Malcom PC-1TL Spiral Viscometer

The Malcom PC-1TL Spiral Viscometer is a precision instrument designed for measuring the viscosity of various fluids, particularly in applications requiring high repeatability and accuracy.​

Key Features:

• Dual Coaxial Cylinders: The viscometer utilizes two coaxially rotating cylinders, which enhance measurement stability and accuracy.​

• Spiral Pump Sensor: Equipped with a spiral pump sensor, it ensures a constant flow, allowing for steady and reliable viscosity measurements.​

• Continuous Measurement Capability: It can continuously measure the viscosity of liquids that change viscosity during mixing, accommodating a wide range of fluid behaviors.​

• Fixed Shear Rate and Time: The device operates at a fixed shear rate and time, contributing to high repeatability and accuracy in measurements.​

• Interchangeable Rotors: The PC-1TL comes with interchangeable rotors (Type A, B, C), enabling it to measure a broad range of viscosities.​

Specifications:

• Viscosity Range:

  • Type A: 5–800 Pa·s

  • Type B: 0.2–20 Pa·s

  • Type C: 20–2,000 mPa·s​

• Rotational Speed:

  • Type A: 3–80 rpm

  • Type B: 10–80 rpm

  • Type C: Fixed at 40 rpm​

• Shear Rate:

  • Type A: 0.6 × N s⁻¹

  • Type B: 1.2 × N s⁻¹

  • Type C: 4.8 × N s⁻¹​

• Sample Size:

  • Type A: Minimum 5 cc

  • Type B: Minimum 40 cc

  • Type C: Minimum 60 cc​

• Measurement Accuracy: Indicated value ±5%​

• Repeatability Accuracy: ±2%​

• Measurement Temperature Range: 0–50°C, with a resolution of 0.1°C and accuracy of ±0.5°C​

• Cylinder Material: Stainless steel (SUS)​

• Digital Display: Displays viscosity, temperature, and rotational speed (rpm)​

• Digital Input/Output: USB and RS232C interfaces​

• Recording Output: Viscosity and temperature data​

• Power Supply: AC 100–240V, 50/60Hz, 5W​

• Weight: Approximately 4.6 kg, including the sensor​

Please note that only one rotor type (A, B, or C) is included in the standard set; additional rotors must be purchased separately. The RS232C interface is for digital output only. Calibration fluids and standard correction fluids are available as options.​

This viscometer is suitable for various applications, including quality control in industries such as electronics, automotive, and pharmaceuticals, where precise viscosity measurements are crucial.