Automated Viscometer CAV 42 Aims to Boost Laboratory Throughput

Technical specifications list a temperature range of 15°C to 150°C and a viscosity range of 0.5 to 10,000 mm²/s. The system can process up to 24 tests per hour and includes a preheating function that covers ambient temperature to 100°C.

The unit uses a modular dual-bath design that provides redundancy for continuous testing and allows two independent baths to operate at different temperatures at the same time. For laboratories that frequently switch test temperatures, the configuration reduces equipment preparation time.

Independent sample handlers support unattended operation, while status indicators give operators a visual read on instrument activity without requiring constant presence at the unit.

• Selective preheating: Targeted zone preheating brings individual samples to the set temperature, shortening the wait before testing begins.
• Independent sample processing: Dual sample handlers enable unattended operation and support reliable, stable test runs.
• Flexible test methods: A single sample tray can hold multiple predefined or custom methods, streamlining workflow.
• Status monitoring: Indicator lights let operators track instrument status without remaining at the bench.

Beyond measurement accuracy, laboratory managers are weighing long-term operating costs. The CAV 4.2 includes design features intended to reduce solvent use, service calls and routine maintenance time.

• Solvent consumption: A dedicated tubing design cuts solvent use and downstream waste disposal costs by more than 50 percent, according to the specifications.
• Maintenance access: Operators can replace viscosity tubes in minutes, avoiding costly external service visits for minor faults.
• Calibration control: A single-point temperature calibration approach reduces the frequency of repeated tube calibration and adds flexibility to testing.
• Automated cleaning: An integrated sample vial cleaning and drying system saves manual cleaning time and lowers consumable use.

The combination of dual-bath automation, independent sample handling and lower solvent consumption is intended to help laboratories manage throughput and operating expenses without compromising D445 testing requirements.