ATAGO DOM-24 Edible Oil Degradation Analyzer

Overview

The ATAGO DOM-24 Edible Oil Degradation Analyzer is a handheld, dual-parameter instrument engineered for rapid, non-destructive assessment of thermal degradation in frying oils used across food service, industrial frying, and regulatory inspection environments. It operates on the principle of dielectric constant measurement—calibrated against reference standards—to simultaneously quantify Total Polar Materials (TPM %) and Acid Value (AV, expressed in mg KOH/g). These two parameters are internationally recognized indicators of oxidative and hydrolytic breakdown in edible oils subjected to repeated heating. Unlike laboratory-based titration or chromatographic methods, the DOM-24 delivers field-deployable results in under 10 seconds without solvent use, sample preparation, or operator training beyond basic safety protocols. Its design adheres to the metrological traceability framework required for routine quality control in settings governed by GB 7102.1–2003, ISO 660 (for AV), and AOCS Cd 3d-63 (for polar compound estimation), making it suitable for GLP-aligned workflows where audit-ready data integrity is essential.

Key Features

• Dual-parameter output: Simultaneous real-time measurement of TPM (%) and Acid Value (mg KOH/g) from a single immersion event
• Non-contact operation: Optical-sensor-assisted positioning ensures consistent 30 mm minimum probe-to-oil surface distance—eliminating operator exposure to hot oil and reducing burn risk
• NFC-enabled data transfer: Direct wireless pairing with Android smartphones (Android 8.0+) for timestamped result logging, batch tagging, and geotagging via ATAGO’s proprietary mobile application
• Titanium alloy chassis: Corrosion-resistant, lightweight (≤350 g), and thermally stable housing rated for continuous operation at ambient temperatures up to 40 °C
• Calibration traceability: Factory calibration verified against NIST-traceable reference oils; user-accessible 2-point verification mode using certified TPM/AV standards
• Regulatory alignment: Pre-configured limit alerts for GB 7102.1–2003 thresholds (TPM ≤ 27%, AV ≤ 5.0 mg KOH/g) with visual and audible threshold warnings

Sample Compatibility & Compliance

The DOM-24 is validated for use with common frying media including soybean oil, palm olein, sunflower oil, canola oil, and blended frying fats operating within temperature ranges of 60–190 °C. It does not require homogenization or cooling prior to measurement and maintains accuracy across viscosity changes associated with polymerization (up to 120 cSt). Instrument compliance extends to ISO/IEC 17025:2017 requirements for field instruments used in conformity assessment, and its data export architecture supports FDA 21 CFR Part 11-compliant electronic records when integrated with ATAGO’s desktop software suite (DOM-Link v3.2+). All firmware updates undergo IEC 62304 Class B medical-device-grade validation to ensure deterministic response timing and memory integrity.

Software & Data Management

Raw measurements are stored locally in encrypted internal memory (≥5000 records) and synchronized via NFC or USB-C to ATAGO’s DOM-Link desktop application. DOM-Link enables trend analysis across multiple fryers, time-series plotting of TPM/AV drift, statistical process control (SPC) charting (X̄-R charts), and automated PDF report generation compliant with ISO 10012 and ILAC-P14 documentation requirements. Audit logs record every calibration event, firmware update, and user-initiated configuration change—including operator ID, timestamp, and GPS coordinates (if enabled)—satisfying GLP/GMP data integrity expectations for third-party inspections.

Applications

• Routine monitoring of deep-frying oil life in commercial kitchens, fast-food chains, and catering facilities
• On-site verification by municipal food safety inspectors conducting unannounced audits per GB 7102.1–2003 enforcement protocols
• Preventive maintenance scheduling for industrial continuous fryers based on quantitative TPM accumulation rates
• Quality assurance documentation for HACCP plans requiring critical limit monitoring at the frying step
• Training tool for kitchen staff to correlate sensor readings with sensory degradation cues (smoke point drop, foaming, darkening)

FAQ

Does the DOM-24 require periodic recalibration by an authorized service center?

No—users perform field verification using supplied reference standards; full recalibration is recommended annually or after 10,000 measurements, whichever occurs first.
Can the device measure oils containing particulate matter (e.g., batter residue)?

Yes—the sensor head is designed to tolerate suspended solids up to 50 µm diameter; however, frequent cleaning with isopropyl alcohol is advised to maintain optical path clarity.
Is DOM-Link software compatible with LIMS integration?

Yes—DOM-Link supports HL7 v2.5.1 and ASTM E1384-compliant data export formats for seamless ingestion into enterprise laboratory information management systems.
What is the measurement uncertainty for TPM at the 27% action limit?

±0.8% TPM (k=2, coverage factor for 95% confidence interval), as verified per ISO/IEC 17025-accredited interlaboratory comparison studies.
Does the instrument meet IP rating requirements for wet environments?

It carries an IP54 rating—protected against dust ingress and water splashes from any direction—suitable for kitchen floor deployment but not submersion or high-pressure washdown.