Digital Rotational Viscometer, 1 to 2000000 mPa·s

Digital rotational viscometer with 1-2000000 mPa·s measuring range and ±2% accuracy, is suitable for low and medium viscosity fluids. Digital viscometer has LCD display with resolution 0.01 mPa·s, easy to readout and is equipped with spindles 0#, 1#, 2#, 3#, 4# for under 10 mPa·s viscosity measurement.
SKU: SISCO-VISCO-8S
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$1,078.46
i h
Free shipping
Delivery date: 7-12 days
Overview


Digital rotational viscometer comes with 4 spindles of 1#, 2#, 3#, 4#, which provides accurate and fast measurement of 1~2,000,000 mPa·s, easy operation and direct readout of viscosity at power supply 110~230V 50Hz/60Hz. This rotary viscometer is suitable for a variety of industrial and laboratory applications.

Features

  • The digital rotational viscometer can measure the viscosity of a Newtonian liquid or the apparent viscosity of a non-Newtonian liquid.
  • Adopt the advanced micro-computer drive technology and stepper motor, accurate and stable rotating speed.
  • The horizontal display unit is at the front of the viscometer, convenient to adjust.
  • The measuring range and viscosity value can be accurately display with resolution of 0.01mPa·s.
  • With timing measurement function, it is practical for measuring the non-Newtonian liquid.
  • With automatic scanning, the viscometer can automatically recommend a preferred combination of rotor and speed.
  • The viscosity measurement range of the selected rotor and rotating speed is automatically displayed.
  • With the printing interface, a micro-printer can be connected to print various data.

Digital rotational viscometer

All metal lifting parts

  • Digital rotary viscometer has all-metal lifting parts, high stability, strong and durable. The operating knob is covered with rubber, which is comfortable and labor-saving.
  • Digital rotary viscometer uses a large number of high-quality aluminum-magnesium alloy, stainless steel and other materials, and is processed by high-precision processing equipment to ensure the reliability and accuracy of the whole machine.
  • The whole lifting column and rack part are made of pure copper, and cooperate with the high-precision gear components in the lifting slider to provide the host with a stable and smooth operating experience.
Expansion interface for digital rotational viscometer

Rich extension interface

The digital rotational viscometer has an external power supply, wide voltage input, which can be equipped with high-precision temperature sensor, PC data acquisition software, portable printer, etc.

Applications

sisco digital rotary viscometer is widely used in the manufacturing, scientific research institutes or laboratory for viscosity measurement of oils, greases, paints, coatings, pulp, textiles, food, pharmaceuticals, adhesives and cosmetics, etc.

Digital rotational viscometer applications

Specs
Model SISCO-NDJ-8S
Measuring Range 1* ~ 2,000,000 mPa·s
Rotating Speed (r/min) 0.3/0.6/1.5/3/6/12/30/60
Resolution 0.01 mPa·s
Rotor 1#, 2#, 3#, 4# (Standard, for measuring viscosity more than 10 mPa·s)
0# (Optional, for measuring the ultra-low viscosity less than 10 mPa·s)
Sample Consumption (1# , 2# , 3#, 4# ): 250-400mL
0#: 21mL
Measuring Accuracy ±2% (full range)
Repeatability ±0.5%
Display LCD display
Timing Measurement Function Yes
Auto Scanning Function Automatically recommending the optimal combination of the rotor and rotating speed according to the sample viscosity.
Measuring Range Display Function Automatically displaying the maximum viscosity value measurable for the selected rotor and speed combination.
Data Output Interface Yes
Power Supply 100-240V, 50/60Hz
Net Weight 7kg
Size 300*300*450mm
Standard Packing List Viscometer main machine
Rotor 1#, 2#, 3#, 4#
Rotor protective frame
Triangular base and column
Aluminum alloy carrying case
Power adapter
Optional Accessories Rotor 0#, Temperature probe, Software, Mini printer

Note: The rotor 0# is required when the measuring viscosity is lower than 10 mPa·s.

FAQs

Q1: What is a viscometer?
A1:
A viscometer is an instrument used to measure the viscosity of fluids (liquids and gases). Viscosity is a physical quantity that indicates the internal friction within the fluid when the fluid is flowing. It is the ability of the fluid to resist deformation. It is an important indicator used to identify some finished or semi-finished products. Viscosity varies from fluid to fluid and varies with temperature. There are mainly three types of capillary viscometers, rotational viscometers and falling ball viscometers.

Q2: What is the definition of viscosity?
A2: When a liquid is flowing, the property of internal friction between its molecules is called the viscosity of the liquid. The viscosity of the liquid is expressed by viscosity, which is a resistance factor used to characterize the properties of the liquid. The viscosity of insulating oil is the same as the viscosity of general liquid, that is, the internal friction of the liquid, that is, when the insulating oil moves relative to laminar flow under the action of external force. The properties of insulating oil molecules that generate internal frictional resistance. The greater the internal friction of the insulating oil, the greater the viscosity, the more difficult the flow, and the poorer heat dissipation performance.

Q3: What is a viscometer used for?
A3: Viscosity is an important physical parameter used to measure the ability of liquids to resist flow. Using a viscometer to measure the viscosity of a liquid is an important means of industrial process control, improving product quality, and saving and developing energy. It is closely related to the fields of petroleum, chemical, electric power, metallurgy and national defense. Status plays an important role.

Tips: What are the types of viscometers?

  • Capillary viscometer: A capillary viscometer is a common type of viscometer. Its working principle is that the sample container (including the outflow capillary) is filled with the sample to be tested and is in a constant temperature bath, and the height of the liquid column is h. Open the cock, the sample begins to flow to the liquid receiver, and the time is calculated until the sample liquid level reaches the mark. The more viscous the sample, the longer this period of time. Therefore, this time directly reflects the viscosity of the sample.
  • Rotational viscometer: A common rotational viscometer is the cone and plate viscometer. It mainly includes a flat plate and a cone plate. The motor drives the plate to rotate at a constant speed through the variable speed gear, and the sample to be tested is kept between the two plates by capillary action, and the friction between the sample molecules drives the cone to rotate. Under the action of the torsion spring in the torque detector, the cone and plate will not rotate after rotating a certain angle. At this time, the torque exerted by the torsion spring is related to the internal molecular friction of the sample under test: the greater the viscosity of the sample, the greater the torque. There is a variable capacitor in the torque detector, and its moving piece rotates with the cone and plate, thereby changing its own capacitance value. The torsion spring torque reflected by this capacitance change is the viscosity of the tested sample, which is displayed by the meter.
  • Vibration viscometer: The working principle of this viscometer is that when the object in the fluid vibrates, it will be hindered by the fluid, and the magnitude of this effect is related to the viscosity of the fluid. Commonly used vibrating viscometers are ultrasonic viscometers, which have a shrapnel in the detector. When excited by a pulsed current, the shrapnel produces mechanical vibrations in the ultrasonic range. When the shrapnel is immersed in the sample to be tested, the amplitude of the shrapnel is related to the viscosity and density of the sample. With a known density, the viscosity value can be derived from the measured amplitude data.
Warranty

Thank you for buying industrial test and measurement equipment on sisco.com, all products sold by sisco and the partner cover a 12 months warranty, effective from the date of receiving the products.


What is covered?

sisco is responsible for providing free spare parts, and free technical support to assist the customer to repair the defective products until the problem is solved.


What is not covered?

  • Product purchased from anyone other than a sisco store or a sisco authorized reseller.
  • Expendable parts.
  • Routine cleaning or normal cosmetic and mechanical wear.
  • Damage from misuse, abuse or neglect.
  • Damage from use of parts other than sisco approved.
  • Damage from use outside the product’s usage or storage parameters.
  • Damage from use of parts not sold by sisco.
  • Damage from modification or incorporation into other products.
  • Damage from repair or replacement of warranted parts by a service provider other than a sisco authorized service provider.
  • Damage caused by the application environment not meeting the product usage requirements and the failure to perform preventive maintenance.
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