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Measurement range 10~ 100000mPa · s, equipped with four rotor and four speed combination. With automatic scanning function, can automatically select the appropriate rotor and speed, Measurement accuracy of +/- 2%, temperature accuracy of 0.1 ℃.
Category : Rotational Viscometer
Brand : XIONGFA
SKU : NB034347
Service :The delivery and service By NBCLab.Com
XIONGFA NDJ-5S digital rotational viscometer is a new digitalization instrument developed by monolithic microprocessor technology for measuring the Tack resistance of liquids and the absolute viscosity of liquids. Compared with similar instruments, it has the advantages of high Measurement accuracy, stable viscosity value display, easy reading, simple operation and good anti-interference performance. It is widely used in the determination of the viscosity of various fluids such as oils, paints, food, Adhesives and cosmetics. The instrument is executed and processed according to the general technical conditions of the laboratory rotational viscometer issued by the Ministry Standard JB/T 9357.
1. Measurement accuracy is high, viscosity value shows stable and easy to read. 2. Easy to operate, good anti-interference performance. 3. Equipped with automatic scanning function, it can automatically select the appropriate rotor number and speed. 4. Provide Chinese/English bilingual operation interface. 5. Equipped with a reading stability cursor (vertical bar square cursor), the reading is basically stable when the grid is full. 6. Measurement accuracy up to +/- 2% (Newtonian liquid). 7. Measurement accuracy is 0.1 ℃. 8. Equipped with RS232 communication port for two-way data communication with the computer.
The programmable motor drives the shaft to stabilize the swirl/spin according to the speed given by the program, and then drives the standard rotor swirl/spin through the torque Sensor. When the rotor swirl/spin in the liquid, due to the viscosity of the liquid, the rotor will be subjected to a torque proportional to the viscosity. The viscosity of the liquid can be obtained by measuring the torque Sensor. In order to expand the measurement range, the instrument is equipped with four standard rotors and four speed gears, and the viscosity in the range of 10mPa · s to 100000mPa · s can be measured through different combinations. There is a data memory inside the instrument, which stores the range, default rotor, speed, various coefficients and test data. The microcontroller controls the motor speed according to the user's choice.
Oils, paints, food, Adhesives, cosmetics
JB/T 9357
1. Install the bracket and the pillar, and tighten the pillar on the bracket. 2. Install the Viscometer lifting device on the pillar and adjust the loose screws to fit. 3. Loosen the protective cap screw at the lower end of the product and remove the yellow protective cap. 4. Observe the horizontal bubble and adjust the horizontal adjustment screw at the lower part of the bracket to center the bubble. 5. Connect the power cord. 6. Estimate the approximate viscosity of the measured liquid, and select the appropriate rotor and speed through the up, down, left and right keys of the instrument panel. 7. Install the rotor and press Enter to start the measurement. 8. After use, clean the rotor promptly and place it properly.
• This instrument is suitable for use at room temperature, and the temperature of the tested sample should be within +/- 0.1 ° C, otherwise it will seriously affect the measurement Precision. • The instrument needs to be used within the specified voltage and frequency (AC 220V +/- 10%, 50Hz +/- 10%) and the allowable error range, otherwise it will affect the Measurement accuracy. • Be careful when loading and unloading the rotor, lift the connecting screw slightly, do not use too much force, and do not force the rotor laterally to avoid bending the rotor. • Do not place the instrument sideways or upside down after installing the rotor. The connecting face and thread of connecting screw and rotor should be kept clean, otherwise it will affect the correct connection and rotation Stability of rotor. • The instrument should be held by hand when lifting to prevent the instrument from falling under its own weight. After each use, the rotor should be cleaned in time (rotor cleaning should not be carried out on the instrument). After cleaning, it should be properly placed in the rotor box. • Do not "swirl/spin" without liquid after installing the rotor to avoid damaging the shaft tip. • Do not disassemble or adjust the instrument parts at will, and do not add lubricating oil by yourself. • When the instrument is moved and transported, a yellow protective cap should be put on, the connecting screw should be lifted, and the screws on the cap should be tightened. • For non-Newtonian liquids (such as suspensions, emulsions, polymers, etc.), the apparent viscosity value will change with shear speed and time. It is normal for the measurement results to be inconsistent under different rotors, speeds and times, not inaccurate instruments. Generally, the measurement of non-Newtonian liquids should specify the rotor, speed and time.
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[A] After-sales repair for overseas instruments is an unavoidable issue. Our repair terms stipulate that the sender is responsible for the shipping and insurance costs incurred for the repair. Repairs within the warranty period are free, while repair costs beyond the warranty period are determined based on the actual situation.
