The instrument adopts microcomputer technology, which can easily set the range (rotor number and speed), digitally process the data detected by the sensor, and clearly display the rotor number, speed, and measured value set during measurement on the display screen. The viscosity value of the liquid and its full scale percentage value, etc.
NDJ-5S is equipped with 4 rotors (No. 1, 2, 3, 4) and 4 speeds (6, 12, 30, 60 r/min). The 16 combinations formed from this can measure the Viscosities of various liquids.
Viscometer NDJ can be widely used to measure the viscosity of various fluids such as oil, paint, medicine, food, paint, detergent, etc.
The instrument is driven by an imported Japanese synchronous motor through variable speed to rotate the rotor at a constant speed. When the rotor rotates in the liquid, the liquid will generate a viscous moment acting on the rotor, and the viscous moment will be larger; conversely, the smaller the viscosity of the liquid, the smaller the viscous moment. The viscous moment acting on the rotor is determined by The sensor detects it, and after computer processing, the viscosity of the measured liquid is obtained.
LIST | VALUE |
---|---|
Measuring range | 1~1×100000mPa.s |
Rotor Specifications | 1 #, 2 #, 3 #, 4 #(0 #optional) |
Rotor velocity | 6/12/30/60rpm |
Automatic scan function | Automatically select the appropriate rotor number and speed |
Operating language | Chinese/English |
Read stable cursor | When the vertical bar and square cursor are full, the display reading is basically stable |
Measurement accuracy | ±2% |
Power | AC 220V ± 10% 50Hz ± 10% |
Allowable Operating Temperature | 5~35℃ |
Dimensions | 370*325*280mm |
Weight | 6.8kg |
Allowable relative humidity | ≤80% |
The instrument adopts professional mechanical design technology, manufacturing process and microcomputer control technology, and the data is collected correctly; the display adopts a blue backlight, high-brightness LCD display screen, and the data display is clear. This instrument has the characteristics of high measurement sensitivity, reliable test results, convenient use and operation, and beautiful appearance. It is an instrument used to measure the absolute viscosity of Newtonian liquids and the apparent viscosity of non-Newtonian liquids.
NDJ-8S is equipped with 4 rotors (No. 1, 2, 3, 4) and 8 gear speeds (0.3, 0.6, 1.5, 3, 6, 12, 30, 60 rpm), and there are 32 combinations , can measure the viscosity of various liquids within the determination range.
The instrument is driven by an imported Japanese synchronous motor through variable speed to rotate the rotor at a constant speed. When the rotor rotates in the liquid, the liquid will generate a viscous moment acting on the rotor, and the viscous moment will be larger; conversely, the smaller the viscosity of the liquid, the smaller the viscous moment. The viscous moment acting on the rotor is determined by The sensor detects it, and after computer processing, the viscosity of the measured liquid is obtained.
LIST | VALUE |
---|---|
Measuring range | 1~2×1000000mPa.s |
Rotor Specifications | 1 #, 2 #, 3 #, 4 #(0 #optional) |
Rotor velocity | 0.3/0.6/1.5/3/6/12/30/60rpm |
Automatic scan function | Automatically select the appropriate rotor number and speed |
Operating language | Chinese/English |
Read stable cursor | When the vertical bar and square cursor are full, the display reading is basically stable |
Measurement accuracy | ±2% |
Power | AC 220V ± 10% 50Hz ± 10% |
Allowable Operating Temperature | 5~35℃ |
Dimensions | 370*325*280mm |
Weight | 6.8kg |
Allowable relative humidity | ≤80% |
The NDJ-1 rotational viscometer is suitable for determining the absolute viscosity and rheological properties of various liquids and semi-fluids. It is widely used to determine the viscosity of various fluids such as greases, paints, food, cosmetics, and adhesives.
NDJ-1 lifting system adopts helical rack/helical gear mode;
A universal joint is added to the interface connecting the rotor;
The variable speed gear is pressed with high wear-resistant and high-performance engineering plastics.
LIST | VALUE |
---|---|
Display | Pointer |
Measuring range | 1~1×100000mPa.s |
Rotor Specifications | 1 #, 2 #, 3 #, 4 #(0 #optional) |
Rotor velocity | 6/12/30/60rpm |
Measurement accuracy | ±5% |
Power | 220V ± 10V;50Hz |
Dimensions | 250*270*380mm |
Weight | 5.5kg |
Rotational viscometers are widely used in oil, paint, slurry, textile, food, drug, adhesive, cosmetics and other production industries and scientific research units. With the advantages of accurate, fast, intuitive and simple measurement, the instrument has been selected by customers in various industries.
Using 16-bit microcomputer processor as the core of stepping electric high subdivision drive, LCD backlight display, with stable speed, good accuracy, programmed design, easy operation, error alarm and other functions, the screen directly displays viscosity, speed, hundred Information such as submeter torque, rotor number, and temperature of the liquid to be measured. The instrument's full scale and linearity of each gear are all measured and corrected through the PC interface, and its measurement performance and functions have reached the professional level of the same type in China.
1. Large-screen backlit LCD display, which can display the normal information such as rotor number, speed, viscosity, torque percentage, sample temperature, etc., and can also display shear rate and shear stress;
2. With automatic scanning function, it can automatically suggest the best combination of rotor and speed to ensure the high precision of the test;
3. A variety of rotors can be used in one machine: ordinary rotors (1#, 2#, 3#, 4#); high-viscosity rotors (5#, 6#, 7#);
4. Using more professional accuracy calibration technology, the accuracy and linearity of each gear are all measured and corrected by an external computer with standard silicone oils of different viscosities. Ensure the high precision and accuracy of the instrument;
5. With over-range alarm function;
6. The temperature measurement probe can be selected to measure the temperature of the tested sample in real time. The temperature measurement range is 0~100℃, and the temperature measurement accuracy is 0.1℃;
7. With RS232 (or optional USB2.0) interface, connected to the computer;
8. Equipped with standard data processing software, it can record the change of viscosity with different shear rate, time and temperature in real time, which provides a good method for understanding the viscosity characteristics of non-Newtonian liquids.
LIST | VALUE |
---|---|
Display | digital display |
Measuring range | 0.1~100000mPa·s |
Rotor Specifications | 1#、2#、3#、4# |
Rotor velocity | 6/12/30/60rpm |
Measurement accuracy | ±2% |
peripheral interface | RS232 interface |
Dimensions | 300*300*450mm |
Operating language | Chinese |
Display information | Rotor Number, Speed, Viscosity, Torque Percentage, Specimen Temperature, Indicative Shear Rate and Shear Stress |
Viscometer NDJ-4 is suitable for measuring the viscosity and rheology of various fluids, and can determine the dynamic viscosity and structural viscosity of mineral oil, lubricating oil, adhesives, paints, fuels, inks, coatings, cosmetics, food, resins, etc., and is a satisfactory instrument for determining fluid viscosity in petrochemical products, daily chemicals, food, fuels, adhesives and other industries.
NDJ-2 lifting system adopts helical rack/helical gear mode;
A universal joint is added to the interface connecting the rotor;
The variable speed gear is pressed with high wear-resistant and high-performance engineering plastics.
LIST | VALUE |
---|---|
Display | Pointer |
Measuring range | 1~2×1000000mPa.s |
Rotor Specifications | 1 #, 2 #, 3 #, 4 #(0 #optional) |
Rotor velocity | 0.3/0.6/1.5/6/12/30/60rpm |
Power | 220V ± 10V;50Hz |
Dimensions | 250*270*380mm |
Weight | 6kg |
NDJ-9S is a Digital rotary viscometer which has been upgraded. This viscometer adopts advanced mechanical design technology, manufacturing process and micro computer control technology, make the data acquisition correct and the display adopts LCD with blue backlight and high brightness, make the displayed data clear.
NDJ-9S Digital rotary viscometer is used for determining the liquid viscose capacity and the absolute viscosity. Comparing with other similar products, this instrument has the following features:
l High measuring accuracy;
l Stable in measured display;
l Easy operation and read-out;
l Excellent in Anti- interference.
NDJ-9S has been widely used to determine and measure the liquid viscosity in many applications such as grease, painting, pharmacy and adhesives.
1. Main technical data
1) Measurement range: 10~1×105 mPa·s
2) Rotor types: 1#, 2#, 3# and 4# rotors; (You can determine viscosity as low as 0.1mPa.s with 0# rotor.)
3) Rotor velocity: 6 rpm, 12 rpm, 30 rpm, and 60 rpm(automatic)
4) Measurement error: ±5% (Newton liquid)
5) Power supply: 220V±10% 50z±10%
6) Ambient temperature: 5°C~ 35°C;Relative humidity: ≤80%
2. Working principle
This instrument is a rotary viscometer, rotor could be rotated constantly by the variable speed motor. Rotate the standard rotor, the rotors will subject to a torque moment proportional to liquid viscosity because of the liquid viscose hysteresis. The torque moment will be measured by the sensors and processed into the viscosity and shown on the display.
This instrument adopts micro computer technology, range (rotor number and speed) can be set and the data determined by sensor can be processed conveniently, and the rotor number、speed、viscosity etc. can be displayed clearly on LCD.
The instrument was designed and manufactured with 4 rotors (1#, 2#, 3#, 4#) and 4 different velocity (6 rpm, 12 rpm, 30 rpm, and 60 rpm), which enable it to measure any viscosity value in the given range.
The RVDV-1 viscometer is widely used for measuring the viscosity of ink, paint, coatings, oils, greases, dairy products, juice, cream, starch paste, chocolate, chemicals, cosmetics, adhesives, biological fluids, latex, pharmaceuticals, photoresists, polymer solutions, rubber solutions, solvents, asphalt, ceramic slurry, pulp, plastic sol, surface coatings, and more.
With its high measurement accuracy, excellent repeatability, comprehensive functions, and user-friendly operation, the instrument has become a preferred choice across various industries.
Features:
The RVDV series digital rotational viscometer is a microprocessor-controlled intelligent instrument capable of data acquisition and processing.
Easy to operate, stable rotation speed, and wide operating voltage range.
Full-range linear calibration using a computer ensures high measurement accuracy.
Equipped with a scanning function that automatically searches for the optimal rotor and speed combination for unknown samples.
Built-in memory function retains the last used parameters before shutdown for user convenience.
This viscometer is ideal for measuring the viscosity of solvent-based adhesives, latex, biochemical products, paints, coatings, cosmetics, ink, pulp, starch, food, and more.
Item | Specification |
---|---|
Display Mode | Backlit LCD, digital display |
Rotational Speeds (r/min) | 0.3, 0.6, 1.5, 3, 6, 12, 30, 60 0.5, 1, 2, 2.5, 4, 5, 10, 20, 50, 100 (18 speed settings total) |
Standard Rotors | #2, #3, #4, #5, #6, #7 (included) |
Low Viscosity Rotor | #1 (optional) |
Measuring Range (mPa·s) | 300 – 13,000,000 (with rotors #2–#7) 10 mPa·s (with optional rotor #1) |
Measurement Accuracy | ±1% (Newtonian fluids) |
Repeatability | ±0.2% (Newtonian fluids) |
Auto Scanning Function | Available |
Temperature Probe | Included |
Temperature Control Unit | Optional |
Data Output Interface | Available |
Data Processing Software | Optional |
Dimensions (mm) | 300 × 300 × 450 |