Saybolt Viscosity

Test Method
Determines the time required for 60mL of sample to flow through a calibrated orifice under precisely controlled conditions. Saybolt Universal Seconds (SUS) is the standard measurement for lubricants, insulating oils and lighter fuel grades, and Saybolt Furol Seconds (SFS) is used for heavier oils and bitumens.

Microprocessor control of temperature between ambient and 240°C (464°F)
Four tube capacity
Dual digital displays show setpoint and actual temperature
Selectable temperature scale - Celsius or Fahrenheit
Automatic timing option for simplified, accurate measurement of efflux times
Conforms to ASTM D88, D244, E102, and related specifications

Constant temperature bath with available automatic timing feature for viscosity determinations using Saybolt viscometer tubes and orifices. Microprocessor PID circuitry assures precise temperature control within ASTM specified tolerances throughout the operating range of the bath. Simple push-button controls and dual digital displays permit easy setting and monitoring of bath temperature. Two place calibration offset is provided. Accommodates four viscometers and four 60mL receiving flasks. Sliding draft shields and a chemical-resistant alignment plate facilitate handling of the flasks, and provided for easy viewing of the samples. Communications software (RS232, etc.) ramp-to-set, and other enhanced features are available at additional cost.

Specifications
Conforms to the specifications of: ASTM D88, D244, E102; AASHTO T72; FTM 791-304
Capacity: 4 viscometer tubes
Temperature Range: ambient to 464°F (240°C)
Temperature Stability: ±0.05°F (±0.03°C)
Bath Capacity: 5 gal (19L)
Recommended Bath Medium: water or suitable heat transfer fluid