Best Lab Viscometers in 2026

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.

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.

【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.

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.

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

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.

【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.

Equipped with #1,#2,#3,#4 four kinds of rotos, 8 speeds-0.3rpm, 0.6rpm, 1.5rpm, 3rpm, 6rpm, 12rpm, 30rpm, 60rpm/min, can measure the viscosities of various liquids in the range of measurement.

The digital rotary viscometer has the high sensitivity, good anti-interference performance, microcomputer control technology, accurate data collection and reliable test results.

A level device on the top makes leveling more convenient and intuitive; horizontal knobs at the bottom for easy adjustment and stable operation.

[±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.

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

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.

APPLICATION-The viscometer is used for testing the apparent viscosity of non-Newtonian fluid and the absolute viscosity of the Newtonian fluid. It's compatible for solvent based adhesive, oil paint, coating, cosmetic, printing ink, pulp,and so on. (sample temperature under 100 Celsius/212 Fahrenheit）

±3% ACCURACY-The rotary viscometer adopts 16-bit high-performance single chip, stepper motor and torque sensor, ensuring an accurate and reliable results.

LCD DISPLAY-Display in rotor and speed, mPas(1mPas = 1cP), temperature.

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.

★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.

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.

【Data output】The viscomter is equipped with RS232 interface and temp. probe. Comes with data interface, U disc and RS232 cable, you can transfer the current data to your computer(XP system) for store or print. With temperature probe, you can also test the temperature of sample.

【LED screen display】 Backlight LED screen is used for the viscometer, which clearly display rotor, speed, viscosity and temperature in real time. Auto search function help you get the right rotor according to the viscosity of sample liquid. It will effectively reduce the measuring errors in the experiment.

【Precise measurement】Measuring range:10-6,000,000Mpa.s, accuracy: ±3%, rotor type: #1, #2, #3, #4, rotating speed: 0.1,0.3,0.6,1.5,3, 6, 12, 30, 60rpm/min, temperature range: 25-99℃. For low-viscosity liquid, please equip with #0 rotor.

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.

Accurately tests the flow and thickness of fluid materials

Accurate, lightweight, easy to use, and portable; Temperature display

Measurement Range: 10 ~ 1x 10^5 mPa·s

Accurately tests the flow and thickness of fluid materials

LCD digital screenfor instant readings

Accurate, lightweight, easy to use, and portable

◆ 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

◆ 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

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.

Range(mPa.s):1-1000K

RPM: 6, 12, 30, 60

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

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.

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