Overview
The NIRUN NDJ-5S + 0 rotor digital Viscometer is a precision measuring instrument using stepper motor direct drive and microcomputer control system. Its LCD liquid crystal display with blue backlight has a large amount of information, which can display the maximum measurable viscosity value of the rotor at the current speed, and has the functions of measurement timing and continuous display of viscosity value. It is suitable for the measurement of various fluid viscosity.
Features
1. Adopt stepper motor direct drive, gearless structure, accurate speed.
2. LCD LCD display with blue backlight, displaying a large amount of information.
3. The maximum viscosity value of the rotor can be measured at the current speed.
4. With measurement timing function.
5. The viscosity value shows continuous change.
6. Measurement range beyond the alarm sound prompt.
7. Computer full-scale linear correction.
8. The AC power adapter supports 100V-240V and has good anti-interference performance.
Principle
The Viscometer works on the principle of swirl/spin viscosity measurement. The instrument drives the rotor at a uniform speed swirl/spin in the sample through a stepper motor, and the Tack resistance to the rotor generates torque. The microcomputer control system measures this torque and calculates and continuously displays the viscosity value of the sample according to the relationship between the rotor specification, speed and torque, and is linearly corrected by the computer with full scale.
Applications
Inks, Glue, Latex, Solvent Adhesive, Polymer Solution, Petroleum, paints Coatings, solvents, cosmetics, milk products, products, juices
Steps
1. Choose the appropriate rotor and speed according to the estimated viscosity.
2. Attach the rotor to the instrument.
3. Pour the sample into a container with a capacity of approximately 300 to 400 ml.
4. Immerse the rotor into the sample at the specified mark.
5. Turn on the power and select the desired speed.
6. Start the measurement, the instrument will continuously display the viscosity value.
7. Record data after reaching the set time or reading stability.
8. Turn off the power after the measurement is completed and clean the rotor.
Notice
* Power supply voltage is within the range of AC100-240V before use.
* Choose the appropriate rotor and speed combination according to the sample viscosity to avoid exceeding the Measurement range (10~ 100000mPa · s).
* Immerse the rotor accurately to the marking to ensure measurement accuracy.
* During measurement, ensure that the sample temperature is stable, and use a special viscosity thermostatic sink if necessary.
* The instrument has an over-range alarm function, and the measurement conditions should be adjusted in time when the alarm is heard.
* Keep the rotor and measurement components clean to prevent residues from affecting the measurement results.
* Instrument reproducibility is +/- 0.5% F.S. Measurement accuracy is +/- 1% F.S.
* Optional accessories such as micro printers and RTD temperature probes can be used to expand the function.
