892 Professional Rancimat /Oxidation stability

Determination of the oxidation stability of

− Oils and fats

− Fat-containing foods

− Cosmetics

Instrument Overview

• Purpose: Determines oxidation stability of:
• Oils and fats.
• Fat-containing foods.
• Cosmetics.
• Method: Long-established Rancimat method:
• Involves heating samples and passing air through them to accelerate oxidation.
• Measures induction time (resistance to oxidation) and peroxide value.

Key Features

Instrument Features

• Control: Fully controlled via PC using StabNet software.
• Ease of Use:
• Individual start buttons for each measuring position.
• Integral color display to monitor each position’s status.
• Disposable reaction vessels minimize cleaning time.
• Design:
• 2 heating blocks with 8 measuring positions per instrument.
• Up to 4 instruments can be connected to one PC.
• Accessories:
• Robust conductivity cells integrated into reaction vessel covers.
• Affordable disposable glass parts.

Software (StabNet)

• User Interface: Clearly laid out with intuitive controls.
• Functions:
• Database with flexible filtering, sorting, and statistical tools.
• Automatic backup and manipulation-proof database.
• User administration with customizable access rights.
• Supports FDA, GLP, and GMP compliance.
• Data Management:
• Enables reevaluation or recalculation of measurement data.
• Creates customized reports with templates and company logos.

Applications

Primary Applications

• Oxidation stability testing of:
• Vegetable and animal oils and fats.
• Oil and fat-containing foods and cosmetics.
• Examination of antioxidant effectiveness.
• Determining antioxidation capacity of various foods.

Sample Categories

• Direct Measurements:
• Butter cookies, instant noodles, chips, popcorn, nuts.
• After Extraction:
• Mayonnaise, salad dressing, chocolate, sausage products.
• With Carrier Material:
• Wine, tea, coffee, cosmetics, animal feed.

Technical Specifications

Heating System

• Blocks: 2 aluminum heating blocks.
• Temperature Range: 50°C to 220°C (adjustable in 1°C steps).
• Precision:
• Deviation from set value: < ±0.3°C.
• Reproducibility: Typically better than ±0.2°C.
• Temperature variations: Typically <0.1°C.

Air Throughput

• Pump: Diaphragm pump.
• Flow Rate: 1 to 25 L/h (adjustable).
• Accuracy: ±(0.25 L/h + 5% of measurement value).

Conductivity Measurement

• Electrodes: Stainless steel, integrated into vessel covers.
• Range: 0 to 400 µS/cm.

Power and Dimensions

• Voltage: 100-120 V or 220-240 V.
• Power Consumption: Max. 450 VA.
• Size: 383 mm x 461.5 mm x 276.5 mm.
• Weight: 16.1 kg.

Software Requirements

• Operating System: 64-bit Windows (10, 11, or Server versions).
• RAM: 8 GB.
• Disk Space: 10 GB minimum (50 GB recommended).

Standards Compliance

• Recognized by international standards:
• AOCS Cd 12b-92: Oil Stability Index.
• ISO 6886: Oxidative stability of fats and oils.
• 2.4.28.2-93: Fat stability tests (Japan).

Ordering Information

• Instrument:
• 892 Professional Rancimat (2.892.0010).
• Includes necessary accessories; StabNet software required but sold separately.
• Recommended Accessories:
• Consumable kits, polystyrene measuring vessels, air tubes, conductivity standards, etc.
• Software: StabNet 2.0 Full (6.6068.202).

Data Integrity and Security

• ALCOA Principles: Ensures data is:
• Attributable, legible, contemporaneous, original, accurate.
• Security:
• User access controls and password protection.
• Supports digital signatures per FDA guidelines.
• Backup: Automatic database backups at predefined intervals.