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The latest SpectrOil M series is the eighth generation RDE Optical Emission Spectrometer for elemental analysis in oil and fuel. It is a compact, rugged, transportable and easy to use optical spectrometer that meets military shock and vibration and environmental test standards. The analyzer can be placed in the toughest remote locations around the globe, while still maintaining the laboratory grade accuracy and sensitivity needed for aerospace engine test requirements.
EnquiryA specific calibration program is applied to raw spectrum which eliminates the matrix effect, so results are compliant to ASTM standards. Then user only needs to select the calibration profile for specific fluids. So, switching from oil to fuel to coolant or water only takes seconds, not hours like ICP and other instruments.
| Calibration | Description | Standards | |
| Lubricating oil (Commercial) |
Detect and quantify elemental wear and additives in lubricants. Conforms to ASTM-D6595. Default 24 elements, up to 31 elements | CS-75-500 | Base oil |
| CS-24-100-200G | 24 elements, 100 ppm | ||
| SMA-900-200G | 5 elements, 900 ppm | ||
| Fuel (light and heavy fuel) |
Detect quality and contamination of petrochemicals from crude through the final blended light fuels. Conforms to ASTM D-6728. It includes both light and heavy fuel calibration programs | CS-75-500 | Base Oil |
| CS-GT15-10 | 10ppm for light fuel | ||
| CS-GT15-100 | 100ppm for heavy fuel | ||
| Low Detection (LD) Diesel | Special calibration for #2 Diesel with low limits of detection for Alkaline metals and V. Specifically LOD of V is down to 0.1ppm, critical to meet turbine OEM specification for diesel fuel quality control | CS-HP-100 | High purity base oil |
| CS-GT15-10 | 10ppm | ||
| CS-GT4-1-200G | 1ppm for Li, Na, K,V | ||
| 600-00111 | 0.2 ppm for V | ||
| Coolant/Glycol | Analyze in-service coolant (water glycol mix) for additives and contamination | JDIW | DI water |
| SIGLYCOLSTD-500 | Diluted glycol standard | ||
| Process water | Measuring contamination in a variety of applications like power plant cooling water and turbine wash-down water. | STE006 KIT | DI water and 5ppm standard |
| JOAP Airforce | JOAP Airforce calibration with 15 elements. | D19-0 | Base Oil |
| D12-100 | 12 elements, 100ppm | ||
| D3-100 | Zn, Mo, B, 100ppm | ||
| JOAP Army | JOAP Army calibration with 20 elements. | D19-0 | Base Oil |
| D12-100 | 12 elements, 100ppm | ||
| D3-100 | Zn, Mo, B, 100ppm | ||
| CS-24-100-200G | 24 elements, 10ppm | ||
| SMA-900-200G | 5 elements, 900ppm | ||
To ensure accurate and stable measurement results, different consumables are used for different calibration programs. Only Spectro Scientific certified consumables are qualified to meet performance specifications.
| Calibration Programs | Disc | Rod | Sample Holder (Cup) |
| Lubricant, Coolant, Water | M97008 | M97009 | P-10524 high temperature sample cup (black) |
| Light, heavy fuel, LD fuel | M97008 | M97009 | P-10524 high temperature sample cup (black) M90204 sample cover for low flash point fuels |
| JOAP Airforce and Army | M97200 | M97201 | M90909 Aluminum boat sample holder |
The SpectrOil family of elemental analysis spectrometers consists of the SpectrOil M/C-W for commercial oil analysis, the SpectrOil M/N-W for military applications, SpectrOil M/F for Gas Turbine and Diesel engine fuel analysis and the SpectrOil M/F-LD with lower detection limits for alkaline metals and V for GE gas turbines. All versions of the SpectrOil M family are identical in hardware and differ only in their application and the way they are calibrated.
| Model | Default Calibration Program |
| M/C-W | 24 elements for lubricant and hydraulics |
| M/F-W | 15 elements for light fuel and heavy fuel |
| M/F-LD | 15 elements for No.2 Diesel |
| M/N-W | 15 elements air force |
Pre-conditioning of the fuel before it reaches the gas turbine is a prerequisite for installations using heavy petroleum fuel. Spectrometric analysis with the SpectrOil M/F-W determines the amount of treatment required and the efficiency of that treatment. In particular, sodium and potassium must be accurately measured to less than one parts per million (ppm), and vanadium concentrations must be determined to calculate the amount of magnesium treatment compounds to be added to the fuel. Analysis requirements start with the delivery of the fuel, continue through fuel handling, and end only as the fuel is injected into the turbine.
MF-LD extends the lower limit of detection even further for alkaline metals such Li, NA, K and V down below 100 parts per billion (ppb) for No.2 Diesel, specifically required by some turbine OEMs to reduce corrosion on turbine blades.
The Double Disc Rapid Robot (D2R2) autosampler is a factory configuration option to the SpectrOil M/C or SpectrOil M/N spectrometer that provides automatic operation for the analysis of used oil samples. Any configuration of the SpectrOil M that includes the Double Disc Rapid Robot is referred to as a SpectrOil M/R. Automation is possible with the innovative use of the double disc approach. The need for a sharpened rod electrode for each analysis was eliminated, and the requirement to change graphite electrodes was automated. The result is a simple and rapid robotics system for total automation of the SpectrOil M Oil Analysis Spectrometer.
The D2R2 autosampler consists of two parts: a robot to exchange consumables, and an automatic sample changer for fully automatic and unattended operation. It is a robotics system that mounts to the spectrometer sample stand and fulfills all the functions of sequentially introducing and removing oil samples and exchanging graphite electrodes. It is self-contained and works outside of the spectrometer’s operating software. The autosampler can support 50 samples in one automatic operation.
The SpectrOil D2R2 does not use the traditional rod electrode used in manual systems. A specially designed rotrode disc is used, allowing for unattended operation. The result is a rugged automated system with the reliability of the SpectrOill M family and the unattended operation desired by laboratories with few personnel.
White Paper: Overview of Rotating Disc Electrode (RDE) Optical Emission Spectroscopy for in-service oil analysis
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