The A2140 X‑ray Fluorescence Sulfur Analyzer complies with standards GB/T 17040, GB/T 11140 and ASTM D4294‑03. It is an X‑ray fluorescence analyzer developed and manufactured to meet the requirements for sulfur content testing in oil products.

Adopting the energy‑dispersive principle and the mechatronic microcomputer‑based design, it delivers fast analysis with good repeatability and reproducibility. It serves as an important tool for sulfur content determination in crude oil and petrochemical production processes.

The analyzer is widely used in petroleum refineries, fuel production plants, oil laboratories and quality inspection institutions for measuring total sulfur content in:

• Crude oil
• Diesel fuel
• Gasoline
• Kerosene
• Heavy oil
• Lubricating oil
• Petroleum products

The instrument complies with the requirements of ASTM D4294 Standard Test Method for Sulfur in Petroleum Products by Energy Dispersive X-ray Fluorescence Spectrometry.

Technical Parameters

Working Principle

The A2140 uses Energy Dispersive X-ray Fluorescence (EDXRF) analysis technology.

During testing:

1. The X-ray tube generates primary X-rays.
2. The X-rays irradiate the petroleum sample.
3. Sulfur atoms inside the sample produce characteristic fluorescent X-rays.
4. The detector measures fluorescence intensity.
5. The system calculates sulfur concentration according to calibration curves.

This method provides:

✔ Non-destructive testing
✔ No chemical reagents required
✔ Small sample consumption
✔ Fast analysis speed
✔ High repeatability

Instrument Characteristics

1. 1. Adopts mechatronic microcomputer‑based design for a compact and elegant appearance.

1. 1. Supports a wide variety of test samples, broad measuring range and rapid analysis, with low consumption of standard samples.

1. 1. Applies the relative comparison analysis method based on fluorescence intensity ratio. Automatic correction for temperature and atmospheric pressure is available; correction for carbon‑hydrogen ratio (C/H) is also supported.

1. 1. Equipped with an 8‑inch IPS capacitive touch screen featuring high brightness for clear visibility under sunlight with adjustable brightness. The software interface is intuitive and user‑friendly for easy operation.

1. 1. The operating status and electrical parameters of the instrument can be evaluated by counting measurement and energy spectrum measurement of reference samples.

1. 1. Provided with standard RS‑232C serial communication interface. Content data, counting data and calibration data can be uploaded to a computer.

1. 1. Disposable single‑sided Mylar film sample cups are used to avoid cross‑contamination. Multi‑purpose pressing accessories enable fast and convenient sample cup preparation. The cup lid is fitted with air vents and allows recording of sample number, S% (m/m) and date.

1. 1. The sample‑loading platform is mounted on a slide rail platform to ensure accurate positioning.

1. 1. Large‑capacity data storage is available for content analysis results and calibration curve parameters.

1. 1. Tight oil‑leakage protection is implemented. The sample cup is placed on an oil‑proof component and moves to the measuring position only during sample analysis.

1. 1. Reliable X‑ray protection measures: Strict shielding is arranged around the detection system to prevent X‑ray leakage, causing no X‑ray ionizing radiation harm to operators or the public.

Applications

Petroleum Refinery

Used for:

• Crude oil sulfur analysis
• Fuel quality inspection
• Production monitoring

Fuel Manufacturing

Applicable for:

• Diesel fuel testing
• Gasoline sulfur measurement
• Aviation fuel inspection

Lubricant Industry

Testing:

• Engine oil
• Hydraulic oil
• Industrial lubricants

Research Laboratory

Suitable for:

• Universities
• Testing centers
• Petrochemical research institutes

FAQ

Q1: What products can A2140 X-ray Fluorescence Sulfur Analyzer test?

A2140 can test crude oil, diesel fuel, gasoline, kerosene, heavy oil, lubricating oil and other petroleum products.

Q2: Which standard does this sulfur analyzer comply with?

The analyzer is designed according to ASTM D4294 sulfur testing requirements.

Q3: Does the test require chemical reagents?

No. XRF technology provides non-destructive sulfur analysis without chemical reagents.

Q4: How much sample is needed for one test?

Only about 2–3 ml petroleum sample is required.

Q5: Is it suitable for refinery laboratories?

Yes. It is widely used for refinery quality control, petroleum laboratories and fuel production testing.

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