Petroleum Products Kinematic Viscosity Tester DKV-503

The instrument is designed and made as ASTM D 445. It is suitable to determine kinematic viscosity of liquid petroleum products (Newton liquids) at a certain temperature.

Characteristics: two layers bath, digital temperature controlling, it can cut off a group of heater in time, test time and test results shown by a color LCD. It can time test time automatically, preset system parameters, calculate and print viscosity value at the end of test.

Specification :

Technical parameters

1. Power supply: AC 220 V±10%, 50 Hz

2. Heating power: 1700 W

3. Temperature range: ambient temperature～100.0°C

4. Temperature controlling accuracy: ±0.01°C

5. Bath cubage: 20 L

6. Timing range: 0.0s～9999.9s

7. Timing accuracy: not more than ±0.05% in 60 min

8. Sample quantity: 4 piece at the same time

9. Stirring motor: 6 W, 1200 RPM

10. Operation environment:

(1) Ambient temperature: -10°C～35°C

(2) Relative humidity: ≤85％

11. Temperature sensor: Industrial platinum, Pt100

Precise, Automated Kinematic Viscosity Measurement with the Petroleum Products Kinematic Viscosity Tester DKV-503

Ensure accurate characterization of fluid flow behavior in oils, fuels, and lubricants with the Petroleum Products Kinematic Viscosity Tester DKV-503—a fully automated, multi-bath viscometer engineered for compliance with ASTM D445, ISO 3104, IP 71, and GB/T 265 standards. Designed for refineries, lubricant manufacturers, and quality control laboratories, the DKV-503 delivers high-throughput, operator-independent viscosity results critical for product specification, blending, and performance validation.

Engineered for High-Accuracy, Multi-Temperature Testing

The DKV-503 Kinematic Viscosity Tester uses precision glass capillary viscometers (e.g., Ubbelohde or Cannon-Fenske types) housed in up to two independent thermostatic baths (typically covering 20°C, 40°C, 50°C, 80°C, and 100°C). An advanced optical sensor system automatically detects meniscus movement through the capillary, calculating flow time and kinematic viscosity in mm²/s (cSt) with ±0.1% repeatability—eliminating human timing errors and enhancing lab efficiency.

Full Compliance with ASTM D445 & ISO 3104 – Validated for transparent and opaque petroleum liquids.
Dual Independent Baths (Optional) – Run two temperatures simultaneously (e.g., 40°C and 100°C) for VI calculation.
Automatic Flow Time Detection – High-resolution optical sensors ensure precise start/stop timing.
Temperature Stability: ±0.01°C – Advanced PID control with circulating pump for uniform bath conditions.
Supports Multiple Viscometer Sizes – Adaptable to common calibration ranges (0.5–10,000 cSt).
Touchscreen Interface & Data Management – Stores 500+ results; calculates viscosity index (VI); exports via USB to CSV or LIMS.

Trusted for Lubricant and Fuel Quality Assurance

Kinematic viscosity directly impacts engine protection, fuel atomization, and hydraulic efficiency. The DKV-503 enables labs to verify base oil quality, monitor additive performance, and ensure compliance with API, ACEA, OEM, and ISO specifications. Its automation reduces operator fatigue and supports ISO/IEC 17025 accreditation with full audit trails.

Whether you’re certifying engine oil for SAE grading or analyzing jet fuel flow properties, the Petroleum Products Kinematic Viscosity Tester DKV-503 delivers laboratory-grade accuracy—automatically, reliably, and efficiently.

Measure flow. Ensure performance. Guarantee compliance.