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  Home ::Jewellery Equipment : Gold Testing Machine : Compact Eco
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Compact Eco

1400+ Successfull Installation

Compact Eco Series is table top spectrometer tool based on xray technology for measuring fast, non destructive yet accurately for precious metal and finished jewellery.

The tool measure precisely and accurately element composition of jewellery alloy like gold alloy, Platinum alloy and silver alloy. Detection of fluorescence radiation by prop counter (or SI PIN) offers large sensitive area, which in turn capture large amount of fluorescence which is vital for accurate analysis of the metal.

Equipped with modern, user friendly software and exact evaluation algorithm made it's operation very simple and user friendly which in turn reduce requirement of technically qualified person to operate it.

Based on field experience of more than 2 decade on x Ray technology of our German principal with more than 2500 satisfied installation, made Aczet preferred manufacture being technology partner and exclusive producer for this equipment specialized to jewellery segment.These models are Fast, Accurate & Non-destructive.

Fast – Ultra fast detection system for quick results
Accurate - These XRF instruments perform material analysis & coating thickness measurement using x-ray radiation technology with modern user- friendly software which ensure accurate measurement
Non Destructive - Simply position the piece of interest with the aid of a video microscope and start the measurement. The analysis is performed without any contact and destruction to the metal in about 2to3 minutes. The result is given in weight % or Karat and might be printed as a certificate.
Easy to Use
Highly accurate, easy-touse system will save your time and money. During the design and production process already a number of exclusive features have been incorporated into the instrument to ensure reliability, stability and high accuracy to ensure a low cost of ownership.

Video Microscope
Simply position of sample with the aid of a video microscope makes it easy to target analysis point.

% & Karat
The results is given in weight % & Karat and could be printed as a certificate.


High energy photons emitted by a X-ray tube interact with metal. The high energy photon is absorbed by an electron of the atom. This electron is accelerated and forced to leave the atom. This created hole in the structure of the electron shell is filled up by an electron of higher energy.

The difference in energy between the leaving electrons position and the filling up electron may leave the atom as a photon of defined energy or as an electron. In the case of a leaving photon this process is called X-ray fluorescence and the energy of the leaving photon is characteristic for this atom and therefore for the element. The electron shells of an atom are called K-, L-, M-shell. Filling up a hole in the K–shell creates K–radiation (Ká if the filling up electron has is origin in the L–shell, Ká if the filling up electron has is origin in the M–shell). Filling up a hole in the L–shell creates L–radiation and so on. Only K and L radiation is on interest because the energy of K and L radiation is in the region which can be detected with standard detectors.

Detecting based on Gas filled prop counter for measuring most common  alloys including gold for jewellery industry & Si-Pin analyzer detecting based on high resolution silicon  detector which is ultimate for alloys analyzing for jewellery industry including gold & silver. with even one step ahead for accuracy & repeatability compare to Gas filled prop counter.

Coating Thickness
Optional module available for measuring coating thickness. Specially useful for plating & electronic industry

• Empirical calibration mode for calibrating unit using well assayed standard samples .
• Fundamental calibration mode for standard free calibration .
• Pre-Calibrations for major yellow and white Gold alloys (optional other precious alloys) .
• Simultaneous quantitative measurement upto 8 elements .
• Qualitative material identification up to 20 elements.
• Spectrum analysis for  semi-quantitative concentration measurement.
• Statistical functions with mean value, standard deviation , high/ low reading, trend line etc.


  • Assaying Centre / Touch Lab.
  • Jewellery Showroom / Manufacturer
  • Plating Thickness
  • Hallmarking Centre
  • Refinery
  • Banks & Money Landers
  • Technical Data
  • F.A.Q.
  • Download
  • Video
MODEL Compact Eco (PC) Compact Eco Pin (Si-Pin) Compact Eco SDD
X-ray Tube Mini-focus, high performance, W-target Spot 0.2mm-0.8mm Long life, high efficiency tungsten target, air cooled optional motorised
High voltage 50kV (1.2mA) Current Software Control Optimized
Delector High Resolution gas filled prop-counter High resolution silicon detector in conjunction with digital signal processing.Pin Diode, 25mm² with Digital Pulse Processor Silicon Drift Detector
Collimator Single Collimator 0.3mm or 0.5mm (optional colimator changer with 4 colimator options
Inside Chamber H 63cm, B 43cm, D 42cm,
Sample stage Manual scissors type z-stage. Optional motorized z-stage with Auto focus facility
Power Supply 110/230VAC, 50/60Hz, 100W
Dimension 400 x 600 x 350mm (WxDxH)
Weight 40 kg

• What is the accuracy of measurement
Ans: Cube: 0.5%
Compact Eco: 0.5%
Compact Eco pin: 0.3%
Note: Accuracy depends on the homogeneous mixture of alloys in the sample

• How deep is the measurement and what is area it take measurement
Ans: Measurement depth is about 12 to 15 microns. Area of measurements is approximately 1mm diameter

• How long the measurement time takes ?
Ans: Measurement time can be set according to the customer requirements. The suggested time for the best results is 60 to 120 sec

• Can we measure other metal mixing % ? which other metal it can detect
Ans: Yes, the metal can be measured in percentage. It can detect the precious metals like Gold, Platinum, Silver, White Gold accurately. Besides, it can also detect the basic alloys of these precious metals like Copper, Zinc, Iridium, Cadmium, Nickel & other metals in the periodic table

• Does your system come with computer?
Ans: Yes we can provide the computer with the software installed in it. It is optional & costs extra.

• Can we generate printout of each result ?
Ans: Yes

• Software is based on which operating system?
Ans: Windows XP

• What is benefit and difference between CUBE, Compact Eco and Compact Eco Si Pin
Ans: Cube is very compact & half the size of the Compact Eco & Compact eco Si Pin. It uses gas proportionate counter detector with the accuracy of 0.5%
Compact Eco also uses Gas proportionate counter detector with the accuracy of 0.5%
Compact Eco Si Pin works on Silicon Pin detector with the accuracy of 0.3% which is better than CUBE & Compact Eco

• Products are manufactured in which country? how many installations of these machines are done till date ?
Ans: Products are manufactured in India. There are more than 1500 installations across the globe

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