Rotational Viscometer LBN-RV112 uses a coaxial center structure that requires only 8 to13 ml of sample, delivering fast response and precise temperature control for high-temperature viscosity testing. It offers PC-based calibration for improved accuracy and repeatability across the full measuring range. Equipped with an LCD display that shows results directly in English for easy operation. Integrated microcomputer control and a stable stepper motor ensure smooth speed and reliable test performance. Our Rotational Viscometer supports wide material testing, including oils, polymers, and coatings.
| Rotational Speed Range | 0.1 to 200 RPM (58 speed levels) |
| Temperature Control Range | RT+10℃ to 250℃ |
| Measurement Error | ±2% (Newtonian fluid) |
| Repetitive Error | ±1% (Newtonian fluid) |
| Standard Rotor | 21#, 27#, 28#, 29# |
| Rotor – Measurement Range |
21#: 25 to 500K mPa·s 27#: 125 to 2.5M mPa·s 28#: 250 to 5M mPa·s 29#: 500 to 10M mPa·s K=1000;M=1,000,000 |
| ULR: Rotor | Not applicable / Not provided in reference |
| Sample Size |
21#: 7.8 ml 27#: 11.3 ml 28#: 12.6 ml 29#: 11.5 ml |
| Display | Liquid crystal display |
| Maximum Measurement Range | Auto-display based on rotor & speed combination |
| Real-Time Display Viscosity Curve | Viscosity-time curve; Temperature-time curve |
| Memory | Stores 30 test programs + 30 measurement groups |
| Put a Seal On (Print Function) | Data & curves can be printed (printer optional) |
| Data Output Interface | Standard print interface (dedicated printer required) |
| Power Supply | Switching power supply (voltage fluctuations do not affect accuracy) |
| Dimension | 300 × 300 × 450 mm |
ULR PLUS Rotor with Water jacket
Thermal Printer
Calibrate silicone oil 400ml
RS232-USB cable
PC Software
Host - 1pc
Connecting rods -2 pieces
Base -1pc
Rotor (21,27,28,29#)-1pc
Controller -1pc
Heating furnace -1pc
Heating tubes -2 pieces
Heating tube rack -1pc
Clip -1pc
Power cord -2 pieces
Instruction Manual -1pc
Rotational Viscometer LBN-RV112 is used to measure the viscosity of oils, polymers, coatings, gels, and high-temperature materials in chemical, petrochemical, food, and research labs.
Rotational Viscometer LBN-RV112 is used to measure the viscosity of oils, polymers, coatings, gels, and high-temperature materials in chemical, petrochemical, food, and research labs.
Most Frequently Asked Questions
1. What are Rotational Viscometers used for?
Ans. Rotational Viscometers are used to measure fluid viscosity accurately in laboratory and industrial testing applications.
2. How do Rotational Viscometers measure viscosity?
Ans. Rotational Viscometers use advanced spindle rotation to assess fluid resistance with precise and repeatable results.
3. Do Rotational Viscometers provide consistent measurement conditions?
Ans. Rotational Viscometers feature integrated temperature control to maintain stable sample conditions during testing.
4. Are Rotational Viscometers easy to operate?
Ans. Rotational Viscometers include user-friendly controls that allow smooth and efficient laboratory operation.
5. How reliable are Rotational Viscometers for routine testing?
Ans. Rotational Viscometers are designed to deliver reliable and consistent performance across repeated viscosity tests.
6. Where are Rotational Viscometers commonly used?
Ans. Rotational Viscometers are commonly used in industrial, chemical, and pharmaceutical viscosity measurement applications.
Rotational Viscometer LBN-RV112 uses a coaxial center structure that requires only 8 to13 ml of sample, delivering fast response and precise temperature control for high-temperature viscosity testing. It offers PC-based calibration for improved accuracy and repeatability across the full measuring range. Equipped with an LCD display that shows results directly in English for easy operation. Integrated microcomputer control and a stable stepper motor ensure smooth speed and reliable test performance. Our Rotational Viscometer supports wide material testing, including oils, polymers, and coatings.