Best Lab Viscometers in 2026

Daisy
Last Updated: Feb 7, 2026

At a Glance: Our Top Picks for Lab Viscometers

BAOSHISHAN NO.2 Zahn Cup Viscosity Cup #2 Dip Type 44ml Stainless Steel Viscometer Flow Cup for Paint Finishes Oil
#TOP1
Baoshishan No.2 Zahn Cup Viscosity Cup #2 Dip
8.3
PM SCORE
BAOSHISHAN NO.3 Zahn Cup Viscosity Cup #3 Dip Type 44ml Stainless Steel Viscometer Flow Cup for Paint Finishes Oil Dye Sauce Honey
#TOP2
Baoshishan No.3 Zahn Cup Viscosity Cup #3 Dip
6.1
PM SCORE
Zahn Cup Immersion Viscosity Cup, Dip Type Stainless Steel Viscometers for Test The Viscosity of Newtonian or Approximate Newtonian Liquid (NO.3)
#TOP3
Zahn Cup Immersion Viscosity Cup, Dip Type Stainless
5.9
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Lab Viscometers of 2026

Market Overview
Lab Viscometers Reviewed
  • Reviews Analyzed: 244 Items
  • PM Avg. Rating: 3.6 / 10
19 Products Evaluated
  • Highest Price: $1,889.00
  • Lowest Price: $19.60
  • Avg. Price: $386.67

Baoshishan No.2 Zahn Cup Viscosity Cup #2 Dip Type 44Ml Stainless Steel Viscometer Flow Cup For Paint Finishes Oil

BAOSHISHAN
38-VIPT-41LU
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BAOSHISHAN 9.81

Features

Volume of cup: 44ml, Efflux time(sec): 20-80S

Range of measurment: 20-250 centistokes (cSt)

Meets with ASTMD 4212 standard for measuring viscosity using dip-type cups.

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.

#TOP2

Baoshishan No.3 Zahn Cup Viscosity Cup #3 Dip Type 44Ml Stainless Steel Viscometer Flow Cup For Paint Finishes Oil Dye Sauce Honey

BAOSHISHAN
M-497
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BAOSHISHAN 9.81

Features

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.

BAOSHISHAN Zahn Cups with solid construction are used to measure the flow behavior of liquids such as paints. Applicable to the construction site to quickly measure the viscosity of the paint to be sprayed; more widely used in electronic products, plastic coatings industry, home made sauce, hydraulic oil and liquid viscosity in lab.

#TOP3

Zahn Cup Immersion Viscosity Cup, Dip Type Stainless Steel Viscometers For Test The Viscosity Of Newtonian Or Approximate Newtonian Liquid (No.3)

MAGSOAR
ZAHN CUP
0.17 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Magsoar 5.85

Features

【Precise & Credible】 The Stainless Steel Cup is made by precise mold, and the orifice is drilled using precise high-speed CNC. It's calibrated against National Institute of Standards and Technology (NIST). Therefore, you will get accurate and believable measurements with this Zahn Cup.

【Durable Viscosity Cup】Our dip viscosity cups are made of premium 304 stainless steel, corrosion-resistant and solvent-resistant, thickened cup and bottom, polished surface and smooth inside, easy to clean.

【Easy to Use】Stainless steel body with 12 inches loop handle for hand-dipping into liquid container, finger-ring is easy to maintain the cup in a vertical position during use. Clear nameplate number is convenient to distinguish various models at a glance.

【Light & Portable】The nominal capacity of the cup is 44 ml, only 79grams, very light and portable, it’s easy to carry to laboratory, factory, workshop or field etc. You could quickly check and adjust the viscosity of liquids in anywhere.

【Wide Application】 Magsoar Zahn cup is widely used in the paint industry, ideal for measure the viscosity of Newtonian or near-Newtonian liquids, such as paint, ink, dye, lacquers, varnishes, syrup and oil.

#TOP4

Baoshishan No.5 Zahn Cup Viscosity Cup #5 Dip Type 44Ml Stainless Steel Viscometer Flow Cup For Paint Finishes Oil

BAOSHISHAN
BAOSHISHAN
3.15 X 1.57 X 7.87 Inches
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BAOSHISHAN 9.81

Features

Volume of cup: 44ml, Efflux time(sec): 20-80S

Range of measurment: 40-1800 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.

BAOSHISHAN Zahn Cups with solid construction are used to measure the flow behavior of liquids such as paints. Applicable to the construction site to quickly measure the viscosity of the paint to be sprayed; more widely used in electronic products, plastic coatings industry, home made sauce, hydraulic oil and liquid viscosity in lab.

#TOP5

Cgoldenwall Ndj-5S Rotary Visometer Digital Rotational Viscosity Meter Lab Viscometers 110-240V 10-100,000Mpa.s Accuracy:±3.0% (Old Or New Panel)

CGOLDENWALL
CNA-232B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cgoldenwall Store 9.81

Features

High Measuring Accuracy: Measurement range: 1mPa.S-100,000mPa.S (1mPa.S=1cp) Measurement error:±3%, with 5 rotors (No. 0,1, 2, 3, and 4) and 4 speeds (6, 12, 30, 60 rpm), which are composed of 20 combinations. You can determine viscosity as low as 1mPa.s with 0# rotor. If you need Thermometer Probe, you can search B08CHFGVP5

Microcomputer Control Technology: Adopts advanced mechanical design, manufacturing technology and microcomputer control technology.This lab viscometers can be customized the data storage function. If you need output data to a computer, we will customize it for you.If you need calibration certificate, please also contact us

LCD Digital Display:Has perfect data acquisition,can display the number of rotors, speed, viscosity, percentage,and temperature at the same time; the LCD display uses high-brightness blue backlight to display 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.With automatic search function, when you don't know what rotor and speed to choose, it can quickly help you find the right rotor and speed

Application: This rotary viscometer 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.

Baoshishan Rotary Viscometer Viscosity Tester 10-100,000Mpa·s Fluidimeter Meter Newton Liquid Viscometer (Ndj-1)

BAOSHISHAN
M-51
7.87 X 7.48 X 14.17 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BAOSHISHAN 9.82

Features

[±5% ACCURACY] The viscometer uses a graduated disk, and the viscosity values are measured by moving the rotor rotation through the spinneret and spindle, has a large viscosity measurement range 10-100,000cps and the measurement error: ±5%, give your enough resolution to control my processes better.

[ROTORS x ROTATION RATE] Different rotors (1,2,3,4) can be selected according to the viscosity range of different test liquids, and different speed (60,30,12,6) can be set. The knob adjustment is straightforward with a coefficient table on the top for easy reference. You can unlock more unknown liquid viscosity.

[LIGHT WEIGHT BUT PRACTIALl] The rotary viscometer is light in weight, easy to move and operate flexibly. The helical gear lifting system effectively ensures that the viscometer can move up and down easily without sliding down by itself, which ensures the smooth progress of your experiment.

[APPLICATION] NDJ-1 has been widely used to determine and measure the liquid viscosity in many application such as grease, painting, plastic, pharmacy and adhesives. There are no limitations about the liquid, just put the rotor into the liquid and test it. But the liquid you measure should NOT exceed 80℃

[GOOD WARRANTY] Viscosity meter tester is a precison instrument to monitor and control the stable quality of products in the manufacturing.The whole set of instrument has good quakeproof packing to ensure the precision of instrument. We also offer a 1-year warranty. Buy at ease, use at ease.

#TOP7

Cannon Cannon-Fenske Routine Calibrated Viscometers, Size 350

CANNON INSTRUMENT
CFRC-350
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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%

#TOP8

Gelttulu Zahn Cup Immersion Viscosity Cup,#1 To #5 Dip Type 44Ml Stainless Steel Viscometer Flow Cup With Storage Rack For Paint, Ink, Dye, Lacquers, Food, Syrup,Oil(5 Pcs)

GELTTULU
1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Jiaxing Yiyang Trading Co., Ltd. 6.30

Features

Accurate & Credible : Meets ASTM D4212 standard, Our Zahn Cup quickly measures the viscosity of liquids such as paint, ink, dye, lacquers, food, syrup ,oil.

Durable & Anti-corrosion : Our immersion viscosity cups are made of premium SUS 304 stainless steel, thickened, high temperature welding, polished surface and smooth inside, not easy to deform, prolong service life.

Usage & Maintence : 1. Cleaning before testing, Wipe off moisture with a clean cleaning cloth before use. 2. Temperature control,Immerse the cup in the test solution for 1-5 minutes to allow the temperature of both to equilibrate.3. Vertical test, Lift the cup vertically from the solution, quickly and smoothly, within 150mm of the liquid surface. 4. Repeat the test, Operate 2 to 5 times and take the average of the results to reduce errors.

Portable & Storage : The Zahn Cup has a 12" ring handle for hand dipping into liquid containers, and the ring is easy to keep the cup in a vertical position during use. Equipped with a storage rack, making your work simple and efficient.

You Will Get: Zahn cup set (#1, #2, #3, #4, #5), 1 x storage rack, Volume of cup: 44ml, Efflux time(sec): 20-80sec. You can quickly check and adjust the viscosity of liquids anywhere in the lab, factory, workshop or field.

#TOP9

Baoshishan No.1 Zahn Cup Viscosity Cup #1 Dip Type 44Ml Stainless Steel Viscometer Flow Cup For Paint Finishes Oil Dye Sauce Honey

BAOSHISHAN
FBA-17
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BAOSHISHAN 9.82

Features

Volume of cup: 44ml, Efflux time(sec): 35-80sec

Range of measurment: 5-60 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.

BAOSHISHAN Zahn Cups with solid construction are used to measure the flow behavior of liquids such as paints. Applicable to the construction site to quickly measure the viscosity of the paint to be sprayed; more widely used in electronic products, plastic coatings industry, home made sauce, hydraulic oil and liquid viscosity in lab.

#TOP10

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

GLTL
54564651123
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GLTL 5.30

Features

★It is made of relevant standards-ASTM D1200-2010《 Standard Test Method for Viscosity by Ford Viscosity Cup》

★The correction coefficient value “K” 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.

Baoshishan Zahn Cup Viscosity Cup Kit #1 To #5 Dip Type 44Ml Stainless Steel Viscometer Flow Cup With Bracket And Brush

BAOSHISHAN
FBA-CJH-ZQ-855
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BAOSHISHAN 9.81

Features

Viscosity Cup Kit: 44ml Cups (#1/#2/#3/#4/#5) with Bracket and Brush.

All 5 models, test viscosity from 5-1800 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.

BAOSHISHAN Zahn Cups with solid construction are used to measure the flow behavior of liquids such as paints. Applicable to the construction site to quickly measure the viscosity of the paint to be sprayed; more widely used in electronic products, plastic coatings industry, home made sauce, hydraulic oil and liquid viscosity in lab.

#TOP12

Cgoldenwall Ndj-5S Rotary Visometer Digital Rotational Viscosity Meter Lab Viscometers 110-240V 1-100,000Mpa.s Accuracy:±3.0% (With 0# Rotor)

CGOLDENWALL
CNA-1095
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cgoldenwall Store 9.81

Features

High Measuring Accuracy: Measurement range: 1mPa.S-100,000mPa.S (1mPa.S=1cp) Measurement error:±3%, with 5 rotors (No. 0,1, 2, 3, and 4) and 4 speeds (6, 12, 30, 60 rpm), which are composed of 20 combinations. You can determine viscosity as low as 1mPa.s with 0# rotor. If you need Thermometer Probe, you can search B08CHFGVP5

Microcomputer Control Technology: Adopts advanced mechanical design, manufacturing technology and microcomputer control technology.This lab viscometers can be customized the data storage function. If you need output data to a computer, we will customize it for you.If you need calibration certificate, please also contact us

LCD Digital Display:Has perfect data acquisition,can display the number of rotors, speed, viscosity, and percentage at the same time; the LCD display uses high-brightness blue backlight to display 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.With automatic search function, when you don't know what rotor and speed to choose, it can quickly help you find the right rotor and speed

Application: This rotary viscometer 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

U.s.solid Rotary Viscometer Viscosity Meter Lcd Display 1-100,000 Mpa

U.S. SOLID
USS-DVT4
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The highest quality shop 9.80

Features

Accurately tests the flow and thickness of fluid materials

LCD digital screenfor instant readings

Accurate, lightweight, easy to use, and portable

One Year Warranty

Measurement Range: 1-1 x 10^5 mPa.s

#TOP14

Cnyst Digital Lab Stormer Viscometer Viscosity Testing Equipment Machines Measuring For Paint Coating With 5 Inch Touch Screen Range 40.2Ku -141.0Ku/ 32G-1099G/ 27-5250Cp

CNYST
CNYST
11.81 X 11.81 X 17.72 Inches
24.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anhui east electronic 5.84

Features

◆ Stormer Viscometer: Touch screen viscometer is perfectly integrated with the touch screen technology, and the viscosity can be measured with a fashion, modern and high technology rapidly, accurately and directly.

◆ Control/Display mode: 5 inch colorful touch screen; Rotating speed: 200±0.1RPM/min

◆ Measurement accuracy: ±1%(full range); Measuring container:400ml

◆ Measurement accuracy: ±1%(full range); Measuring container:400ml

◆Various parameters and working conditions can be completely and directly displayed on the 5 inch ultra-large colorful touch screen. Various parameters can be measured, displayed and read directly in high accuracy, the instrument can be displayed conveniently.

#TOP15

Cnyst Lab Viscometer Liquid Viscosity Meter With Rtd Temperature Sensor 4 Spindles Code Measuring Range 20 To 100,000Mpa·s

CNYST
CNYST
13.23 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
anhui east electronic 5.84

Features

◆ Measuring Range(mPa·s): 20 ~ 100,000; Accuracy:±1% full scale range in use

◆ Number of Spindles: Spindles (Code L1,L2,L3,L4) are equipped with the product

◆ Rotating Speed(RPM): Four adjustable speed:6、12、30、60

◆ LCD screen display: The LCD screen can display the viscosity speed, torque,spindle and the maximum viscosity can be measured in the current spindle speed value

◆ The NDJ Digital Viscometers adapt 16 bit MCU as central control circuit have the following features: gearless driven ,LCD for information display and timer function selection.This model operates smoothly and measures accurately

#TOP16

Cgoldenwall Ndj-5S Digital Rotational Viscosity Meter Viscometer Rotary Visometer 100V-240V 1~1,000,000Mpa.s Accuracy:+-1.0% Reliable Quality

CGOLDENWALL
NDJ-5S ROTATIONAL VISCOSITY METER
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cgoldenwall Store 9.81

Features

Range(mPa.s):1-1000K

RPM: 6, 12, 30, 60

Spindles: #1, #2, #3, #4 is standard configuration, (#0 is for option)

Accuracy: ±1.0% of range

Repeatability: ±0.5%

#TOP17

Viscometer Adapter #0 Rotor Application For Ndj-5S Ndj-8S Ndj-9S Digital Rotary Viscometers

NDJ-8S
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Rebrisbol Store 5.36

Features

The viscometer adapter #0 rotor is mainly used to equip on the viscometer to measure the less than 15mpa.s low-viscosity newton liquid.

It is applied to rotary viscometer NDJ Series of NDJ-5S, NDJ-8S and NDJ-9S.

Cylindrical rotor can accurately calculate the shear rate, which is easy to analyze the product in detail.

It is made of 304 stainless steel material. Corrosion and acid resistant and performance stability. With its own box, easy to place and carry.

Less than 15mpa.s of liquid, please select #0 rotor without protective frame, the #0 rotor is installed on the connecting screw (counterclockwise rotation mounted).

#TOP18

Zahn Cup No. 2 Viscosity Cup #2 Viscometer 44Ml Dip Type Stainless Steel Flow Cup For Oil Dye Paint Finishes Honey Sauce

N\H
WFE34
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
sxyingzhongkeji 4.28

Features

Range of Measurment: 20-250 centistokes (CSt); Cup Volume: 44ml; Efflux time: 20-80s

Compliance with ASTMD 4212 standard for measuring viscosity using dip-type cup

Stainless Steel Cup molded precisely & Outflow hole precision drilled using high-speed CNC drilling

Balance Ring Buckle to ensure cup body to stay vertically during use

Fast determination of fluid viscosity, such as ink, paint and dye

#TOP19

Lab Rotational Rotary Viscometer Viscosity Tester Meter Fluidimeter Ndj-1

CANGLAN TECHNOLOGY
CANGLAN TECHNOLOGY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Canglan Technology 4.78

Features

Accurate measurements: The NDJ-1 viscometer uses a rotational method to measure viscosity, providing accurate and reliable results. It can measure viscosity within a range of 1-100,000 mPa.s.

Easy to use: The viscometer features an intuitive control panel and simple operation, making it easy to use even for those without extensive experience with viscosity testing equipment.

Versatile: The NDJ-1 viscometer can be used to measure the viscosity of a wide range of fluids, including oils, paints, adhesives, and more. It can also be used for quality control in industries such as food, cosmetics, and pharmaceuticals.

Compact and portable: The viscometer is compact and lightweight, making it easy to transport and use in a variety of settings. It also comes with a carrying case for added convenience.

Durable: The NDJ-1 viscometer is made of high-quality materials and is designed to withstand heavy use. It also has a long service life, reducing maintenance costs.

Top 10 lab viscometers Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Baoshishan 6
Cgoldenwall 3
Cnyst 2
1
Canglan Technology 1
Cannon Instrument 1
Gelttulu 1
Gltl 1
Magsoar 1
N\H 1

Top 10 lab viscometers Brands Pie Chart


We've carried out a comprehensive analysis of 244 reviews on lab viscometers, using our selection criteria to identify the best options in the test, measure & inspect. Our findings reveal that most customers typically select lab viscometers priced around $386.67, with top brands including bonvoisin, cgoldenwall, u.s. solid, magsoar, baoshishan, gelttulu, gltl, cannon instrument and n\h and canglan technology

Our team of expert editors reviewed these high-quality items and handpicked the top 19 lab viscometers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the test, measure & inspect category. These include bonvoisin us, cgoldenwall store, the highest quality shop, magsoar, baoshishan, jiaxing yiyang trading co., ltd., rebrisbol store, gltl and amazon.com and sxyingzhongkeji .

We are dedicated to assisting our users in finding the right viscometers Products based on their needs, saving them considerable time when choosing which lab viscometers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.