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Where can it be installed?
The SLFA-60 is a compact sulfur-in-oil analyzer based on energy-dispersive X-ray fluorescence (EDXRF) technology. It is portable and can be used on-board, thanks to its pump-free and LN2-free optics. The SLFA-60 series does not require a laptop or external printer, making it flexible to install in any location.
(Left) Placing a sample cell on the measurement position (Right) Light weight and portable
How can I get data without operational computer and printer?
The SLFA-60 has an integrated large-screen display and touch buttons on the main unit, which makes it easier for users to operate the device intuitively. The buttons are covered with a resin sheet to prevent oil from adhering to the device and make it easier to keep it clean. The SLFA-60 also has an integrated printer that can print out all the necessary information on 80 mm wide paper.
How does it protect the device from oil leakage accident?
The SLFA-60 has a protective membrane under the sample cell. It protects the optics (detector and X-ray tube) from accidental sample leakage. The protective membrane is a single unit that is easy for the user to replace.
Is it safe from X-ray exposure?
The SLFA-60 has a two-tier safety system to prevent X-ray leakage: an X-ray shield, an interlock function, and a shutter function. The X-ray shield blocks X-rays from escaping the instrument. The interlock function prevents the X-ray tube from operating if the chamber lid is open. The shutter function closes over the X-ray port once the chamber lid is open, further preventing X-ray leakage. The SLFA-60 meets the requirements of IEC 61010-1, which specifies that the X-ray leakage rate must be under 5 µSv per hour. The SLFA-60 goes even further, with a design specification of under 1 µSv per hour. This means that the SLFA-60 is one of the safest X-ray fluorescence analyzers on the market.
| Measurement Principle | Energy Dispersive X-ray Fluorescence Analysis Method (EDXRF) |
|---|---|
| Measurement Sample | Sulfur in Petroleum products such as heavy oil, naphtha, and crude oil, light oil |
| Measurement Range | 0 – 9.9999 % |
| Repeatability | 15 ppm or less (with a 1 % sulfur sample) |
| C/H Error Correction | ± 50 ppm or less per C/H (with a 1 % sulfur sample) |
| Lower Detection Limit | 20 ppm or less (three times the standard deviation with a 0 % sample) |
| Number of Calibration Curves | 5 lines × 3 sets (Total 15 lines) |
| Calibration Curve Order | Linear or quadratic (both automatic selection and manual settings available) |
| Calibration | Calibration made using calibration points: (5 – 20 points) |
| Sample Requirement | 4 – 10 mL |
| Measurement Time | 10 – 600 sec |
| Spectrum Measurement | Energy Axis: 0 – 10 keV, spectrum analysis to verify instrument performances. |
| External Output | USB connection with PC, USB memory |
Ambient Conditions
| Temperature | + 5°C ～ + 40°C (+ 41°F ～ + 104°F) |
|---|---|
| Humidity | 80% max relative humidity in temperature range + 5°C ～ + 30°C (+ 41°F ～ + 86°F). Linear decrease to 50% relative humidity in temperature range + 31°C ～ + 40°C (+ 88°F ～ + 104°F). |
Power and Housing
| Power Supply | AC 100 – 240 V ± 10 %, 50/60 Hz |
|---|---|
| Power Consumption | 80 VA |
| Dimensions [W x D x H] | 230 x 400 x 140 mm (9 x 15.75 x 5.5 in.) |
| Weight | 9 kg (20 lbs.) |
| Cooling system | Air-cooling |
Conformity Standards
| ASTM D4294 (USA) · ISO 8754 · JIS K2541/B7995 |
Schematics
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