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Instrument introduction
EDS7700T is the advanced precious metals testing machine. It is configured with the best SDD detector. Therefore, it has super good accuracy and super good stability.  Besides,  EDS7700T can easily distinguish gold 999 and gold 9999. 
Instrument Features
Quick Test
Within five second, you can get both the Karat value and content value of your gold sample.
Accurate
Testing result of our XRF is comparable to the fire assay.
Non destructive 
XRF test will not destroy your gold sample.
Multi-functional 
EDS7700T can testefrom sodium (Na) to uranium (U) between all the elements (Au, Ag, Pt, Pd, Ru, Rh, Os, Ir, W, etc.)
Applications fields:
Jewelry factories
Jewelry shops
Pawnshops
Banks
Gold testing labs or fire assay labs
Refiners who buy and sell gold

EDS7700T precious metals analyzer performance and configuration
Analysis 1 PPM to 99.99% range
Measurement accuracy of 0.01% or less(Au>96%)
Solid, powder, liquid test form
Light tube voltage 5 kv ~ 50 kv
High voltage power supply 0 ~ 50 kv
Light control current 0 mu A ~ 1000 mu A
camera Hd camera
filter Can choose a variety of customized switch
The probe SDD
Resolution 135 + 5 ev
Multichannel analyzer KEY - DMCP
Sample chamber size 380 * 380 * 60 (mm)
Test time 5 SEC ~ 60 SEC
Measuring elements from sodium (Na) to uranium (U) between all the elements (Au, Ag, Pt, Pd, Ru, Rh, Os, Ir, W, etc.)
The KEY - FP qualitative quantitative analysis software analysis software
The external size 480 * 480 * 390 (mm)
38 kg weight
 
 
Instruments and environmental requirements
Ambient temperature - 5 ° ~ 40 ° C C
The relative humidity of 15% ~ 90%
AC 220 v + 5 v power supply requirements, 50/60 hz, near no high power electromagnetic vibration and interference sources
Your Partner 
  KEYRAY is committed to develop a long-term cooperation partnership with precious metals dealers, precious metals refining industry and companies in the manufacturing industry. We understand this industry, and we believe that our instruments will help customers achieve business success. The analyzers that we manufacture have more reliable performance and more accurate test results. We try our best to provide you with high quality technical support to ensure your investment to get satisfactory returns.
Satisfactory Return on Investment
      As long as the users need, no matter when and where, XRF analyzer can finish thousands of times of analysis operation during a day. Using XRF analyzer for testing, it won't damage products. Customers almost don't need to prepare samples and we can get the reliable results in a few seconds .This means that when customers need to analyze the samples, no need to send samples to the lab, also no need to depend on guessing, and you can immediately get the analysis results from our instruments.
Excellent Customer Support
From the initial to provide you with product demonstrations, to determine the type of the analyzer for you, to provide comprehensive training for you and answer your any question, and to meet your needs in the future, we will always provide you with support and help at any time. Our customer support department provides clients with a full range of training services, and we can make a satisfactory answer for the customer's requirements in time. So we feel very proud about this. The customer satisfaction is our permanent goal.
Theory of Business
Based on science and technology! Based on innovation! Quality first! Renowned the world over!
Corporate Vision
Become the global core strength in the field of nondestructive analysis.
Enterprise Mission
Popularizing the common sense of nondestructive analysis and eliminating the false and inferior metal products.

Company Introduction

Keyray Instrument Inc is a high-tech enterprise with independent intellectual property rights, registered capital of 5 million RMB. 
The company specializes in researching , developing, producing and selling energy dispersive spectrometers, wavelength dispersion spectrometers, infrared spectrometers.
The company was awarded the standing director unit of China instrument industry association.
The company's advantage is that we can provide customers with personalized industry solutions.
All the devices have achieved international CE, FCC and RHOS certifications etc.
Products are exported to Europe, America and Southeast Asia and other countries and regions, recording annual sales of more than 1,000 units. Domestic numerous jewelry jade quality appraisal centers, large jewelry manufacturers and jewelry retailers, all of them select and use our products.