The Systems Laboratory Flow Sensing Test Bed, type SL40, is part of the
modular system for teaching the use and applications of transducers,
measurement systems and signal processing techniques.
The SL40 Test Bed is intended for use with the Systems Laboratory
Mainframe, SL1, and the user is referred to the SL1 manual for more details
of the Mainframe itself.
The SL40 Flow Sensing Test Bed is intended to illustrate techniques of the
sensing of flow variables. The component parts of the Test Bed are covered in
more detail in later sections. The operation of the Test Bed can briefly be
described as follows:-
The Test Bed itself is mounted on a sturdy sub-chassis whch is placed on the
upper deck of the Mainframe and is located on studs. Mounted on top of the
sub-lrame is a twin tank and pump system which enables water to be pumped from the reservoir tank through the transducer measurement system
and returned to a header tank.
The electric centrifugal pump enables the rate of flow of fluid between the
reservoir and header tank to be controlled from the front panel on the SL1
Mainframe. As water flows through the system, different transducers are
available to monitor the rate of flow.
The various devices available include a hot wire anemometer sensing system,
a propeller fitted with an optical sensing pickup, an electro-magnetic flow
sensing system, a variable flow meter and a "V" notch weir.
All of the connections to the various transducers and the pumping system are
brought out to a series of 2mm sockets, which are arranged on the front of the
Test Bed with legends describing their various functions.
All signal connections are made via these sockets and no connections, power,
signal or otherwise, are made automatically when the Test Bed is placed on
the Mainframe. The Mainframe merely serves as a convenient mounting
system for the Test Bed assembly which is, itself, totally self-contained.This SL40 Flow Sensing Test Bed forms part of the total Systems Laboratory,
which includes the SL1 Mainframe and various other test beds covering other
types of measurement systems and plug-in signal processing modules which
can be selected and interchanged as appropriate to the measurement task in
hand.
Later sections of this manual will describe in detail the function and
operation of the parts of the SL40 Test Bed and will consider the Mainframe
and those electronic signal processing modules which are necessary for use
with the transducers in this measurement system.
The Systems Laboratory Flow Sensing Test Bed, type SL40, is part of themodular system for teaching the use and applications of transducers,measurement systems and signal processing techniques.The SL40 Test Bed is intended for use with the Systems LaboratoryMainframe, SL1, and the user is referred to the SL1 manual for more detailsof the Mainframe itself.The SL40 Flow Sensing Test Bed is intended to illustrate techniques of thesensing of flow variables. The component parts of the Test Bed are covered inmore detail in later sections. The operation of the Test Bed can briefly bedescribed as follows:-The Test Bed itself is mounted on a sturdy sub-chassis whch is placed on theupper deck of the Mainframe and is located on studs. Mounted on top of thesub-lrame is a twin tank and pump system which enables water to be pumped from the reservoir tank through the transducer measurement systemand returned to a header tank.The electric centrifugal pump enables the rate of flow of fluid between thereservoir and header tank to be controlled from the front panel on the SL1Mainframe. As water flows through the system, different transducers areavailable to monitor the rate of flow.The various devices available include a hot wire anemometer sensing system,a propeller fitted with an optical sensing pickup, an electro-magnetic flowsensing system, a variable flow meter and a "V" notch weir.All of the connections to the various transducers and the pumping system arebrought out to a series of 2mm sockets, which are arranged on the front of theTest Bed with legends describing their various functions.All signal connections are made via these sockets and no connections, power,signal or otherwise, are made automatically when the Test Bed is placed onthe Mainframe. The Mainframe merely serves as a convenient mountingsystem for the Test Bed assembly which is, itself, totally self-contained.This SL40 Flow Sensing Test Bed forms part of the total Systems Laboratory,which includes the SL1 Mainframe and various other test beds covering othertypes of measurement systems and plug-in signal processing modules whichcan be selected and interchanged as appropriate to the measurement task inhand.Later sections of this manual will describe in detail the function andoperation of the parts of the SL40 Test Bed and will consider the Mainframeand those electronic signal processing modules which are necessary for usewith the transducers in this measurement system.
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