• Working principle and purpose

NDJ-5(8)（9）SBRotating digital display viscometer,Adopting microcontroller control, it is an intelligent instrument with data acquisition, processing, and Chinese character display. The instrument controls the stepper motor to operate accurately and smoothly according to the set speed, and drives the rotor to rotate through the balance spring. When the rotor is not subjected to resistance, it rotates synchronously with the motor; When the rotor is subjected to the resistance of the measured liquid, its rotation will lag behind that of the motor. When the tension of the balance spring reaches equilibrium with the resistance of the liquid, the angle of the rotor lagging behind the motor is fixed. By measuring the angle of rotation, according to the set speed and rotor,The instrument calculates the viscosity of the measured liquid and displays it on the LCD screen.

Compared with similar instruments,NDJ-5(8)SBThe viscometer is not only easy to operate, with stable rotational speed, high measurement accuracy, and a wide working voltage range, but also has an automatic search function, which can search for the best rotor and rotational speed required for measuring unknown samples. sure.

NDJ-5(8)SBViscometer. It can be widely used to determine solvent based adhesives, latex, biochemical products, paints, coatings, cosmetics, inks, pulp, starch, food, etc.

• Specification

Viscosity measurement range:10-100000 mPa·S (NDJ-5S)

10-2000000 mPa·S (NDJ-8S)

10-6000000 mPa·S (NDJ-9S)

Optional0Number rotor, measurement lower limit can be reached1 mPa·S

Viscosity measurement accuracy: ±3%(full scale)

Reproducibility of viscosity measurement: ±0.5%(full scale)

Viscosity resolution:1 mPa·S (use0The rotor has a resolution of0.1 mPa·S)

Standard rotor specifications:1、2、3、4Four types of rotors（0Number rotor optional parts)

Speed:6、12、30、60change/divide(NDJ-5S)Four levels

0.3、0.6、1.5、3、6、12、30、60change/divide(NDJ-8S)Eight levels

0.1、0.3、0.6、1.5、3、6、12、30、60change/divide(NDJ-9S)Nine levels

Temperature measurement range:-50~99℃(Optional semiconductor temperature probe)

Temperature measurement accuracy: ±0.5℃

Temperature resolution: 0.1℃

External dimensions:95*130*155(Excluding chassis)

Net weight:2kg(Excluding chassis)