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Rosemount 8800D Series User Manual

Rosemount 8800D Series
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Reference Manual
00809-0100-4004, Rev BA
August 2010
C-9
Rosemount 8800D
SI Units Example 1 (SI units)
Therefore, an input frequency of 80.00 Hz represents a flow rate of 1694.6
lpm in this application.
For a given input frequency, you may also determine the current output. Use
the above example with an input frequency of 80.00 Hz:
URV= 2000 lpm LRV= 0 lpm F
in
(Hz) = 80.00
= 17.49 mA
Therefore, an input frequency of 80.00 Hz represents a current output
of 17.49 mA.
Example 2 (SI units)
Therefore, an input frequency of 650.00 Hz represents a flow rate of 3446.4
kg/hr in this application.
Fluid
= Water URV
= 2000 lpm
Line size
= 80 mm. LRV = 0 lpm
Line pressure
= 700 kPas C
8
= 4.40287E-03
(from Table C-1 on
page C-5)
Operating
Temperature
= 60 °F
Input
Frequency
= 80 Hz
K-factor
(compensated)
= 10.772 (via Field Communicator or AMS)
M
= F(Hz) /(K x C
8
)
= 80/(10.722 x 0.00440287)
= 1694.6 lpm
Fluid
= Saturated Steam URV
= 3600 kg/hr
Line size
= 80 mm. LRV = 0 kg/hr
Line pressure
= 700 kPas C
16
= C
11
/from Table
C-1 on page C-5)
Operating
Temperature
= 170 °F Density() = 4.169 kg/cu-mtr
(operating)
Viscosity = 0.015 cp
Input
Frequency
= 650 Hz
K-factor
(compensated)
= 10.715 (via Field Communicator or AMS)
M
= F(Hz) /(K x C
16
)
= 650/{10.715 x (C
11
/
= 650/{10.715 x (0.0733811/4.169
= 650/(10.715 x 0.017602
= 3446.4 kg/hr
I
FHzKC
8
 LRV
URV LRV
-------------------------------------------------------------
16
4+=
I
80 10.772 0.004402870
2000 0
--------------------------------------------------------------------------------------
16



4+=

Table of Contents

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Rosemount 8800D Series Specifications

General IconGeneral
TypeVortex Flow Meter
Measurement PrincipleVortex Shedding
Operating Temperature-40 to 185°F (-40 to 85°C)
Storage Temperature-40 to 185°F (-40 to 85°C)
Communication ProtocolsFOUNDATION Fieldbus
Material316 stainless steel
Fluid TypeLiquid, Gas, Steam
Line Size1/2 to 8 inches (15 to 200 mm)
ApprovalsATEX, IECEx, CSA, FM
Output Signal4-20 mA
Process ConnectionFlanged, Wafer, Threaded
Electrical ConnectionM20
Protection RatingIP66
Mounting StyleWafer, Flanged

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