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  • Rotational viscometer

    Model:NDJ-8S

    Brand:Jingxin

    Specifications

    Introduction:NDJ-8S viscometer can be widely used to determine solvent-based adhesives, latex, biochemical products, paints, coatings, cosmetics, inks, pulp, starch, food, etc.

     Working principle and purpose:

    NDJ-8S rotary viscometer, controlled by a single-chip microcomputer, is an intelligent instrument with data acquisition, processing and Chinese character display. The instrument controls the stepping motor to run accurately and steadily according to the set speed, and the rotor rotates through the floating ribbon. When the rotor is not subjected to resistance, the rotor and the motor rotate synchronously; when the rotor is subjected to the resistance of the measured liquid, the rotation of the rotor will lag behind the motor. When the tension of the balance spring is balanced with the liquid resistance, the opening angle of the rotor lagging behind the motor is fixed. By measuring the opening angle, according to the set speed and rotor, the instrument calculates the measured liquid viscosity and displays it on the LCD screen.

    Compared with similar instruments, the NDJ-8S rotational viscometer is not only easy to operate, stable speed, high measurement accuracy, and wide working voltage range, it also has an automatic search function, that is, it can search for the rotor and speed required for measuring unknown samples.

    NDJ-8S viscometer can be widely used to determine solvent-based adhesives, latex, biochemical products, paints, coatings, cosmetics, inks, pulp, starch, food, etc.


    technical parameter :

    Main parameters

    Parameter range

    Viscosity measurement range:

    10-2000000 mPa·S (NDJ-8S)

    Optional:

    1mPa·S  Optional No. 0 rotor, the lower limit of measurement can reach 1mPa·S

    Viscosity measurement accuracy:

    ±1%(full range)

    Reproducibility of viscosity measurement:

    ±0.5%(full range)

    Viscosity resolution:

    1mPa·S (Use No. 0 rotor with a resolution of 0.1 mPa·S)

    Standard rotor specifications:

    Four types of rotors, No. 1, 2, 3 and 4 (optional for No. 0 rotor)

    Rotating speed:

    0.3、0.6、1.5、3、6、12、30、60 RPM (NDJ-8S) eight gears

    Temperature measurement range:

    -50~99℃(Optional semiconductor temperature probe)

    Temperature measurement accuracy:

    ±0.5℃

    Temperature resolution:

    0.1℃

    Communication Interface:

    RS232C

    Communication baud rate:

    9600

    Dimensions:

    (Not including chassis)

    net weight::

     (Not including chassis)

    Environmental conditions for use:

    Ambient temperature: 5℃-35℃ (recommended use environment temperature 20℃)

    Relative humidity: ≤80%

    Power supply: AC100~240V (50/60Hz)

    There is no strong electromagnetic interference near the product, no violent vibration, no corrosive gas.


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