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Vacuum
and pilot actuators
Clippard Instrument Laboratory Inc.,
Cincinnati, Ohio |
Vacuum and pilot actuators have been added to this
company's Minimatic line. These pressure and vacuum actuators installed in
a directional control valve allow for the valve to pilot or remotely operate
using a pressure or vacuum signal. They may be used in combination with any
push-operated two-, three-, or four-way valve with a 15/32-32 mounting thread.
They may also be installed on the company's ES-1 electrical switch. A pressure
or vacuum signal may then be used to actuate the valve or electric switch.
Four different models are available.
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Pressure
regulator
Parker Hannifin Corp., Veriflo Div., Richmond, Calif.
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The IR6000 Series internally threadless pressure
regulators are designed for pressure reducing industrial/analytical applications,
including cylinder and calibration gases. The high-pressure two-stage regulators
can be ordered with a variety of options. Features include a unique patented
compression member, which loads the seat to the body without requiring a
threaded nozzle or additional seats to atmosphere. The device offers a selection
of seat materials for media compatibility and temperature applications, while
meeting the NACE standard MR0175. Positive upward and downward diaphragm
stops increase cycle life by preventing overstoking of the diaphragm in both
directions.
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Vibration
data collector
Ludeca Inc.,
Miami, Fla. |
 The
Vibra-scanner lightweight data collector features built-in sensors for 10
important machine parameters: vibration acceleration, displacement and velocity
according to ISO standards as well as shock pulse for bearing damage and
lubrication condition, pump cavitation, process parameters, inspection codes,
temperature, and rpm. Options for vibration spectrum and one- or two-plane
balancing are also available. Collected measurement data can be trended,
analyzed, and archived using Omnitrend PC software. The device is said to
be simple to operate, with joystick navigation and a backlit graphic display.
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Cooling
tower duty motors
Emerson Motors,
St. Louis, Mo. |
A new line of Epact and Premium Efficient cooling
tower duty motors (2-100 hp) is designed to operate in 100 percent humidity
conditions and in the most corrosive environments. The motors include
double-sealed bearings, potted leads, bearing caps on 280 Frame and above,
a heavy gasketed conduit box and cover, sealed lead openings, sealed
bracket-to-frame registers, and a unique umbrella-type seal for shaft-up
mounting.
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Linear
motor controls
Baldor Electric Co.,
Fort Smith, Ark. |
A new family of linear motor controls for use with
this company's line of linear motors and stage products is now available.
The new controls offer the company's Matched Performance drive package, featuring
the company's linear servo motors. LinDrive, Lin+Drive, and MintDrive controls
are designed expressly to control brushless linear motors. The controls feature
the high current loop, rate loop, and position loop bandwidths required to
direct drive linear motion applications where smooth low-speed performance
and settling times are important. LinDrive accepts a conventional ±10
V speed or force command or a pulse follower input. Lin+Drive integrates
a simple motion control and amplifier into one compact package. MintDrive
delivers a new level of flexibility to machinery builders. It integrates
a full motion controller within the servo amplifier.
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Non-
destructive test technology
Resonic Technology,
Westlake Village, Calif. |
The acoustic resonance inspection system is a new
technology for nondestructive testing of all electrically conductive metals.
It features 100 percent flaw detection at speeds up to 800 ft./minute. The
system uses noncontact acoustic scanning technology for simultaneous surface
and subsurface defect characterization as small as 0.001 in. in solid or
tubular cylindrical metal stock. When a flaw is detected, the system signals
it in real time and can provide data logging, relay control, and continuous
display of test response.
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Data
acquisition system
Yokogawa Corp. of America, Newnan, Ga. |
The WE7000 high-speed data acquisition system combines
the functions of a digital oscilloscope, a function generator, a high-speed
digitizer, a temperature recorder, and a counter into one portable PC
configurable system. The system is suitable for measuring thermocouples at
0.01 percent accuracy, for sampling data up to 100 MS/second, and for providing
a 10 MHz programmable output, or any combination of all three. The data
acquisition system can supply data to a PC at speeds up to 250 Mb/second
via a fiber-optic connection.
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RF
feedthroughs
Ceramaseal, New Lebanon, N.Y. |
New ceramic-to-metal RF (radio frequency) feedthroughs
reduce power loss from electromagnetic coupling. The company's full line
of feedthroughs, both single-and dual-conductor, come with ratings classified
by frequency and amperage in order to meet all of the various parameters
for different applications. The feedthroughs have a frequency range of 100
kHz to 13.56 MHz and handle currents up to 800 A and voltages up to 14 kV.
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Measuring
system
Chicago Dial Indicator Co. Inc., Des Plaines, Ill.
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The Logic-EMS remote digital display and linear
measuring probe can work six feet apart. The probe can be specified with
an accuracy of ±0.00005 or ±0.0001 with seven available measuring
ranges up to and including 4.0 in. Standard or custom readouts can be selected
according to a particular measuring application with units of measurement
available in inches, millimeters, centimeters, pounds, newtons, or kilograms
or special ratios to calculate diameter, radius, and circumference.
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Airflow
muffler
Adsens Technology, City of Industry, Calif. |
 The new HFSPA Series
of pneumatic exhaust mufflers features an ultraslim body design that will
not block ports on valves and other tight places. The straight body is no
larger than the thread size. A patented bullet head screw is aerodynamically
designed to allow maximum airflow to reduce backpressure and provide a more
accurate and consistent airflow. A self-cleaning stainless-steel screen filters
dust, contamination, and particulates and can be rinsed clean. The muffler
is available in standard thread sizes from 1/8 in. to 1 in.
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Rapid
response weight indicator
BLH Electronics Inc., Canton, Mass. |
The LCp-100 weight indicator/transmitter
provides high-speed processing (120 updates per second) for time-critical
weighing applications. The instrument generates high throughput and tight
control for high-speed batching, check weighing, and continuous feed systems.
A 4-20 mA output is available to update external DCS or PLC equipment at
a fast rate. Simplified installation and smooth operation are ensured by
Plug-n-Weigh software and dynamic digital filtering. Easy Plug-n-Weigh
installation requires no test (dead) weights for typical system calibration.
Integral ramping software simulates live weighing cycles to test the
communication interface and analog output signals without wasting actual
product ingredients.
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Proximity
sensors
Cherry Electrical Products, Pleasant Prairie, Wis.
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The new GMR Series of magnetic proximity sensors,
based on the giant magneto-resistive principle, are highly sensitive and
are said by the manufacturer to be ideal for rugged applications in harsh
environments or in high-temperature applications. The sensors have a large
air gap between the sensor and the magnet, and use an omnipolar sensing element
that allows the sensor to be activated by either the north or south pole
of the magnet. The sensor package includes both the sensor and the
signal-processing electronics. The sensor is capable of sinking 24 mA and
is able to drive signals over wire lengths up to 15 meters. The Model MP100106
is the first sensor to be offered in the series. It includes 1 meter of 22AWG
polyolefin cable and has an operating voltage range of +5 V dc to +24 V dc
at a maximum supply current of 10 mA.
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Industrial
inclinometers
Columbia Research Laboratories Inc., Woodlyn,
Pa. |
The Series SI-701B electronic tilt sensors are based
upon force balance accelero-meter technology. They produce a high-level,
low-impedance output proportional to the sine of the tilt angle. Electronic
damping and desensitization circuits allow tilt measurements in strong vibration
and shock environments. The SI-701BHP uses the Columbia HP suspension system
and provides added accuracy and ruggedness. The SI-701BI is a force balance
inclinometer designed with an output configuration made for use in 4-20 mA
data transmission systems.
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Fan
speed control
Control Resources Inc., Littleton, Mass. |
The SmartFan Multi SR digital fan speed control
and alarm board provides a reliable off-the-shelf solution for controlling
the cooling of telecommunications equipment. The control and alarm parameters
can be modified via on-board jumpers and Flash microprocessor programming.
The control provides voltages of up to six 14 V dc or 48 V dc fans and accepts
temperature (thermistor) inputs from up to three sensors while providing
proportional speed control to the fans. Speed control can also be based on
accepting control signals (PWM, DC) or via a 12C bus.
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Voice-coil
actuators
Densitron Corp., Santa Fe Springs, Calif. |
The VM Series of voice-coil actuators develops constant
force in proportion to excitation current over relatively long stroke lengths.
The actuators can provide up to 60 N peak force over a 10 mm stroke. By providing
a force that is proportional to the operating current, the actuators are
well suited for applications needing controlled movement combined with low
noise or low impact. The actuators are inherently bidirectional devices and
can move in either direction. If force is required in one direction only,
the actuator can be biased in that direction with a spring to allow twice
as much peak usable force to be produced. Four actuators are now available.
On the low end, the VM2618-070 offers 10 N force over a 4 mm stroke length.
On the high end, the VM5036-1800 offers up to 60 N force over a 10 mm stroke
length.
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SHV
coaxial connector
Ceramaseal, New Lebanon, N.Y. |
 A
new member of this company's line of SHV coaxial connectors is designed to
mate with a standard 10 kV SHV plug. The smaller diameter of the connector
does not compromise the 10 kV voltage rating. The new receptacles have a
temperature range of -269—C to 450—C and can handle currents up
to 2 A and voltages up to 10 kV. The connector is nonmagnetic and the weldable
receptacle is made of 304 stainless steel and high-purity alumina ceramic.
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Two-axis
motion controller
Nyden Corp., San Jose, Calif. |
The MAC200 motion controller with a digital display
and keypad is a low-cost solution for two-axis motion control applications.
The board level controller has advanced features such as programmable liquid
crystal display, user interrupt inputs, internal 32-bit real timer, and
independent and coordinated movements. According to the manufacturer, because
of the controller's low-cost/performance ratio it is ideal for OEM and
single-user applications in semiconductor manufacturing, X-Y stages,
pick-and-place assembly systems, medical testing equipment, packaging, and
robotics.
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Planetary
gearhead
Maxon Precision Motors Inc., Burlingame, Calif. |
A new planetary gearhead offers a wide range of
ratios for speed reduction or torque multiplication in a 42-mm-diameter package.
Thirty different ratios are available, ranging from 3.5:1 to 936:1. Efficiency
is from 64 to 90 percent, depending on the ratio. Maximum continuous torque
is up to 15 Nm and 22.5 Nm on an intermittent basis. Weight varies from 260
g to 560 g, while length is 41 mm to 84.5 mm. Maximum radial load is 150
N at 12 mm from the flange. Maximum axial load is 150 N. Recommended input
speed is less than 8,000 rpm. Operating temperature range is -20—C to
100—C.
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Level
sensor
Monitor Technologies LLC, Elburn, Ill.
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The Model MK-1 RF capacitance point level sensor,
part of this company's TrueCap family of sensors, provides a low-cost transition
from mechanical/electromechanical point level monitors for dry free-flowing
solids and noncoating liquids. An adjustable sensitivity to 0.5 pF allows
the sensor to be tailored to a variety of applications, including powders,
granular solids, and liquids in various silos, tanks, bins, and hoppers.
The unit carries FM/CSA general purpose approvals, standard built-in static
protection, and a single-turn potentio-meter time delay adjustment. The sensor
is available in various configurations, including variable-length rigid probes,
a low-profile probe, and a cable extension probe. Depending on the application,
custom probe designs are also available.
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Loop
powered isolators
Dataforth Corp., Tucson, Ariz. |
The DSCL20 and DSCL21 Series of loop powered isolators
provide a simple solution for providing protection for analog signals in
the range of 0(4) to 20 mA. The isolators are designed for preventing the
transfer of interference voltages or currents and for breaking signal-distorting
ground loops. Each isolator provides a single channel of 500 V rms transformer
isolation. The isolators operate passively, deriving their power from the
input signal. The DSCL21 is a DIN rail mount version of the DSCL20 component
module.
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Power
meters
Siemens Energy & Automation Inc., Alpharetta,
Ga. |
The 9300 Series of power meters can measure power
quality by detecting harmonics and disturbances that could interrupt a process
or damage electric power equipment. Also equipped with features to automate
sub-billing, the meters meet ANSI C12.16 revenue accuracy for effective
monitoring and management of utility bills. Two meters are available in the
series: the 9300 and the 9330. The 9300 offers all the features mentioned
previously plus Profibus compatibility. The 9330 offers Time of Use rate
structures, transformer line loss compensation, and load profiling to better
manage energy use. The 9330 also has discreet input and modem capability
built into the meter.
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Electrically insulating epoxy
Master Bond Inc., Hackensack, N.J. |
Polymer System Supreme 3AOHT is a one-component,
thermally conductive, electrically insulating epoxy well suited to high-speed
production operations. The epoxy is a storage-stable heat-curing toughened
resin formulation with fast cures (5-l0 min. at 300—F or 20-30 min.
at 250—F. Adhesive properties to both metallic and nonmetallic substrates,
including ceramics, are said by the manufacturer to be excellent and to be
maintained even after severe temperature cycling and/or mechanical shocks
and vibration. Shelf life at 75—F is six months without refrigeration.
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Infrared
thermometers
Wahl Instruments Inc., Asheville, N.C. |
The DHS110 Heat Spy series of compact, hand-held,
noncontact infrared thermometers features a temperature range of 0—F
to 850—F. The thermometers incorporate an LCD screen with display resolution
of 1—in either F or C scales. Two models are offered. The DHS110 XL
and DHS110 XEL are both equipped with a bright laser aiming beam, allowing
precision targeting of surfaces to be measured. Power is supplied by one
9 V battery with a low-battery warning incorporated in the LCD. The DHS110
XEL model includes menu selection of a settable Hi/Lo alarm, adjustable
emissivity, and memory access to the last recording that was observed.
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Timing
pulley idler assemblies
AST Bearings, Montville, N.J. |
A new series of timing pulley idler assemblies is
now available as part of this company's mechanical assembly program. The
idler assemblies include two flanged miniature stainless steel bearings
pre-loaded with a wave spring, a stainless steel shaft, and an aluminum housing.
Pulleys are available to accommodate various pitches and belt widths.
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Voltage
attenuator system
Dataforth Corp., Tucson, Ariz. |
 The
new signal conditioning modular voltage attenuator system, or SCMVAS, is
an analog signal conditioning system designed to safely monitor and accurately
measure voltage potentials up to 1,200 V peak-to-peak. Such high voltages
are typically found in industrial applications such as induction heaters
or electric motor drive controllers. The system consists of either an 8-
or 16-channel back panel, two models of SCM5B signal conditioning modules,
and various models of SCMVAS-Mxxx attenuator modules. For each channel of
high-voltage analog input, an attenuator module reduces the input signal
to a low-level voltage, which is then connected to a high input impedance
signal conditioning module.
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