cobas c 311 Analyzer
The cobas c 311 analyzer helps laboratories expand their testing services with a diverse test menu, optimize space, and enable staff to deliver higher value through reliable and efficient operations.
The cobas c 311 analyzer is a fully automated, random-access system designed for clinical chemistry and electrolyte tests. It is a key component of the cobas® 4000 analyzer system, offering a compact design and accurate results suitable for various laboratory needs, from small hospitals to specialized clinics.
Key Features and Capabilities:
- High Performance:
- Processes up to 300 photometric tests per hour.
- Up to 450 ISE tests per hour (ISE only).
- Can perform 300 mixed tests per hour.
- Comprehensive Test Menu: Supports up to 117 photometric tests, 3 ISE tests, 8 calculated parameters, and 3 serum indices.
- Smart Reagent Management:
- Uses cobas c reagent packs with integrated barcodes and ready-to-use reagents, eliminating the need for mixing or preparation.
- Has up to 45 reagent positions on board (42 refrigerated and 3 for ISE tests).
- Efficient Sample Handling:
- Equipped with 108 sample loading positions with continuous access and STAT (immediate run) positions.
- Supports various tube types (5–10 mL tubes) and 2.5 mL sample cups.
- Low minimum sample volume handling: 700 µL for sample tubes, 100 µL for sample cups, and 50 µL for micro-cups.
- Features clot detection to ensure sample integrity.
- Supports common barcode types like Code 128, Codabar (NW 7), 2/5, Code 39.
- Optimized Workflow and Ease of Use:
- Fast startup time of only 6 minutes.
- Requires only 15 minutes of daily maintenance.
- Automated weekly maintenance takes 48 minutes.
- Ability to schedule and perform automated maintenance, even in standby mode.
- Integrated touchscreen for control and a user-friendly interface.
- Designed to reduce operator intervention time, allowing staff to focus on higher-value tasks.
- Safety and Reliability:
- The system boasts an uptime of over 99%, proven by more than 26,000 installations worldwide.
- Provides multiple safety features to ensure sample integrity and reliable reagent checks.
Key Specifications:
- Water Quality: Bacteria-free deionized water, max 1.0 µS/cm.
- Water Consumption: 12 liters per hour during operation.
- Electrical Requirements: 230/400 Volts AC 3/N/PE, 110 Volts AC 1.5 kVA, 50 Hz or 60 Hz +/- 0.5%.
- Operating Conditions: Ambient temperature 15 to 32 °C, humidity 30% to 85% (non-condensing).
- Physical Dimensions (W x D x H): 134 cm x 86 cm x 126 cm.
- Weight: 270 kg.
- Regulatory Compliance: Manufactured and certified in compliance with GS, CE, UL, C-UL standards.




