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MICRONOR Introduces World’s First
Universal MPG/Handwheel for Teach Pendants and Other Motion Control
Applications |
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 Micronor’s
MR190 Universal Manual Pulse Generator/Handwheel (MPG) is the world’s
first MPG to offer both A/A’/B/B’ differential line driver and A/B
pull-up quadrature outputs in a single unit. No longer does a CNC
machine manufacturer, control panel fabricator, distributor or service
center need to stock 3 or more handwheel models because of the
non-standardized interface requirements of different manufacturers and
models of CNC systems, PLCs and teach pendants. An MPG is a common
accessory found on CNC machine tools. It is a manually controlled rotary
handwheel that the machine operator uses to move a tool incrementally
along an axis. The MR190 provides 100 detent positions per revolution
and outputs one A/B quadrature pulse cycle per detent or “click”. The
quadrature outputs tell the machine both the number of incremental steps
to move and direction. The MR190’s intuitive operation, tactile feedback
and ease of interface is ideal for use in all types of teach pendants,
control panels, motor drives, position control systems and electronic
instrumentation.... |
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Sens2B - Sensor to Business
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Manufacturers and suppliers of sensors & measurement devices |
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Sensors &
measurement news
and technical articles
in week 51/2008: |
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MAGRES hermetic – Unsurpassed robustness |
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 Baumer
Electric: Operation under extreme conditions is the great strength
of the new MAGRES hermetic
absolute encoders. They provide permanent IP
68 and 69K protection class and offer the highest levels of shock and
vibration resistance values. Thanks to their stainless steel housings
they are particularly well suited for applications involving harsh media
such as cleaning agents, acids, bases and seawater. Compliance with the
highest possible protection classes is achieved thanks to the
hermetically sealed encapsulation of all electronic components. MAGRES
hermetic easily handle submersed operation or regular treatment with
high pressure cleaners. MAGRES
hermetic encoders are available with all
established interfaces such as SSI, CANopen, DeviceNet, Profibus DP and
EtherCAT. Their robust bearing design including Simmerring® coupled with
the impact-resistant seal provide reliable protection against dirt and
UV light aging while offering mechanical peak values with
shock-resistance up to 500 g and shaft loads up to 280 N. Thanks to
their shock and vibration-proof magnetic sensing, MAGRES hermetic
encoders provide optimum robustness, reliability and long service lives
making them perfectly suited for ... |
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Piezo-controlled Cracking of Piston Rods |
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 Piezocryst
Advanced Sensorics: In nearly every motor you will find piston rods,
which transfer the piston stroke to the crankshaft. Frequently,
separated piston rods are employed which, in the past, had to be
produced in multi-level processes with a high standard of production
accuracy. Through the use of
piezo-electric force sensors, it is
possible today to produce piston rods in a much more simplified
production process. Here, the piston rods are systematically cracked at
a predetermined breaking point and then fitted together later. In using
this procedure, not only production costs decrease, but the piston rods
also exhibit better behavior in relation to shear forces. Procedure:
Most piston rods have two bearing shells, which were always handled in
separate processes and had to be intricately fine-tuned to enable proper
mounting. This fine-tuning required a very high level of production
precision and therefore represented a substantial cost factor. In order
to reduce these costs, the piston rods are now produced as one-piece
precision forging parts and then cracked at a defined position. The
fracture faces created, fit together exactly and do not need any
additional handling. Compared to conventional faces, micro gearing
allows for high level of component strength against shear forces; the
fracture faces are almost invisible after assembly. ... |
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New Oxygen Analyser Product Line from
Michell Instruments |
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 With
over 30 years’ experience in delivering highly reliable solutions in gas
analysis, the Michell Instruments Group has responded to the
demand for an integrated product offering with a range of high
performance
Oxygen Analysers. The new product line uses recent
developments in technology to measure of oxygen at both trace (ppm)
levels and percentage oxygen concentrations and is suited for both clean
environments as well as harsh and hostile applications. It is a natural
step in Michell Instruments’ growth strategy. The variety of oxygen
applications mean that a particular type of
oxygen analyser, developed
with a specific technology, is required for each situation. The complete
range of Michell Oxygen Analysers use a selection of technologies each
suited to a different set of applications. The analysers of the XZR-400
and XZR-500 series are based on the unique MSRS Zirconium Oxide
technology for accurate and repeatable oxygen concentration measurement.
The XZR-400 is designed for
detecting oxygen in clean gases while the
XZR-500 is designed for flue gas analysis. Due to their patented
metallic sealed reference Zirconium Oxide Sensor, there is no need for
reference air making the installation of both ranges simple and cost
effective. The XTP-600Y and XTM-600 Series are rugged industrial analysers housed in explosion-proof enclosures. The XTP 600Y is based on
the Michell proprietary advanced thermoparamagnetic technology with no
moving parts. This makes the sensor ideal for applications where it will
be exposed to movement and vibration – such as on board an oil tanker.
The XTM-600 Series uses both the traditional paramagnetic (dumb-bell)
oxygen sensor ... |
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Integration of Piezocryst Sensors into
Condition Monitoring of Large Engines |
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 Piezocryst
Advanced Sensorics: A few months after the introduction of a new
generation of onboard sensors for the continuous
measurement of cylinder
pressures in large engines, the first Condition Monitoring Systems were
put into operation in cooperation with AVL. The system, which operates
under the name EPOS – Engine Performance and Operation System – is a
novel monitoring and diagnostic system for large engines. Pressure
sensor technology, in addition to the implementation in simple hand-held
units and OEM applications, is now available for use in continual
condition monitoring. With growing fuel costs and increased emissions
costs for CO2, NOX and SOX, demand is increasing for more efficient
systems for the control and optimization of large diesel and gas
engines; given that minor improvements in efficiency in single digit
percentages allow for savings in thousands of Dollars per year. AVL EPOS
incorporates permanently installed cylinder pressure sensors, which
detect the pressure pattern in individual cylinders. In a subsequent
data measurement unit, the pressure signals of the individual cylinders
are evaluated. The performance of the engine is determined and possible
problems identified using a complex algorithm. The user receives an
automatic diagnosis and essential information regarding the reduction of
fuel consumption, emissions ... |
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Fully Compensated Mini
Pressure
Transmitter |
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 KELLER
AG, the
pressure measurement technology
specialist, has now
introduced miniaturized
absolute pressure transmitters (Pisello type,
series 20 P), featuring optimized temperature compensation and measuring
ranges from 10 bar to 600 bar. Keller developed the ingenious PromComp
principle as many as 20 years ago, and it can now be exploited to full
advantage thanks to the general miniaturization of electronics. A
circuit no larger than a cent coin compensates the Pisello
pressure
transmitter perfectly against fluctuations in operating temperature. A
temperature sensor in the PromComp divides the temperature range into
fields with a width of 1.5 Kelvin each. Two values are assigned to each
field in an EEPROM: one value for the zero point and another for the
amplification, determined by mathematical interpolation in the
calibration process. During operation, the corresponding values are
‚switched in‘ at the relevant temperatures. Temperature fluctuations of ... |
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Measuring large distances using
time-of-flight measurement |
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 Micro
Epsilon has extended its product range with new
laser sensors. In
addition to the existing time-of-flight sensors there are four new
complementary models. Under the names optoNCDT ILR 1181, 1182, 1183 and
1191, these sensors provide new approaches to solving automation tasks.
The 80 Series functions according to the phase comparison principle,
whereby a
precise distance measurement is possible. They achieve a
measuring range of 30m for use on diffuse reflecting surfaces and 150m
when using a special reflector, which guides the laser pulse back into
the optical system for large
measuring distances. The optoNCDT ILR 1191
operates according to the “Time-of-Flight” principle and achieves a
measuring range of 3,000m with a reflector; a measuring range of 300m is
possible without using the reflector. With a linearity of between ±3mm
and ±5mm or ±20mm to ±0mm for the 1191 series and a repeat accuracy of
less than 0.5mm, these sensors are ideal for precision measurement
tasks. ... |
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High Resolution Analog Output Encoder for
Harsh Environments |
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 Micronor’s
ENA361M (hollow shaft) and ESA361M (solid shaft) series High Resolution
Analog Output Encoders provide 12-bit resolution with choice of analog
output – ideal for high reliability and high precision industrial
automation and process control applications. The units are extremely
rugged with high levels of shock (>500g) and vibration (>30g)
resistance. The products can be used in outdoor applications over wide
temperature ranges and fluctuations (-40/+85C) and protected against
humidity and condensation. Standard units are IP67 sealed with IP69K
option available for use in high temperature/high pressure wash down
applications. These single-turn absolute encoders are offered with
choice of 4-20mA or 0-10V output and measuring range options of 45, 90,
180 or 360 degrees. These units also operate over a wide input power
range of 18-30 VDC. The 4-20mA option includes a red LED fault indicator
for sensor break detection and monitoring of power supply. With an
overall diameter of 36mm, these encoders are very compact and are ideal
where space is tight. The ENA361 series offers blind hollow shaft in
range of 6 to 10mm along with either stator coupling or torque stop
mounting options. The ESA361 series offers solid shaft in range of ... |
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Sensors & Measurement News in week 50 '2008 <<
>>
Sensors & Measurement News in week 52 '2008 |
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