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EFFECTIVE 8/30/2010 USA based sales, service and manufacturing will relocate
USA based sales, service and manufacturing
will relocate to a new location
in Auburn Hills, Michigan.
Our new address is:
Laboratorio Elettrofisico Walker LDJ Scientific
LE USA Walker Scientific, Inc.
4280 Giddings Road
Auburn Hills, MI 48326
Phone 248-340-7040 Fax 248-340-7045

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20/07/2010 Sm2Co17 ROTOR AND ENCODER MAGNETS
MAGNETIZED AT THE SAME TIME
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16/06/2009 AMH-5800 Hard Metal Magnetometer Magnetic characterization of Cemented Carbides The latest in Magnetic Measurement Technology for the measurement of magnetic properties of Cemented Carbides (WC in Co or Ni matrix) and Semi-Hard Magnetic Materials.
AMH-5800
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05/06/2008 Improved accuracy in magnetic sensor magnetization
2 poles double trace magnetic
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72-6-poles double trace magnetic encoder |
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02/01/2008 LE USA Walker LDJ Scientific MOVE to Michigan

LE USA WALKER LDJ SCIENTIFIC has relocated its USA based sales, service / repair, and manufacturing location to Lake Orion, Michigan...
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01/01/2008 The adjustable magnetizing coil
Sliding poles magnetization head.
Free handling space around the magnet.
Sliding poles fit a wide range....
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19/12/2007 Flywheels rotors magnetization Flywheels is a common way to increase the efficiency of electromechanical converter.....
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16/11/2007 Energy reduction in the magnetizing process of multipolar rotor The innovation proposed, of production process of magnetizing heads for permanent magnets, consists of an inedit disposition of the coil conductors as well as a configuration of the magnetic circuit....
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27/09/2007 The lowest THD by a perfect sinusoidal magnetization The lowest THD by a perfect sinusoidal magnetization...
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18/05/2007 Fully Automatic Magnets Calibration The calibration of the magnet is performed through the measure of the magnetic moment according to the IEC60404-14 standards....
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17/05/2007 Elevators Rotors fully magnetized Eliminate the stress of working with magnetized magnets. Magnetize your complete rotor following assembly & achieve superior performance and the lowest cogging....
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07/05/2007 New CHINESE CATALOGUES New chinese catalogues of: Digiflux, Helmholtz coil and Hystergraf...
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16/06/2009 - AMH-5800 Hard Metal Magnetometer Magnetic characterization of Cemented Carbides |
AMH-5800
The new AMH-5800 is the latest in Magnetic Measurement Technology for the measurement of magnetic properties of Cemented Carbides (WC in Co or Ni matrix) and Semi-Hard magnetic materials. This revolutionary instrument utilizes a technique that provides the fastest, repeatable and accurate measurements in the market today. The AMH-5800 measures the following parameters:
- Coercivity HcJ,
- Magnetic moment Msat,
- Weight-specific saturation magnetization ssat,
- Magnetic polarization Jsat,
- %Co or any other magnetic material in the alloy.
The AMH- 5800 provides accurate measured data to evaluate other correlated properties; for examples: hardness or the presence of undesired phases.

A revolutionary instrument to determine the magnetic properties of Cemented Carbides
Our exclusive open circuit measurement technique allows measure on samples with irregular shapes and sizes. A complete line of optional inductive sensors provides a wide range samples size to facilitate almost all measurement applications.
The AMH 5800 is completely automatic: All you need to do is insert the weight and/or the volume of the sample under test and start the measurement cycle.
The AMH 5800 is supplied with the latest state of the art hardware, Windows operating system and exclusive LEE software that makes the most tedious measurements simple and easy to understand. Included in the software is a data collection applications, print options, and a troubleshooting guide.
AMH-5800 meets the IEC standards for measurement and is supplied with certification certificate.
5800SW:
the software to manage the measurement process and the data collection
The program manages the AMH-5800 and the measurement process in a completely automatic way.
Data collected are elaborated to give advanced results, with the possibility to compare different curves and obtain statistical elaborations.
A virtual Assistant guides the operator during all the phases of the measure and manages the whole process.

SPECIFICATIONS
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Measurable materials
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Semihard and Cemented Carbides
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Measurable quantities
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Msat, Hc, Jsat, weight specific saturation moment σsat , %Co
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H measurement
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Accuracy
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Gaussmeter: 0.25% reading + 0.1% range
Probe: 0.5% linearity
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Resolution
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0.1 Oe (300 Oe range), 1 Oe (3000 Oe range)
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Hc measurement
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Accuracy
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±1% for Hc>500 A/m
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Ms measurement
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Accuracy
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±1% on reading
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Resolution
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10-4 μWbm (10-10 Tm3, 10-1 emu)
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Sample Size
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With Coil 5800 MC-1
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Ø 37 mmx h 19 mm (1.45” dia x 0.75” H)
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With Coil 5800 MC-2
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Ø 27 mm x h 13.6 mm (1” dia. x 0.6” H)
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Poles diameter
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100 or 120 mm (4” or 4.7”)
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Max H field
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With LP-100 mm pole
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9700 Oe (776 kA/m)
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With LP-120 mm pole
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7750 Oe (620 kA/m)
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Test time
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≤1 minute
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Operating temperature range
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10°C to 35°C
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Communication port
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RS-232 / USB2
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Main electrical cabinet
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Power supply
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220 V, 50 / 60 Hz
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Dimensions
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535x655x550 mm (21”x 26”x 2 2”)
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Weight
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58.5 Kg (129.3 lb)
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Fluxmeter
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Digital Flux
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Ranges
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(1, 2, 5, 10, 20, 50, 100) x 2000 μWb
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Resolution
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From 1 μWb (range 1) to 100 μWb (range 100)
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Accuracy
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± 0.5%
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Drift
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Less than 1digit/minute
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Imput impedance
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10kΩ x range
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Communication
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RS232/USB
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Magnetic Yoke
(Electro Magnet)
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LEP/100-4S
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Max Pole diameter
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120 mm (4.7”)
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Movement operating
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Manual
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Poles setting
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Micrometric
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Dimensions
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330 x 410 X 491 mm (12.9” x 16.1” x 19.3”)
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Weight
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350 kg (approx.) (780lbs)
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PC and Software
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PC
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Latest PC processor class with LCD Flat Screen Monitor
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Operative system
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Windows XP Professional O.S.
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Software
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5800SW
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Manuals and Documentation
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Instruction manual
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ACCESSORIES

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