fluid but allows air pressure to enter the tube. · The barometer is now fully functional. Please wait at least one hour before taking pressure readings. This allows the instrument to reach the same temperature as its surroundings. Taking
a Reading Located between the barometer (red fluid) and thermometer (blue fluid) is the barometer scale. Once the unit has acclimatized with its surroundings, you may begin taking air pressure readings. · Slide the entire scale up or down until the thermometer pointer is even with the top of the blue fluid level of the thermometer. By doing this, temperature correction is completed and pressure readings may be taken.
Set the tendency pointer
on the barometer tube to the top of the red fluid level and take your reading
off of the scale.
The reading will be in inches.
The next time you take a reading, you should see a difference between the
location of the tendency pointer and the level of the red fluid.
Unless there is severe weather approaching, air pressure does not change
rapidly so allow several hours between readings. Calibration
of the Eco-celli Barometer The Eco-celli barometer is calibrated
to sea level (0 feet).
When you install the barometer in an area that has a different height
(more than 100 feet) above or below sea level, you will need to calibrate
your barometer.
A calibration kit comprised of a syringe, needle stub, and capillary tube
was included with your barometer.
There are two methods of calibration.
Method one: the first thing you will need is the current local air
pressure. Contact
a local airport, television station, National Weather Service office, or visit a
weather web site such as weather.com.
Once you have the correct local air pressure, remove fluid from the red
tube using the calibration set until the fluid level matches the correct air
pressure. Have
paper towels available to catch any spills as the colored oil will stain
anything it comes in contact.
Note: Only use this method if the
above method is not possible. The second calibration method is to
calculate the air pressure difference from sea level.
To find your height above sea level, contact your local city/town hall.
Each 25 feet above sea level is equal to 0.03 inches on the scale.
Remove the calculated amount of fluid until the correct fluid level is
reached. Please
save the removed fluid in the syringe so it may be added if the barometer is
moved to a different location. Important
Notes: ·
CAUTION WITH HIGH TEMPERATURES.
The barometer is very heat sensitive.
Do not place this barometer on places that will be overheated by the sun.
The barometer will not function properly and the thermometer will be
damaged if the temperature is above 120 degrees F. · SPILLING OF THE COLORED FLUIDS Caution: The thermometer and barometers tubes contain chemicals that may cause skin irritation. Wear protective gloves when handling the liquid. If skin becomes exposed to any fluid, wash the area with warm water and soap. The chemicals may cause eye irritation if splashed into the eye. Always wear eye protection when handling the liquid. If the eye is exposed to the fluids, flush the eye with warm water to remove. The dyes used in the fluids are very strong colorants and will stain anything they come in contact with. Wash any spill immediately with soap and water to minimize staining . Disposal: In case of a spill of the fluids, absorb the fluid with paper towels or inert absorbent material such as sand or kitty litter. Place in a sealed plastic bag and dispose of as chemical waste. Do not flush down the drain, as the chemicals are hazardous to marine life.
TRANSPORTATION.
If the barometer is to be transported, you should close the end of the
barometer tube with the rubber hose and rubber stopper. ·
MAINTENANCE.
Use a dry lint free cloth.
Use of abrasive cleaning products is prohibited.
Woodwork and metal parts can be maintained with the help of a bee-wax
containing spray and lint free cloth.
DO NOT spray directly onto the instrument.
Spray a bit of product onto a cloth and gently rub the woodwork and metal
parts. |
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