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Supplier: Maximum Weather Instruments
Description: The finest aneroid barometer available today for under $700. Proteus is temperature compensated and accurate to within +-0.08 inches of mercury. The dial displays in inches of mercury (27.5"-31.5") and kilopascals (93.2-106.7), and is equipped with a resettable needle pointer
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Supplier: Maximum Weather Instruments
Description: The finest aneroid barometer available today for under $700. Proteus is temperature compensated and accurate to within +-0.08 inches of mercury. The dial displays in inches of mercury (27.5"-31.5") and kilopascals (93.2-106.7), and is equipped with a resettable needle pointer
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Supplier: Maximum Weather Instruments
Description: The finest aneroid barometer available today for under $700. Proteus is temperature compensated and accurate to within +-0.08 inches of mercury. The dial displays in inches of mercury (27.5"-31.5") and kilopascals (93.2-106.7), and is equipped with a resettable needle pointer
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Supplier: Maximum Weather Instruments
Description: The finest aneroid barometer available today for under $700. Proteus is temperature compensated and accurate to within +-0.08 inches of mercury. The dial displays in inches of mercury (27.5"-31.5") and kilopascals (93.2-106.7), and is equipped with a resettable needle pointer
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Supplier: Traceable® Products
Description: Traceable® Precision Barometer's triple scales provide a sensitive measure of atmospheric pressure from 954 to 1073 millibars, 28.1 to 31.7 inches of mercury, and 715 to 805 millimeters of mercury with a resolution of 0.5 mbar, 0.05 InHg, and 0.5 mmHg. Accuracy is ±0.5% of
- Height: 4.425 inch
- Weight: 1 lbs
- Instrument Display Options: Analog Display
- Instrument User Interface Options: Analog Front Panel
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Supplier: Traceable® Products
Description: Barometer, altimeter, thermometer, stopwatch, and time of day clock-all in the palm of your hand! Handheld Digital Barometer measures altitude, temperature, and barometric pressure. Also has a stopwatch/time of day clock and graphically displays the barometric pressure trend. Traceable
- Height: 4 inch
- Weight: 0.2291875 lbs
- Operating Temperature: -40 to 158 F
- Features: Battery Powered, Integral Datalogger / Memory
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Supplier: ASTM International
Description: recognized as a hazard. When using equipment containing or requiring the use of mercury, take all precautions and care to avoid the escape of mercury vapor or the spillage of mercury. Maximum limits for mercury concentrations in industrial atmospheres are set by
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Supplier: RS Components, Ltd.
Description: The Castle GA690 is a digital barometer designed for measuring atmospheric pressure with a high degree of accuracy and repeatability. It is an instrument of choice for applications that require precision monitoring of the environmental barometric pressure. Results are given in mb (millibars),
- Features: Battery Powered
- Weather Component Sensed: Measures Barometric Pressure
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Supplier: Indium Corporation
Description: Several very low melting point Indalloy® alloys are liquid at room temperature. These gallium-based alloys are finding increased use in various applications as a replacement for toxic mercury, which has a high vapor pressure at room temperature. These alloys have reduced toxicity and lower
- Features: Liquid, Specialty / Other, Thermally Conductive
- Industry: Semiconductors / IC Packaging
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Supplier: Embedded Data Systems
Description: • Highly accurate Temperature, Humidity and Barometric Pressure Sensors. • Globally unique 64-Bit serial number. • Updates temperature data every 2 seconds. • Updates relative humidity, dew point, humidex, and heat index readings every second. • Updates hPa/millibars and inches of mercury
- Input (Supply) Voltage: 4 volts
- Operating Temperature: -40 C
- Features: Humidity Sensor, Light Sensor, Other, Pressure Sensor, Temperature Sensor
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Supplier: Embedded Data Systems
Description: • High accuracy ±2.5hPa. • Uses 1-Wire communication protocol. • Globally unique 64-Bit serial number. • Updates temperature data every 2 seconds. • Updates hPa/millibars and inches of mercury data every second. • Supports Conditional Search command, with user-definable conditions. •
- Input (Supply) Voltage: 4 volts
- Operating Temperature: -40 C
- Features: Other, Pressure Sensor, Temperature Sensor
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Brief historical account of the barometer
1877,Quthrie.-A sensitive mercury barometer .
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A Volumometer for small substance amounts
It passes Volumometer luftverdiinnten space of the KBrper are substantially brought of a mercury barometer ,.in of that (with a certain amount of air) density of which is to determine.
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Federal Register > Wednesday, May 30, 2012 > [77 FR 31728] Elemental Mercury Used in Barometers, Manometers, Hygrometers, and Psychrometers; Significant New Us...
Mercury barometers were manufactured as a long cylindrical tube, typically closed at one end, with a mercury-filled reservoir at the base.
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Essays on the History of Respiratory Physiology
In 1644, Evangelista Torricelli described the first mercury barometer in a remarkable letter which contained the phrase “We live submerged at the bottom of an ocean of the element air, which by unquestioned experiments is known to have weight”.
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Meteorological Glossary
Since, however, it may be subject to errors introduced by imperfect elasticity of the metal etc., and to changes of zero (both generally small in modern instruments), it requires occasional checking against a mercury barometer and in the past has normally been …
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Federal Register > Tuesday, October 17, 2000 > [65 FR 61744] Amendments for Testing and Monitoring Provisions
Calibrate the barometer used against a mercury barometer .
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Code of Federal Regulations > Title 40 - Protection of Environment > Clean Air Act / Air Programs (CAA) > [40 CFR Part 60] Standards of Performance for New Sta...
Calibrate the barometer used against a mercury barometer or NIST-traceable barometer prior to each field test.