Saybolt Viscometer
Dual-line parallel Saybolt viscometer with temperature-controlled bath (RT-240°C) and precision timing for kinematic viscosity measurement of petroleum products and fluids.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Configured during quote
- SKU family
- BIO-0437
- Sizing
- 79.0 x 36.0 x 36.0 cm
- Ordering
- Online checkout and quote request available
- Category
- Analytical Instruments
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The Saybolt Viscometer is a precision benchtop instrument designed for kinematic viscosity measurement using the standardized Saybolt method. This dual-line parallel testing system enables simultaneous viscosity determination of two samples, incorporating a controlled temperature bath with 1000W heating capacity and precise timing mechanisms for accurate flow measurements.
The instrument features a temperature-controlled environment spanning room temperature to 240°C with ±0.1°C accuracy, coupled with timing precision of ±0.1 seconds across a 0-999.9 second range. The standardized 60±0.05ml receiving flask ensures consistent sample volumes for reproducible viscosity determinations. This system serves laboratories requiring reliable viscosity characterization for quality control, research, and development applications across petroleum, chemical, and materials industries.
How It Works
The Saybolt viscometer operates on the principle of measuring the time required for a fixed volume of fluid to flow through a standardized orifice under controlled temperature conditions. The sample is heated in a temperature-controlled bath and allowed to flow through the calibrated tube into the receiving flask. Kinematic viscosity is calculated from the efflux time using established conversion formulas.
The dual-line parallel configuration enables simultaneous testing of two samples under identical temperature conditions, improving throughput and allowing for direct comparison studies. The precision timing system automatically records flow times with ±0.1 second accuracy, while the temperature-controlled bath maintains uniform sample conditions throughout the measurement process.
Features & Benefits
Automation Level
- semi-automated
Working Mode
- Double lines, parallel test
Receiving Flask
- (60±0.05)ml
Bath Power
- 1000W
Bath Temp.
- R.T.~240℃
Timing. Range
- 0~999.9s
Timing Accuracy
- ±0.1s
Temp. Accuracy
- ±0.1℃
Ambient Temp.
- ≤35℃
Relative Humidity
- ≤85%
External Size(W*D*H)
- 360*360*790mm
Package Size(W*D*H)
- 470*400*850mm
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Environmental Monitoring
- Food Science
- Industrial Hygiene
- Materials Science
Power/Voltage
- AC220V, 50Hz
Weight
- 40kg
Weight
- 35.0 kg
Dimensions
- L: 79.0 mm
- W: 36.0 mm
- H: 36.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Testing Configuration | Double line parallel test capability | Single-sample testing configurations are common in entry-level models | Enables simultaneous comparative measurements and doubles sample throughput for efficiency |
| Temperature Range | Room temperature to 240°C with 1000W heating | Limited temperature ranges often restrict high-temperature applications | Accommodates diverse sample types requiring elevated temperature testing conditions |
| Temperature Accuracy | ±0.1°C precision control | Basic models typically offer ±0.5°C or wider temperature tolerances | Ensures reproducible thermal conditions critical for accurate viscosity measurements |
| Timing Precision | ±0.1 second accuracy across 0-999.9 second range | Standard timing systems often provide ±0.5 second accuracy | Critical for precise efflux time measurement, especially for low-viscosity samples |
| Sample Volume Control | Standardized 60±0.05ml receiving flask | Variable volume systems may lack precise volume control | Ensures consistent measurement conditions required for method standardization |
This Saybolt Viscometer provides dual-sample parallel testing with precise temperature control (±0.1°C) and timing accuracy (±0.1s) across a wide operating range. The 1000W heating system enables testing from room temperature to 240°C, while standardized receiving flasks ensure reproducible measurement conditions.
Practical Tips
Use certified reference fluids with known viscosities to verify system accuracy before critical measurements.
Why: Ensures measurement traceability and validates both temperature control and timing system performance.
Clean viscometer tubes thoroughly between samples using appropriate solvents to prevent cross-contamination.
Why: Residual sample contamination can significantly affect subsequent measurement accuracy.
Allow samples to equilibrate at test temperature for sufficient time before initiating flow measurements.
Why: Temperature equilibration ensures accurate viscosity values and prevents measurement drift during testing.
Perform multiple measurements on each sample and calculate average values for improved precision.
Why: Reduces random measurement errors and provides statistical confidence in reported viscosity values.
If timing measurements appear inconsistent, verify that viscometer tubes are properly aligned and free from obstructions.
Why: Mechanical alignment issues can cause erratic flow patterns and compromised timing accuracy.
Ensure adequate ventilation when testing volatile samples at elevated temperatures to prevent vapor accumulation.
Why: High-temperature testing can generate hazardous vapors requiring proper laboratory ventilation systems.
Setup Guide
What’s in the Box
- Saybolt Viscometer main unit
- Temperature bath assembly
- Dual viscometer tubes
- Receiving flasks (60ml)
- Power cable
- User manual
- Calibration certificate (typical)
Warranty
ConductScience provides a one-year manufacturer warranty covering defects in materials and workmanship, with technical support for operation and maintenance procedures.
Compliance
What is the temperature stability during extended measurement runs?
The system maintains ±0.1°C temperature accuracy throughout the 0-240°C range with 1000W heating capacity, providing stable thermal conditions for extended testing sessions.
Can the instrument measure highly viscous samples that require extended flow times?
Yes, the timing system accommodates efflux times up to 999.9 seconds with ±0.1 second accuracy, suitable for high-viscosity fluids requiring longer flow measurements.
How does the dual-line configuration affect measurement precision?
The parallel testing design enables simultaneous measurement under identical temperature conditions, reducing measurement variability and allowing direct comparison between samples.
What sample preparation is required for accurate measurements?
Samples should be free from air bubbles, particulate matter, and water contamination. Pre-filtering may be necessary for samples containing suspended particles.
How frequently should the instrument be calibrated?
Regular calibration with certified reference standards is recommended, with frequency depending on usage intensity and required measurement accuracy for specific applications.
What maintenance procedures are required for optimal performance?
Regular cleaning of viscometer tubes and receiving flasks, temperature bath fluid changes, and periodic verification of temperature and timing accuracy are essential for reliable operation.
Can the instrument handle corrosive or aggressive chemical samples?
Consult product datasheet for specific chemical compatibility information, as sample compatibility depends on materials of construction in contact with test fluids.
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