Calculated Industries 4095-A User Guide - Manual (Page 41)

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For water properties:
Viscosity = 0.001 Pascal-seconds
Density = 1000 kg/m³
Depending upon flow type and Reynolds Number value, we use
one of the following methods for computing Pressure Loss:
1) Laminar Flow method (if Reynolds Number < 3,000)
2) Smooth Pipe method (if Reynolds Number > 3,000 and
Boundary Layer Thickness < Pipe Roughness)
3) Prandtl equation method (if Reynolds Number < 100,000
and Pipe Roughness > Boundary Layer Thickness)
4) Karman Equation method (all other conditions)
aPPEndix E –
Care Instructions
Please follow the guidelines listed in this section for proper care
and operation of your calculator. Not following the instructions
listed below may result in damage not covered by your
warranty. Refer to the Repair and Return section on page 44 for
more details.
Do not expose calculator to temperatures outside the
operating temperature range of 32ºF – 104ºF (0ºC – 40ºC).
Do not expose calculator to high moisture such as
submersion in water, heavy rain, etc.
aPPEndix f –
Accuracy/Errors, Auto Shut-Off, Batteries, Reset
ACCURACY/ERRORS
Accuracy/Display Capacity — Your calculator has a twelve-
digit display made up of eight digits (normal display) and
four fractional digits. You may enter or calculate values up to
19,999,999.99. Each calculation is carried out internally to
twelve digits.
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