What Is This Tool?
This unit converter helps you transform pressure measurements from centimeter water (4°C), a unit commonly used in medical and lab settings, into atmosphere technical [at], a legacy engineering unit. It supports bridging data between modern practice and older standards.
How to Use This Tool?
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Enter the pressure value in centimeter water (4°C) into the input field
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Select the target unit as atmosphere technical [at]
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Submit to receive the converted pressure value instantly
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Use the conversion formula as reference: 1 cm water (4°C) = 0.0009999725 at
Key Features
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Converts pressure units between centimeter water (4°C) and atmosphere technical [at]
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Includes contextual definitions and use cases for each unit
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Provides example conversions for quick reference
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Browser-based, user-friendly interface for instant calculations
Examples
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Convert 10 centimeter water (4°C): 10 × 0.0009999725 = 0.009999725 atmosphere technical [at]
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Convert 50 centimeter water (4°C): 50 × 0.0009999725 = 0.049998625 atmosphere technical [at]
Common Use Cases
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Reporting airway and ventilator pressures in respiratory care
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Measuring small differential pressures in laboratories using manometers
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Interpreting historical engineering documents with technical atmosphere units
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Comparing legacy pressure data with current SI unit standards
Tips & Best Practices
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Confirm that pressure values are at 4°C for accurate centimeter water conversion
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Use this tool primarily for understanding small pressures and legacy engineering data
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Double-check converted results when working with legacy equipment measurements
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Consider the difference in magnitude between units to avoid misinterpretation
Limitations
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Both units are non-SI and cater to quite different pressure ranges
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The technical atmosphere is largely outdated and mainly applies to legacy data
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Precision may vary due to differences in unit scale and usage contexts
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Conversions serve mostly interpretive and comparative purposes rather than direct instrument calibration
Frequently Asked Questions
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What pressure does one centimeter of water (4°C) represent?
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It is the hydrostatic pressure of a 1 cm column of pure water at 4°C, equating approximately to 98.0665 pascals.
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What is the technical atmosphere (at) used for?
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It is a legacy unit of pressure equal to one kilogram-force per square centimetre, historically used in engineering fields such as boilers and hydraulics.
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Why convert centimeter water (4°C) to atmosphere technical?
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To interpret small medical or laboratory pressure data in terms of older industrial pressure standards and understand legacy measurements.
Key Terminology
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Centimeter water (4°C)
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A non-SI pressure unit representing the pressure from a 1 cm column of water at 4°C, used in medical and laboratory pressure measurements.
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Atmosphere technical [at]
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A non-SI unit equal to one kilogram-force per square centimetre, historically employed in engineering and industrial pressure specifications.
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Hydrostatic pressure
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Pressure exerted by a fluid at equilibrium due to the force of gravity.