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Convert Linear Input to Square Root Extraction Output

Linear Input Parameters
Input Unit [?]
Input Reading [?]
Low Input Limit [?]
High Input Limit [?]
Square Root Output Parameters
Output Unit [?]
Low Output Limit [?]
High Output Limit [?]
Output Reading [?]

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Invert the low & high range limit settings for the input or output side



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Square root extraction measurement products
  • XMD Process Plant DP Cell Differential Pressure Transmitter
  • DP transmitter with for measuring 300inH2O gas flow across orifice plate
  • 10 kPa orifice plate differential pressure transmitter for water flow measurement
  • Universal Strain Gauge Bridge Input Transmitter – STRAIN

Contents

  • Related Tools
  • User Guide
    • Input
      • Input Unit
      • Linear Input Reading
      • Lowest Linear Input
      • Highest Linear Input
    • Output
      • Output Unit
      • Lowest SqRt Output
      • Highest SqRt Output
      • SqRt Output Reading
    • Formula
      • Symbols
  • Help
    • Linear to SqRt % span formula
    • 0-300 pascals dp to 0-12,000 cubic metres per hour flow conversion
    • SqRt extraction to convert inH20 pressure to mmscfd flow
    • 4-20mA linear to 0-100% flow

Related Tools

  • Square root extraction input to linear output converter
  • Linear input to linear output converter

User Guide

This linear input to square root extraction output conversion tool provides an easy way to determine the ideal sqrt output produced by a measurement instrument for any given linear input value. A conversion scale for each specified linear input and sqrt extraction output range combination selected will be displayed below the calculated output.

Input

Input Unit

Enter the measurement unit associated with the input values.

Linear Input Reading

Enter the linear input measurement reading to be converted.

Lowest Linear Input

Enter the minimum possible value for the input range.  The value can be a negative or a positive value and should be in the same engineering units as all Linear Input values.

Highest Linear Input

Enter the maximum possible value for the input range.  The value can be a negative or a positive value and should be in the same engineering units as all Linear Input values.

Output

Output Unit

Enter the measurement unit associated with the output values.

Lowest SqRt Output

Enter the minimum possible value for the output range.  The value can be a negative or a positive value and should be in the same engineering units as all Square Root Extraction Output values.

Highest SqRt Output

Enter the maximum possible value for the output range.  The value can be a negative or a positive value and should be in the same engineering units as all Square Root Extraction Output values.

SqRt Output Reading

This is the ideal Square Root Extraction Output for the specified Linear Input Reading and excludes all measurement device errors and uncertainties.

Formula

SRR = ((LI - LLI)/(HLI - LLI))1/2 x (HSO - LSO) + LSO

Symbols

  • LI = Linear Input
  • LLI = Lowest Linear Input
  • HLI = Highest Linear Input
  • SRO = Square Root Extraction Output
  • LSO = Lowest Square Root Extraction Output
  • HSO = Highest Square Root Extraction Output
Square root extraction measurement products
  • DPT200 Pressurised Tank Level Differential Pressure Transmitter
  • 10 kPa orifice plate differential pressure transmitter for water flow measurement
  • DPT200 High One Side Overload Differential Pressure Sensor
  • ISOCON Universal Analogue Measurement and Control Signal Input to Output Converter

Help

Linear to SqRt % span formula

What is the formula for converting a linear reading as percentage of span to a square root reading?

The formula is as follows:

%SqRtSpan = √ (%LinSpan/100) x 100

0-300 pascals dp to 0-12,000 cubic metres per hour flow conversion

We have a differential pressure of 0 to 300 pascals which is feeding a DP transmitter that sends a square root extractor input to a DCS system measuring a flow rate of 0 – 12,000 m3/hour. What flow rates should we expected to see at different pressures over the 0 to 300 Pa range?

The following conversion scale shows 10 points over the 0 to 300 Pa range for you to compare with actual flow being measured.

0-300Pa to 0-12000 m3/hr conversion scale

SqRt extraction to convert inH20 pressure to mmscfd flow

What is the exact calculation that is performed when we are selecting square root as a transfer function for flow measurement? For example, if 0-100 mmscfd (million standard cubic feet per day) is the flow range and 0-100 inH2O is the differential pressure sensor range. When the DP is 50 inH2O, the flow will be 50 mmscf if the linear range is selected. In the case of square root what will be the flow when the DP is 50 inH2O?

Using this formula the flow generated by 50 inH2O is:

50 inH2O = 70.710625 mmscf

0-100 linear to sqrt conversion scale

4-20mA linear to 0-100% flow

How do you convert mA to percentage square root extraction of flow measurement?

Enter the following into this calculator for a 4-20mA signal to square root percentage conversion:

Linear Input (4-20mA)

  • Reading ?
  • Lowest 4
  • Highest 20

Square Root Extraction Output (%)

  • Lowest 0
  • Highest 100

This is a 10 point scale showing the conversion values:

4-20ma lin to 0-100pc sqrt scale

Square root extraction measurement products
  • DPS Low Differential Pressure Transmitter DPS Low Differential Pressure Transmitter
  • Low Differential Pressure Transmitters Pitot tube air flow calculation 1000 hPa differential pressure transmitter
  • ISOCON Universal Analogue Measurement and Control Signal Input to Output Converter
  • 250″wc Orifice plate flow measurement dp transmitter

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Tool Sections

  • Area
  • Chemical Quantities
  • Circular Shapes
  • Density
  • Diameter & Radius
  • Energy & Power
  • Electrical & Electromagnetic
  • Flow
  • Force, Load & Torque
  • Length & Distance
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Universal Signal Converter

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