RV-NDJ-1F Asphalt Brookfield Rotational Viscometer, Viscosity Meter, Heating Type
Product Introduction
The RV-NDJ-1F Asphalt Brookfield Rotational Viscometer is designed and manufactured in accordance with T 0625-2011 "Asphalt Brookfield Rotational Viscosity Test (Brookfield Viscometer Method)" from the Industry Standard of People's Republic of China JTG E20-2011 Specification and Test Methods of Bitumen and Bituminous Mixture for Highway Engineering. This instrument is suitable for determining the absolute viscosity of Newtonian liquids and apparent viscosity of Non-Newtonian liquids, making it widely applicable for viscosity measurement of asphalt, hot melt adhesive, paraffin, high polymers, and various fluids.
Main Technical Features
- Advanced mechanical design technology and manufacturing process with micro-computer technology for speed control, data collection, and processing
- Accurate data acquisition, high sensitivity, reliable test results, user-friendly operation, and attractive design
- White backlight LCD display with high brightness, directly showing sample viscosity, rotor number, speed, and other information
- Real-time test data display with printer output capability and RS232 communication port for PC connectivity
- Multiple model options with different ranges for measuring various sample types
Main Technical Specifications
- Measurement range: 25 mPa•s ~ 1×10⁷ mPa•s (extends to 2×10⁷ mPa•s with optional No.30 spindle)
- Rotor specifications: No.21, 27, 28 and 29 (4 spindles total, No.30 spindle optional)
- Rotor speed: (0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200) r/min
- Measurement error: ±1% (F•S); ±3% (F•S) with No.30 spindle
- Temperature control range: 45°C ~ 200°C
- Temperature control accuracy: ±0.1°C
- Sample cylinder: 20 ml
- Print output: Needle printer
- PC communication: RS232 interface
- Power supply: AC 220V±10%, 50 Hz
- Ambient temperature: 5°C ~ 35°C (when controlling temperature is close to ambient temperature, run air conditioner to maintain 5°C lower than controlling temperature)
- Relative humidity: ≤80%