Entity
EntityValue
EntityClass
EntityList
QuantityMagnitude
Quantity

Physics

Visualize Ranges of Pressure Measurements

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Explore built-in data on pressure-measuring devices in the entity framework

Get the number of available measurement devices which are used to measure pressure:

In[1]:=

pressure measurement devices

MEASUREMENT DEVICES

["EntityCount"]

Out[1]=

Observe that some of the devices are optimized for low-pressure regimes, while others deal with much higher pressures:

In[2]:=

piezoelectric sensor

MEASUREMENT DEVICE



normal range



Out[2]=



Acceleration



100)

Pressure



(10

100)

MPa



In[3]:=

hot-filament ionization gauge

MEASUREMENT DEVICE



normal range



Out[3]=



Pressure



100000000

1000



Obtain a list of all pressure measurement devices:

In[4]:=

data=

pressure measurement devices

MEASUREMENT DEVICES



name

normal range

;

Extract the typical normal ranges in units of pascals and sort them by their normal range:

In[5]:=

deviceRanges=SortBy[Function[{name,range},{name,QuantityMagnitude[QuantityVariable["Pressure"]/.range,"Pascals"]}]@@@DeleteMissing[data,1,2],Last];

Plot the normal ranges on the pressure line:

In[6]:=

pInterval[{name_,Interval[{pmin_,pmax_}]},{n_}]:=Tooltip[{{pmin,n},{pmax,n}},name]ListLogLinearPlotMapIndexed[pInterval,deviceRanges],

opts



Out[6]=

	pressure gauge
	hot-filament ionization gauge
	McLeod gauge
	Pirani gauge

	Bourdon gauge
	aneroid sphygmomanometer
	digital sphygmomanometer
	mercury sphygmomanometer

	sphygmomanometer
	depth gauge
	piezoelectric sensor

Related Symbols

Entity
EntityValue
EntityClass
EntityList
QuantityMagnitude
Quantity

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Contributed by: Wolfram Staff