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Application

Gold Testing Machines for Jewellery Retail Stores : XAN 215

Gold Testing Machines for Jewellery Retail Stores : XAN 215 is uniquely designed and developed as an entry-level X-ray fluorescence measuring instrument which is used for fast and non-destructive analysis and coating thickness measurement of gold, silver alloys. It is also applicable while conducting non-destructive analysis of jewellery, coins and precious metals.

These are also useful for the analysis of precious metals and their alloys in composition and coating thickness and up to 24 elements in the range of chlorine (17) to uranium (92) can be determined simultaneously.

Our gold testing machine in assaying centres: XAN 215 is acclaimed for outstanding accuracy and long-term stability. These are extensively acknowledged for their time saving property and longer service life. These are fitted with the modern silicon PIN detector which achieves high accuracy and good detection sensitivity.

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Gold Testing Machine : XAN 215
Design

These are widely known as a user-friendly bench-top instrument with quick and easy specimen positioning.

These are designed in such a way that its X-ray source and semiconductor detector assembly is located in the instrument‘s lower chamber, which ensure that the measuring direction is from underneath the sample, which is supported by a transparent window.

These provide precise measuring spot adjustment as these are fitted with the integrated video-microscope with zoom and crosshairs simplifies sample place.

Our machines are directed through powerful and user-friendly WinFTM® software for the entire operation and evaluation of measurements as well as the clear presentation.

Our devices are Fully protected instrument with type approval according to the German regulations „Deutsche Röntgenverordnung-röv“ and designed as per DIN ISO 3497 and ASTM B 568 standard.

Typical fields of applications

Jewellery, precious metals and dental alloys

Yellow and white gold

Platinum and silver

Rhodium

Alloys and coatings

Multi layer coatingsx

General Specification

Intended use:Energy dispersive X-ray measuring instrument (EDXRF) to analyze precious metals and their alloys in composition and coating thickness.


Element range:Chlorine (17) to Uranium (92) – up to 24 elements simultaneously


Repeatability:≤ 1 ‰ for gold,measurement time 60 sec


Design:Bench top unit with towards the front opening hood


Measuring direction:Bottom up


X-Ray Source

X-ray tubeTungsten tube, thermally stabilized


High voltageThree steps: 30 kV, 40 kV, 50 kV


Aperture (Collimator):Ø 1 mm (39 mils), optional Ø 2 mm (79 mils)


Measurement spot:Aperture diameter plus 200 μm (8 mils),at measurement distance MD= 0mm


X-Ray Detection

X-ray detectorSilicon PIN detector with peltier cooling


Resolution (fwhm for Mn-Kα)≤ 180 eV


Measuring distance0 … 25 mm (0 … 1 in)

Distance compensation with patented DCM method for simplified

measurements at varying distances. For particular applications or for

higher demands on accuracy anadditional calibration might be necessary.


Sample Alignment

Sample positioningManually


Video microscopeHigh-resolution CCD color camera for optical monitoring of the measurement

location along the primary beam axis,Crosshairs with a calibrated scale (ruler)

and spot-indicator,Adjustable LED illumination


Zoom factorDigital 1x, 2x, 3x, 4x


Sample Stage

DesignFixed sample support


Usable sample310 x 320 mm (12.2 x 12.6 in)

placement area

Max. sample weight13 kg (29 lb)


Max. sample height90 mm (3.5 in)


Electrical Data

Power supplyAC 115 V or AC 230 V 50 / 60 Hz


Power consumptionmax. 120 W, without evaluation PC


Protection classIP40


Dimensions

External dimensionsWidth x depth x height [mm]: 403 x 588 x 365 mm, [in]: 15.9 x 23.1 x 14.4


WeightApprox. 45 Kg (99 lb)


Environmental Conditions

Operating temperature10 °C – 40 °C / 50 °F – 104 °F


Storage/Transport0 °C – 50 °C / 32 °F – 122 °F

temperature


Admissible air humidity≤ 95 %, non-condensing


Evaluation Unit

ComputerWindows®-PC


SoftwareStandard: Fischer WinFTM® BASIC including PDM®,


Optional: Fischer WinFTM® SUPER


Standards

CE approvalEN 61010


X-Ray standardsDIN ISO 3497 and ASTM B 568


ApprovalFully protected instrument with type approval according to the

German regulations "Deutsche Röntgenverordnung-RöV".


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