DM1260type

XFluorescence sulfur measurementinstrument(2019sincere)

Low detection limit（300s）(Atmosphere)：

2.6 ppm

to the satisfaction of2019Version ofGB/T 17040And improvement

use

Energy dispersive X-ray fluorescence (EDXRF) analysis technology

low-backgroundThin beryllium window proportional counter tube, secondary filter

High count pass rateDigital Multi Channelpulse height analyzer

Reasonable combination of high voltage, current, and target material for X-ray source

Compliant with standards:

GB/T 17040

GB 17411

ASTM D4294

overview

XFluorescence sulfur analyzerIt is a quantitative analysis instrument used in industries such as petroleum, coal, building materials, metallurgy, mining, etc. It is mainly used to measure the total sulfur in petroleum and its products, coal, cement, carbon black and other materials（S）The content. Due to its use of physical analysis methods, it has the characteristics of fast analysis speed, no need for complex sample pretreatment, high accuracy, small human error, low labor intensity of operators, and no pollution. Therefore, it has been widely used and basically replaced chemical analysis methods.

DM1260typeXFluorescence sulfur analyzerOur company has been collecting data for decadesXThe research experience of fluorescence analyzer in the company's existingDMSeries calcium iron analyzerXFluorescence sulfur analyzerXDeveloped on the basis of fluorescence multi-element analyzer, mainly used in the petroleum industryXFluorescence sulfur analyzer. It is mainly used for measuring petroleum and its products (and other liquids)SThe content. It adopts energy dispersionXX-ray fluorescence(EDXRF)Analytical techniques, small-scaleXUsing a light tube as the excitation source, a thin beryllium window inflatable proportional counter tube, a secondary filter, a special optical path system, and a hard sample ratio method to achieve the detection limit10ppm（300s）； It has automaticC/HCompared to correction, suitable for multiple samples, integrated, with large data storage capacity and the fastest speed60Provide results in seconds. The sulfur analyzer2005Since its launch, it has been sold1Over a thousand units, occupyinglargerThe market share.

2019sincereDM1260typeXFluorescence sulfur analyzerTo satisfy2019Version ofGB/T17040And the improvement was launched. Except for maintaining the originalDM1260In addition to its advantages, the following major improvements have been made:

(1)Replace the original proportional counter with a low background and thinner window proportional counter tube. Adjusted the distance and angle between the radiation source, detector, and sample. Adjusted itXThe high voltage, current, and target material of the radiation source.

(2)Adopting the latest designFPGA，DSPThe digital multi-channel pulse amplitude analyzer with advanced technology replaces the original simple multi-channel pulse amplitude analyzer, reducing dead time and improving counting pass rate.

(3)Using new large-scale integrated circuitsCPUReplace the old as80C31classCPUReplace the original vertical circuit with a patch circuit.

(4)Replace the original black and white LCD screen and keyboard with a large color touch LCD screen, and replace the original needle printer with a thermal printer.

of which(1)and(2)The improvement has reduced the background and increased sensitivity, thereby greatly reducing the detection limit2.6ppm（300s）, so that this sulfur analyzer can fully meet the requirements2019Version ofGB/T17040centrePLOQ(Merge quantitative limits)do16ppmThe requirements. Simultaneously comply with national standardsGB17411And the American National StandardsASTM D4294The relevant requirements. of which(3)and(4)The improvement greatly enhances the reliability of the sulfur analyzer and improves the user's operating experience.

2019sincereDM1260typeXFluorescence sulfur analyzerThe launch of is the result of our company's self transcendence, which will undoubtedly enable our company toXMaintain a long-term leading position in the field of fluorescence analyzers in China.

characteristic

Fast and Accurate––The required measurement time is extremely short, usually giving the content result in a few tens of seconds. Has extremely high reproducibility and reproducibility.

Low detection limit––useEDXRFTechnology, low background thin beryllium window proportional counter tube, secondary filter. Reaching a lower detection limit.

Strong adaptability––automaticC/HCompared to correction, suitable for various samplesAutomatic work curve switching, suitable for a wide measurement range.

long term stability––Adopting variable gain digital multi-channel, with functions such as gain adjustment, ratio correction, deviation correction, etc，Has excellent long-term stability.

Environmental protection and energy saving––Radiation protection meets exemption requirements. During analysis, there is no contact or damage to the sample, no pollution, no need for chemical reagents, and no need for combustion.

Easy to use––Touch screen operation. The sample is directly loaded into the sample cup, and after placing it in the instrument, simply press the button[start]Just press the key, truly achieving one click operation.

high reliability––Integrated design, high degree of integration, strong environmental adaptability, strong anti-interference ability, and high reliability.

Data transfer and storage––It can store massive amounts of data, support data retention after power failure, and can be viewed at any time. And can transfer stored data toPCMachine.

high performance-price ratio––No gas, vacuum, or dilution is required, and the operation and maintenance costs are extremely low. The price is half of similar foreign products.

Specification

scope of application

Applicable to refineries, testing and certification agencies, oil depots, and laboratories with measurement ranges from16ppmarrive10%Various types of oil products(Such as gasoline, diesel, heavy oil, residual fuel oil, etc)Additives, lubricants containing additives, and products during refining processesSMeasurement of elements.

It is also applicable to any material in various industriesSMeasurement of Elements

calibration

Divide the content into low（0～1000ppm）In the middle（0.1%～1%）, high（1%～4.6%）Three ranges, each using the known content within its own range5One containingSSamples are calibrated within their respective ranges of the instrument, resulting in separate graphs1, picture2, picture3The work curve.

picture1. Low（0～1000ppm）Content rangeSThe working curve of the sample

picture2. In the middle（0.1%～1%）Content rangeSThe working curve of the sample

picture3. High（1%～4.6%）Content rangeSThe working curve of the sample

The correlation coefficient γ of all working curves0.999All greater than, indicatingDM1260

The linear error of the sulfur analyzer is extremely small.repeatability

(r):The same operator,In the same laboratory,Using the same deviceDM1260sulphur meter,Measure the same sample under the same conditions,1The two experimental results obtained are shown in the table

.1. outsiderepeatabilitytest

satisfyThe repeatability of test results rAll are less thanGB/T17040requireofrepeatabilityr, indicatingDM12602019The sulfur analyzer fully meets the requirementsVersion ofGB/T17040

Requirements for repeatability.reproducibility

(R)Different operators use different methods in different laboratoriesDM1260sulphur meter，Measure the same sample，2The two experimental results obtained are shown in the table

.2. outsidereproducibilitytest

satisfyThe test resultsreproducibilityRAll are less thanGB/T 17040requireofreproducibilityR, indicatingDM12602019The sulfur analyzer fully meets the requirementsVersion ofGB/T 17040have sth. to do withreproducibility