Sitelab UVF-Trilogy EDRO Analyzer

Overview

The Sitelab UVF-Trilogy EDRO Analyzer (Model No. 7200-004-EDRO) is a benchtop ultraviolet fluorescence instrument purpose-built for extended diesel range organics screening across the C10–C36 carbon range, combining the conventional DRO fraction (C10–C28) with the heavier ORO fraction (C28–C36) in a single factory-calibrated test. Seven Star LLC supplies the Sitelab UVF-Trilogy EDRO Analyzer to environmental consulting firms, remediation contractors, and petroleum terminal operators throughout Oman and the wider GCC region who need fast, defensible diesel-range hydrocarbon data without waiting days for an outside laboratory. Because the UVF-Trilogy EDRO Analyzer arrives factory calibrated using Sitelab’s own EDRO reference standards, field teams and in-house lab technicians can begin generating quantitative results immediately after unboxing the instrument.Seven Star LLC supplies this item on request with the manufacturer documentation, and availability and lead time are confirmed at quotation.

Working Principle

Like the rest of the UVF-Trilogy platform, the Sitelab UVF-Trilogy EDRO Analyzer works by exciting a solvent-extracted sample with an ultraviolet LED tuned to the EDRO module’s specific wavelength and optical filter set, then measuring the resulting fluorescence intensity of the aromatic compounds present in diesel-range petroleum. The instrument reports a direct total petroleum hydrocarbon concentration in the extended diesel range without requiring gas chromatography, and results from the Sitelab UVF-Trilogy EDRO Analyzer compare well to EPA Method 8015M, EPH methods, and other laboratory TPH-DRO gas chromatography test methods, as well as the draft SW-846 Method 8640 that EPA has circulated specifically for UVF-based EDRO measurement. Because the diesel-range aromatic content of a sample can shift meaningfully as fuel weathers in the environment, the analyzer supports calibration against either fresh No. 2 diesel fuel or a 50% weathered diesel standard, letting the operator match the calibration curve to the actual condition of the contamination being investigated.

Engineering Design

The Sitelab UVF-Trilogy EDRO Analyzer shares its rugged benchtop housing with the rest of the Trilogy family: an intuitive full-color touch screen interface, storage for up to 18 calibrations in onboard memory, and a snap-in UV module bay so the EDRO module can be swapped out or paired with additional GRO, TPH Oil, or PAHs modules on the same chassis as testing needs expand. Every UVF-Trilogy EDRO Analyzer ships complete with a glass sample cuvette, a solvent dispenser bottle, and the other consumables needed to run a test straight out of the box, and spare quartz cuvettes are available separately under part number QCUV-10MM. For field deployments away from Seven Star’s client laboratories in Oman, the optional heavy-duty waterproof field case (part number 7200-UVFCASE) adds a rechargeable 120V battery pack so the same benchtop-grade EDRO Analyzer can travel to a well pad or pipeline right-of-way.

Key Features

The Sitelab UVF-Trilogy EDRO Analyzer detects extended diesel range hydrocarbons across the full C10–C36 span in a single pass, sparing the operator from running separate DRO and ORO tests on the same sample. Results are generated in minutes rather than the days typically required for outside gas chromatography, and the touch screen interface walks even an inexperienced technician through sample measurement, calibration, and mode selection. Because the Sitelab UVF-Trilogy EDRO Analyzer is not sensitive to aliphatic hydrocarbons and instead targets the polycyclic aromatic compounds characteristic of diesel-range fuel, it delivers a more selective, less matrix-interfered reading than simple gravimetric TPH screening for diesel-contaminated sites.

Industrial Applications

Seven Star positions the Sitelab UVF-Trilogy EDRO Analyzer for diesel fuel spill investigations, No. 2 fuel oil release assessments, weathered fuel oil characterization at legacy contamination sites, crude oil and lube oil screening, and general extended diesel range hydrocarbon monitoring across water, soil, sediment, and non-aqueous phase liquid (NAPL) matrices. Oman’s downstream fuel distribution network, marine bunkering terminals, and inland pipeline corridors generate a steady stream of diesel-range contamination questions—tank farm leak investigations, pipeline right-of-way remediation, and vehicle fueling depot soil assessments among them—and the UVF-Trilogy EDRO Analyzer gives consultants and operators a same-day answer instead of a lab turnaround measured in days. GCC environmental consultancies running phase II site assessments on former fuel storage or distribution properties also rely on the Sitelab UVF-Trilogy EDRO Analyzer to triage which samples genuinely warrant confirmatory gas chromatography analysis.

For sites where the contamination profile is not yet known to be strictly diesel-range, the UVF-Trilogy platform’s snap-in module design lets Seven Star’s clients add the GRO, TPH Oil, or PAHs modules alongside the Sitelab UVF-Trilogy EDRO Analyzer on the same instrument, or step up to the four-module Fingerprinting Analyzer for full forensic characterization of mixed petroleum releases. With engineering support in Muscat, Seven Star LLC supplies the Sitelab UVF-Trilogy to laboratories, industrial facilities, and research institutions throughout Oman, Muscat, and the Sohar and Salalah economic zones, with technical support with selection.

Seven Star’s technical team can also help clients decide whether a straightforward EDRO screening program is sufficient or whether a broader multi-module Trilogy configuration would better serve a site where diesel, gasoline, and heavier oil contamination may all be present, so that the analyzer purchased today continues to match the project’s scope as it evolves.

Also available: Sitelab UVF-Trilogy PAHs Analyzer

Request a Quote for Sitelab UVF-Trilogy EDRO Analyzer

Seven Star LLC supplies the Sitelab UVF-Trilogy EDRO Analyzer and the complete family of Sitelab UVF hydrocarbon test equipment to environmental consultants, remediation contractors, and oil and gas operators across Oman and the wider GCC region. For pricing, calibration standards, or technical guidance on selecting the right UVF module configuration for your diesel-range contamination project, contact our engineering team for a tailored quotation and application support. Seven Star LLC supplies the Sitelab UVF-Trilogy on request with manufacturer documentation and regional technical support.