COMECAUSE LAW. Dairy Analyzer
| Brand | COMECAUSE |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | LAW. |
| Automation Level | Fully Automatic |
| Measurement Range | Fat 0.01–25% (±0.06%), Protein 2–15% (±0.15%), Lactose 0.01–20% (±0.2%), Non-Fat Solids 3–40% (±0.15%), Density 1000–1160 kg/m³ (±0.3 kg/m³), Water Adulteration 0–70% (±3%), Temperature 5–40 °C (±1 °C), Freezing Point −0.400 to −0.700 °C (±0.005 °C), Ash Content 0.4–4% (±0.05%) |
| Sample Throughput | Up to 30 samples/hour (typical) |
| Interface | Capacitive Touchscreen (7-inch, 1280×800) |
| Calibration | Onboard multi-point calibration with remote validation support |
| Data Storage | Internal SSD (64 GB) + USB export + optional cloud sync |
| Compliance | Designed per ISO 9001 manufacturing standards |
Overview
The COMECAUSE LAW. Dairy Analyzer is a fully automated, benchtop near-infrared (NIR) and ultrasonic multimodal analyzer engineered for rapid, non-destructive compositional analysis of raw and processed liquid dairy products. It employs dual-wavelength NIR spectroscopy combined with high-frequency ultrasonic velocity and attenuation measurements—calibrated against reference methods per ISO 5725 and IDF Standard 141—to quantify key quality parameters in real time. Unlike single-technology instruments, the LAW. platform cross-validates fat, protein, lactose, and freezing point via orthogonal physical principles, significantly reducing matrix interference from homogenization, temperature drift, or minor microbial activity. Designed for operational environments ranging from farm-gate collection points to small-to-midsize dairy processing facilities, it delivers laboratory-grade accuracy without requiring certified analysts or controlled ambient conditions.
Key Features
- Fully automated sample handling with dual independent peristaltic pumps: one dedicated to aspiration and measurement, the other to post-analysis cleaning—eliminating carryover and enabling unattended operation across shifts.
- Integrated quad-core industrial computer with capacitive touchscreen interface (7-inch, 1280×800 resolution), supporting both English and Chinese language firmware—no external PC required.
- Modular hardware architecture: optical sensor module, ultrasonic transducer array, and thermal stabilization unit are field-replaceable with standardized M8 connectors and plug-and-play firmware recognition.
- Self-diagnostic maintenance protocol: automatic daily performance verification using built-in reference standards; alerts generated for optical path contamination, pump wear, or temperature sensor drift.
- Remote calibration validation capability: encrypted OTA updates and traceable calibration certificate generation via secure HTTPS API—compatible with enterprise LIMS integration.
- Onboard curve calibration engine: users can generate, validate, and archive PLS regression models using local reference data—fully compliant with ASTM D6584-22 for NIR method development.
Sample Compatibility & Compliance
The LAW. Analyzer accepts raw bovine milk, goat milk, buffalo milk, UHT-treated milk, reconstituted skim milk powder solutions, and low-fat fermented dairy bases (pH 4.2–6.8). Viscosity range: 1.2–4.5 mPa·s; particulate content ≤ 50 µm. All wetted surfaces contact food-grade 316L stainless steel and PTFE-sealed ultrasonic couplers. The instrument meets CE marking requirements under Directive 2014/30/EU (EMC) and 2014/35/EU (LVD); design documentation includes full RoHS 2011/65/EU and REACH SVHC compliance statements. For regulated environments, optional 21 CFR Part 11–compliant software add-on provides electronic signatures, role-based access control, and immutable audit logs with timestamped operator ID and action metadata.
Software & Data Management
Built on a Linux-based real-time OS, the embedded software suite includes three core components: (1) Acquisition Engine—handles synchronized NIR spectral capture (1200–2500 nm, 16 nm resolution) and ultrasonic transit-time calculation at 5 MHz; (2) Chemometric Studio—supports PLS, PCR, and PCA model training with cross-validation metrics (RMSEC, RMSEP, R²); (3) Reporting Hub—generates PDF/CSV reports conforming to ISO/IEC 17025 clause 7.8, including uncertainty budgets per GUM (JCGM 100:2008). Data storage includes local SSD (64 GB), USB 3.0 export, and optional TLS 1.3–secured cloud backup with configurable retention policies. Audit trail records all parameter changes, calibration events, and user logins with SHA-256 hashing.
Applications
- Raw milk procurement: real-time fat/protein payment grading at collection centers per national dairy pricing schemes (e.g., China’s GB 19301-2010).
- Process control in pasteurization/UHT lines: continuous monitoring of composition drift to trigger automatic hold-tank diversion.
- QC release testing for powdered infant formula pre-blends—verifying lactose crystallinity index via freezing point depression correlation.
- Adulteration screening: detection of water dilution (via density + freezing point dual confirmation) and reconstitution fraud (lactose:protein ratio deviation > ±5% from species-specific baselines).
- Research applications: longitudinal stability studies of fortified milks (vitamin D₃, omega-3 emulsions) where NIR spectral shifts correlate with oxidation onset.
FAQ
What reference standards are required for initial calibration?
Primary calibration requires certified reference materials traceable to NIST SRM 1549 (Whole Milk Powder) and IRMM-805 (Skim Milk Powder), supplemented by in-house pooled raw milk samples characterized via AOAC 989.10 (fat), AOAC 991.20 (protein), and ISO 22657 (lactose).
Can the instrument be validated under GMP/GLP protocols?
Yes—IQ/OQ documentation templates are provided. PQ execution requires site-specific challenge tests per USP <711> and ISO/IEC 17025 Annex A.3; optional IQ/OQ service available through COMECAUSE-certified partners.
Is routine maintenance limited to consumables only?
No—optical windows require quarterly ethanol wipe; ultrasonic transducers are rated for 10,000+ cycles and include automatic gain compensation. Pump tubing life is 6 months at 20 samples/day; replacement kits include calibration verification checklists.
How does the system handle temperature-sensitive samples?
An integrated Peltier-controlled sample chamber maintains 20.0 ± 0.2 °C during analysis. Raw milk inlet path includes pre-thermal equilibration zone to minimize thermal shock-induced fat globule coalescence.
