Milltronics PL-551 Manuel utilisateur
XPS 10 F Series Transducer
Technology based. Customer driven.
April 1998
Instruction Manual
PL-551
33455510
Rev 1.0
hank you for purchasing Milltronics products. We endeavour to design
equipment that is simple to use and reliable in its operation, with the aim
of satisfying our customers' needs.
Milltronics has been designing and manufacturing process equipment since
1954. Our fields of expertise include ultrasonic and capacitance level
measurement, in-line weighing of dry bulk solids and motion sensing.
Milltronics is established world wide through associate offices and
representatives. Our network is continually being refined to provide our
customers with first rate sales information, engineering assistance and after
sales support.
For more details on our products and service, please contact us and we will
provide you with a listing of the offices or representatives nearest you.
T
ABOUT THE TRANSDUCER
The Echomax XPS F series of transducers
operates in association with Milltronics ultrasonic
level monitoring products.
The transducer converts the electrical energy of the
transmit pulse from the transceiver into acoustical
energy. It then converts the acoustical energy of
the echo back into electrical energy for the
transceiver receive period.
The effective acoustical energy is emitted from
the transducer face and radiated outward,
decreasing in amplitude at a rate inversely
proportional to the square of the distance.
Maximum power is radiated axially (perpendicular)
from the transducer face in a line referred to as
the axis of transmission. Where power is reduced
by half (– 3 dB), a conical boundary defining the
sound beam, centered about the axis of transmission,
is established. The diametric measurement of the
cone in degrees defines the beam angle. Impedance
matching techniques are used to optimize the transfer of
power from the transducer into air and vice versa.
The XPS F series transducers incorporate an integral temperature sensor that reports the air
temperature at the transducer to the transceiver. The connection is transparent, in that both
the ultrasonic and temperature components of the transducer use the same leads.
Hazardous seal supplied by others to suit hazardous area classificaton.
transducer
transducer face
– 3 db
boundary
axis of
transmission,
perpendicular to
transducer face
PL-551 3
SPECIFICATIONS
* approximate shipping weight of transducer with standard cable length
Kynar® is registered trade mark of ELF Atochem
Model : XPS - 10 F
Measurement Range, m
( ft ) : 0.3 - 10
( 1 - 33 )
Frequency (kHz) : 43
Beam Angle : 12°
Environmental :
- location : indoor / outdoor
- altitude : 2000 m maximum
- ambient temp : – 20 to 95 °C ( – 4 to 203 °F )
- pollution degree : 4
Construction :
- exposure : Kynar®
- colour : slate gray
- mounting : 1" NPT conduit connection
- options : » factory flange to suit ANSI standard
» submergence shield, where flooding can occur
» split flange for field mounting to suit ANSI standard
- cable : 2 wire shielded / twisted, 0.5 mm2 (20 AWG) PVC jacket
Supply Source : transducer shall only be supplied by a Milltronics certified controller
Weight *, kg (lb) : 0.8 (1.7)
Separation : 365 m (1200 ft) from transducer
Approvals : FM Class 1 Div 1, Group A, B, C and D
FM Class 2 Div 1, Group E, F and G
see nameplate or consult Milltronics for current approvals
PL-551 4
OUTLINE AND DIMENSIONS
radiating face
optional submergence shield
refer to associated instructions
optional flange
refer to associated
instructions
standard
optional split flange
refer to associated instructions
Hazardous seal supplied by others to suit hazardous area classificaton.
Model
Dimension XPS - 10 F
A 86 mm (3.4")
B 122 mm (4.8")
C to suit ANSI standard
D* 128 mm (5.0")
E 124 mm (4.9")
F 152 mm (6.0")
* nominal
PL-551 5
MOUNTING
DO’S AND DON’TS
Mount the transducer so that it is
above the maximum material level by at least the blanking
value
. Refer to the associated transceiver manual.
On liquid applications, the transducer must be mounted so that the axis of transmission is
perpendicular to the liquid surface.
On solids applications, a Milltronics Easy Aimer should be used to facilitate aiming of
the transducer.
Do not overtighten mounting
. Hand tightening of the mounting hardware is sufficient.
Secure installation by connecting a safety chain from the transducer to a structural member.
Consider the optional
temperature sensor
when mounting the transducer.
MOUNTING - SOLIDS APPLICATIONS
Hazardous seal supplied by others to suit hazardous area classificaton.
Easy Aimer
(typical model)
transducer
safety chain
PL-551 6
MOUNTING - LIQUID APPLICATIONS
Flexible Conduit Bracket
Submersible
rigid metal conduit
hazardous seal
transducer
safety
chain
flexible
conduit
steel channel
hazardous
seal
safety
chain
submergence
shield
Flexible conduit mounted transducer should
not be subjected to wind, vibration or jarring.
Submersible transducer, used in
applications where flooding is possible.
PL-551 7
MOUNTING - LIQUID APPLICATIONS (cont’d)
nipple welded to blind flange
customer flange, flat face only
factory flanged transducer
bolt
gasket
nut
hazardous seal
Customer flanged standpipe. If a metal flange must be welded
to pipe, refer to Liquid \ Applications - Standpipes.
Flanged
Flange, gasket, hazardous seal and hardware supplied by
customer. Refer to Liquid \ Applications - Standpipes.
hazardous seal
Blind Flange
PL-551 8
INTERCONNECTION
Direct Connection
2 Wire Extension
Coaxial Extension
blk wht
drain / shield
Milltronics transceiver ( typical )
blk
drain / shield
wht
extend cable using 18
AWG shielded / twisted pair
extend cable using RG - 62 A/U coax
for optimum noise immunity
junction box
PL-551 9
DO’S AND DON’TS
Installation shall only be performed by qualified personnel and
in accordance with local governing regulations.
Do not route cable openly.
For optimum isolation against electrical noise, run cable separately in a grounded
metal conduit.
Seal all thread connections to prevent ingress of moisture.
Do not run cable near high voltage or current runs, contactors and SCR control drives.
PL-551 10
Ce manuel convient aux modèles suivants
1
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