reliably even on difficult surfaces such as dark, structured or weakly reflecting objects. Without any special adaptations to the target, the sensor has an impressive range up to 125m. Adding a reflector to the target extends the measuring range to 270m. Designed primarily for outdoor use, the new
M
optoNCDT ILR1171-125 laser distance sensor measures 20 times faster and is more cost effective than its predecessor, the optoNCDT ILR1191. Due to the time-of-flight principle, a larger infrared laser measurement spot and a measuring rate of up to 40 kHz, high energy pulses are achieved, enabling stable measurements with very good signal quality. Even in poor visibility conditions such as smoke, fog, steam and rain, the sensor provides accurate measurements. The sensor is resistant to ambient light up to 50,000 lux.
lasEr distancE sEnsor MEasurEs rEliably EvEn on difficult surfacEs
icro-Epsilon has introduced a non-contact laser distance sensor that measures distances up to 270m with a resolution of 1mm. The sensor measures
highly accuratE powEr analysis EnsurEs rEliablE rEsults for autoMotivE custoMErs
C Protected by a robust IP67 die cast aluminium
housing, the optoNCDT ILR1171-125 is suitable for a wide range of applications, from transport, logistics and conveyor systems, to the monitoring of buildings, cranes and wind turbines. The sensor can be used in ambient temperatures from -20°C to +60°C. In terms of its technical performance, the
sensor provides repeatability of <25 mm, resolution of 1mm and linearity of < ± 60mm, resulting in stable measurements and good signal quality. The sensor’s small footprint (25 x 46 x 81mm) and weight (140g) allows it to be easily installed in narrow or restricted spaces. The optoNCDT ILR1171-125 can measure
on static and dynamic targets and is easy to integrate into existing systems. The sensor provides continuous measurement output via a 16-bit, scalable, 4-20mA analogue output or via RS232/422 serial communication. Two digital switch outputs are available for simple process monitoring and a trigger input provides opportunities to control when the sensor takes a reading.
Micro-Epsilon
www.micro-epsilon.co.uk
ompanies offering drivetrain testing services need to be flexible. With potential customers ranging from suppliers of specialist components for the
powertrain or transmission, right up to the world’s leading car manufacturers, they need adaptable test solutions that can be quickly broken down and rebuilt to meet the needs of each customer. This was the type of test solution required
by ATESTEO of Kassel, Germany to equip its automotive test beds. ATESTEO is an independent automotive-
testing services provider with over 170 test benches across nine locations in Germany, USA, China and Japan. ATESTEO provides a wide range of drivetrain testing services, including noise, vibration and harshness (NVH) measurements and environmental simulation, as well as tests of an entire vehicle on a dynamometer or on the road. As well as adaptability and ease of set up,
ATESTEO was also looking for a solution that offered high accuracy and reliability. To meet its requirements, ATESTEO chose
the Yokogawa WT1800E, a modular power analyzer which offers up to six input channels, as well as a wide range of display and analysis features, and PC connectivity. The WT1800E meets ATESTEO’s needs
with a guaranteed power accuracy of 0.05% of reading plus 0.05% of range. It is capable of harmonics analysis up to the 500th order of a 50/60 Hz fundamental frequency. The instrument also offers high stability, ensuring that precision measurements can be made reliably with the WT1800E today and over the long term. ATESTEO’s engineers can use the WT1800E
to make simultaneous measurements on up to six inputs at a rate of 2 MS/s; all current and voltage measurement inputs are
synchronized. A mechanical channel can acquire either analog or pulsed signals. The built-in motor evaluation capability is
ideal for ATESTEO’s testing regime as it means that it can measure more than just electrical parameters: measurement of rotation speed and direction, torque, mechanical power, synchronous speed, slip, electrical angle, motor efficiency and total system efficiency can be derived from the analog or pulse outputs of rotation and torque sensors. ATESTEO also
opted for the Yokogawa DL950
ScopeCorder, which captures and analyzes a wide variety of electrical and physical sensor signals and serial buses. It combines high sampling rates for a detailed view with long recording times to monitor trends over time. The DL950 measures signals at high resolution and secures data in the harshest environments with superior noise immunity and isolation technology. Andreas Olf, Branch Manager at
ATESTEO’s Kassel facility, says: ‘Underpinning ATESTEO’s service is our confidence that the measurement values that we supply to customers for efficiency, power output, NVH and the rest are true and accurate. That is why we choose to use Yokogawa products for power analysis. Over many years of operation, we can see the results from the Yokogawa equipment are stable, accurate and reliable, and so we have no hesitation in continuing to rely on the WT1800E and DL950.’
yokogawa test & Measurement
tmi.yokogawa.com/
connEcting industry 20th annivErsary Edition 53
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