Overview
The NIRUN NDJ-8S + RTD Digital Viscometer is a High Accuracy, versatile viscosity measurement instrument. It uses patented technology implementation of single-turn multiple sampling, high subdivision drive stepper motor to ensure accurate and smooth speed, and optional RTD temperature probe to monitor sample temperature in real time, suitable for accurate measurement of various fluid viscosity.
Features
1. Adopt patented technology to realize single-turn multiple sampling and overcome traditional drawbacks.
2. High-subdivision drive stepper motor, accurate and stable speed, not affected by AC voltage frequency changes.
3. With timing function, good conformity data can be obtained for thixotropic non-Newtonian liquids.
4. Stepper motor direct drive, no noise, easy to change, speed display clearly, Reliability, no jitter.
5. LCD liquid crystal with blue backlight, directly display viscosity, speed, percentile torque, rotor at the current speed of the maximum viscosity value can be measured, viscosity value continuous change display, beyond the Measurement range sound and light alarm prompt.
6. Computer full scale linear correction, Measurement accuracy is +/- 1.0% of full scale.
7. Adopt switching power adapter, wide power input, good anti-interference.
8. Optional RTD temperature probe to monitor sample temperature in real time.
9. Optional RS232 interface, connect the micro printer to print measurement data in real time, saving labor.
Principle
The instrument drives a high-subdivision stepper motor through a microcomputer control system to drive the rotor to swirl/spin at a uniform speed in the sample. The Tack resistance (torque) received by the rotor is converted into an electrical signal by the Sensor (such as beryllium bronze torque material), and the viscosity value is directly displayed on the LCD screen after the computer full-scale linear correction. The optional RTD temperature probe can monitor the sample temperature synchronously.
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 combination according to the estimated viscosity value.
2. Connect the rotor to the instrument and immerse the sample to be tested to the designated marking line.
3. Turn on the power and set the required speed through the instrument panel.
4. Start the measurement, the instrument will automatically drive the rotor swirl/spin and start continuous data acquisition.
5. Observe the LCD display and record the measurement results after the viscosity reading stabilizes.
6. After the measurement is completed, turn off the instrument and clean the rotor.
Notice
Please ensure that the instrument is placed horizontally before use.
* Select the appropriate rotor and speed according to the estimated viscosity of the sample to avoid exceeding the Measurement range.
When the rotor is immersed in the sample, it must reach the designated marking line and ensure that the rotor is centered to avoid touching the container wall and bottom.
* If an alarm appears during the measurement process, it indicates that the current range may be exceeded, and the rotor needs to be replaced or the speed needs to be adjusted.
* Keep the rotor and instrument connection parts clean, and clean them in time after measurement.
* Optional accessories (such as RTD temperature probes, micro printers) need to be connected and used according to the corresponding instructions.
* The instrument should be stored in a drying, non-corrosive gas environment.
