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In order to obtain the Best Lab Viscometers (2021), our powerful platforms and experts have taken many criteria into account such as product fitness for use, features that meet buyers needs and give buyer satisfaction, deficiency-free, conformity of standards, quality/price ratio, reliability, level of design standards, quality conformance to user requirements and regulations, safety, actual user satisfaction and lots of others. It is worth to note that each user has different needs so please use the list below as a guide and not as a gospel. Nevertheless, in the below list you can certainly find the overall best ones despite your needs.

Our powerful platforms and specialist hi-tech gurus work hard to identify the best product choices. We strongly believe that our review rankings can help you simplify your purchase decision and select among the absolute Best Lab Viscometers (2021).

Best Lab Viscometers

Best Choice No. 1
SHengwin Rotary Viscometer 1~2000000mPa.s Viscosity Fluidimeter Tester Meter Lab Digital Viscometers NDJ-8S 110-240V
  • 【Good Performance】The Digital Display Viscometer has the high sensitivity, good anti-interference performance, microcomputer control technology, accurate data collection and reliable test results.
  • 【Digital Display】The display screen clearly shows the rotor number, rotational speed, the viscosity value of the measured liquid and its full percentage value.
  • 【Easy Adjustment】Equipped with a level device on the top, leveling is more convenient and intuitive; horizontal knobs at the bottom for easy adjustment and stable operation; the lifting hand wheel is easy to adjust and not easy to get slipped.
  • 【High Accuracy】It equipped with four kinds of rotos(#1,#2,#3,#4), has 8 rotating speed(0.3rpm, 0.6rpm, 1.5rpm, 3rpm, 6rpm, 12rpm, 30rpm, 60rpm), the viscosities of various liquids in the range of measurement can be measured.
  • 【Widely Applications】This Rotary Viscometer can be widely used in fluid and semi-fluid production industries and scientific research units for measuring the viscosity of newtonian liquid, oil, paste, paints, coatings, plastic, grease, slurry, cosmetics, etc.
Best Choice No. 2
CGOLDENWALL NDJ-5S Digital Rotational Viscosity Meter Viscometer Rotary visometer 110V 10~100,000mPa.s Accuracy:+-3.0%
  • High Measuring Accuracy: Measurement range: 10mPa.S-100,000mPa.S(1mPa.S=1cp) Measurement error:±3%, with 4 rotors (No. 1, 2, 3, and 4) and 4 speeds (6, 12, 30, 60 rpm), which are composed of 16 combinations. You can determine viscosity as low as 1mPa.s with 0# rotor. Following is the product link of the NDJ-5S Viscosity Meter With 0# rotor ,the Measurement range is 1~100,000mPa.s : https://www.amazon.com/dp/B08N4RCZK9
  • Microcomputer Control Technology: Adopts advanced mechanical design, manufacturing technology and microcomputer control technology
  • LCD Digital Display: Has perfect data acquisition and the LCD monitor display selected blue backlit with high brightness so that it can show the results more clearly.
  • Reliable and Easy to use: Has a measurement of high sensitivity, so the test results are reliable, and also, the operation is very easy.
  • Application: It can be used to measure the absolute viscosity of the Newtonian liquids and the apparent viscosity of the Non-Newtonian liquid. Also can be widely used in the tests the viscosity of the oil, paint, plastics, paints, detergents, drugs, jewelry and other objects.
Best Choice No. 3
GLTL Paint-4 Liquid Viscosity Test Tool w/Viscometer Flow Cup Viscometer Ford Cup 4# Flow Viscosity Cup Liquid Flow Meter Liquid Viscosity Tester with Base
  • ★It is made of relevant standards-ASTM D1200-2010《 Standard Test Method for Viscosity by Ford Viscosity Cup》
  • –The correction coefficient K value is the time after the filling of the viscosity cup with the secondary standard oil under the set temperature conditions (such as 20 °C ± 0.1 °C), the flow time should be in the range of 30s ~ 100s, the K value should be 1 ± Within 0.03 range. The viscometer should be periodically calibrated to the extent of its frequency of use.
  • ★ 4 Viscosity Cup belongs to laboratory, workshop, control and test instruments. The measured viscosity is conditional viscosity. Namely: a certain amount of sample, at a certain temperature, from the prescribed diameter of the hole flow out of time.
Best Choice No. 4
BAOSHISHAN NO.3 Zahn Cup Viscosity Cup #3 Dip Type 44ml Stainless Steel Viscometer Flow Cup for Paint Finishes Oil
  • 👉 Volume of cup: 44ml, Efflux time(sec): 20-80S
  • 👉 Range of measurment: 10-800 centistokes (cSt)
  • 👉 Meets ASTM D4212 standard quickly measure the viscosity of liquids such as Paint,Ink,Varnishes,Syrup and Oil.
  • 👉 The Stainless Steel Cups are molded precisely and the orifices are precision drilled using high-speed CNC drilling.
  • 👉 Boshi Electronic Instrument is a professional seller of paint testing instruments. We have so many instruments can be used to measure the viscosity, fineness, abrasion resistance, density and adhesion of paint and ink or other non-Newtonian liquids
Best Choice No. 5
KUNHEWUHUA NDJ-9S Digital Rotary Viscometer Viscosity Meter Tester 10~6,000,000 mpa.s Accuracy ±2%
  • 1. Measurement range: 10-6,000,000 mPas. Accuracy: ±2%. Rotor specifications: #1, #2, #3, #4 is standard configuration.
  • 2. There is an auto-search function to help you choose the right rotor modle according to the viscosity of your sample liquid.
  • 3. If you need data transfer function, please contact us before you order it, we need to add some software into the machine.
  • 4. It is widely used in fluids, semi-fluid production industries and scientific research units such as oils, paints, coatings, slurries, textiles, food, pharmaceuticals, adhesives, cosmetics.
Best Choice No. 6
GLTL Zahn Immersion Viscosity Cup Viscometer 44ml Cup Volume (1#/2#/3#/4#/5#) for Test The Viscosity of Newtonian or Approximate Newtonian Liquid (1#+2#+3#+4#+5#)
  • 1.According to ASTM D 4212 (Standard Test Method for Viscosity Cup Immersion)standards
  • 2.Quickly measures the viscosity of liquids such as paint, lacquer, varnish, syrup and oil.
  • 3.Viscosity is expressed in Zahn seconds which are correlated to viscosity in centistokes
  • 4.Mainly in order to maintain the stability of the viscosity of the product in the process of use, so that the viscosity is always maintained at the set range to protect the color of the product effect.
Best Choice No. 7
Cannon Cannon-Fenske Routine Calibrated Viscometers, Size 100
  • For measurement of kinematic viscosity of transparent Newtonian liquids, particularly petroleum products or lubricants
  • Meets ASTM D 445 and ISO 3104 requirements
  • Specifications conform to ASTM D 446 and ISO 3105
  • Precision: ±0.2%
SaleBest Choice No. 8
CSC Scientific 24925000 Bostwick Consistometer
  • Measures the distance a material flows under its own weight during a given time interval to determine consistency
  • Trough graduated on 0. 5 cm divisions to permit precise measurement of flow
  • Enables user to predetermine formulas to standardize production lots
  • Made of durable stainless steel and equipped with a level and two leveling screws
  • Spring-operated gate is held by a positive-release mechanism permitting instantaneous flow of sample
SaleBest Choice No. 9
Cannon Cannon-Fenske Routine Calibrated Viscometers, Size 150
  • For measurement of kinematic viscosity of transparent Newtonian liquids, particularly petroleum products or lubricants
  • Meets ASTM D 445 and ISO 3104 requirements
  • Specifications conform to ASTM D 446 and ISO 3105
  • Precision: ±0.2%
Best Choice No. 10
Cannon 9721-B53 Viscometer, Universal Size 50
  • Product Type :Lab Supply
  • Package Dimensions :13.0 ” L X3.0 ” W X2.0 ” H
  • Country Of Origin :United States
  • Package Quantity :1

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