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Siemens OCM III User Manual

Siemens OCM III
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The OCM-3 converts the head measurement into flow rate, but also provides a
velocity sensor input for applications where a flow velocity measurement is required to
perform the flow calculation. The flow rate is totalized and stored in a comprehensive
data log to provide detailed flow analysis.
Programming of the OCM-3 allows the operator to select the flow calculation specific
to the primary measuring device (flume, weir or pipe). Special emphasis has been
placed on providing the most accurate flow calculations possible. To this end, specific
routines have been written to comply with the British Standards Institute’s
Specifications BS-3680. These routines calculate correction factors taking into
account second order effects such as approach velocity and boundary layer. In the
event that flow measurement is not covered by one of the flow calculations provided,
the OCM-3 can be programmed for flow measurement using one of the universal
flow calculations.
The OCM-3 provides serial communication for remote programming, data log retrieval
and print out for devices such as computers, PLCs and printers. Milltronics provides a
standard utilities software package for OCM-3 programming, remote display and data
retrieval. However, the user is not limited to the software provided. The user can
develop his own software program to perform tasks suited to his specific needs.
The OCM-3 features:
multi field illuminated LCD, for ‘Flow and Total’ and ‘Relay Status’ display
0 or 4 to 20 mA output
three multipurpose relays, including remote totalization
1 to 24 months data log, subject to logging rate
extensive serial communication, including RS-232
removable infra-red programmer
AC and DC (bi-current) operation.
7ML19985AB01 OCM III 8

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Siemens OCM III Specifications

General IconGeneral
BrandSiemens
ModelOCM III
CategoryMeasuring Instruments
LanguageEnglish

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