Updated: 22 Feb 2025

rotary speed meters

Updated: 22 Feb 2025

#1

Best Choice
ATO Digital Rotary Torque Sensor, 5 Nm Torque transducer, Dynamic Torque Sensors with LCD Display, Rotary Torque Meter for Motor Speed Measurement (Output Signal 4-20mA) (Capacity: 5 Nm)

9.7

ATO.COM

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Main highlights

【Lowest Measured Value (Nm)】The non-linearity of ATO Digital non-contact rotary torque sensor : 0.1%FS (Lowest Nm=Accuracy 0.001 * Capacity)

【LCD Display 】Dynamic torque sensors, power supply: DC 24V, LCD display can show torque, speed and power value at the same time

ATO rotary torque transducer with 7 pin waterproof circular connector and 3m cable can measure both forward and reverse torque, ATO torque sensor can directly output standard signal to PLC, DCS and other automation control systems, **Output Signal--- 4-20mA
#2

Value for Money
Saladulce Digital Rotary Viscometer 10-6,000,000mPa.s Touch Screen Viscosity Meter ±1% Accuracy Lab Viscometers with Data Output and Temperature Probe 110-240V (NDJ-9T 10-6,000,000mPa.S)

9.5

Saladulce

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Main highlights

【Touch Screen Design】The rotary visometer can display temperature, rotor, speed, percentage, viscosity, shear rate, shear force. Clear and convenient, easy to operate, with high stability. Can be switched between Chinese and English.

【High Accuracy】Viscosity measurement accuracy: ±1%, repeated error: 1%FS, measuring range: 10-6,000,000mpa.s, speed: 6-60RPM (stepless speed control). If you want to measure the viscosity range of 1-10mpa.s liquid, you need to buy 0 rotor separately: B08P5LH73K.

【Data Transmission】The viscosity meter tester has the functions of data output, printing and temperature measurement, which can transmit data to the computer and compare multiple groups of data. The speed can be programmed and the temperature curve can be made. Applicable to all computer systems.
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#3
CGOLDENWALL NDJ-5S Rotary Visometer Digital Rotational Viscosity Meter Lab Viscometers 110-240V 10-100,000mPa.s Accuracy:±3.0% (Old or New Panel)

9.3

CGOLDENWALL

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Main highlights

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.

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
#4
Bonvoisin Digital Rotary Viscometer 10-2,000,000mPa.S Touch Screen Viscosity Meter with 4 Rotors and Temperature Probe ±1% Accuracy 100-240V (NDJ-8T)…

9.2

Bonvoisin

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Main highlights

±1% ACCURACY: Measurement range: 10-2,000,000mPa.S(1mPa.S=1cp) Measurement error: ±1%, with 4 rotors (No. 1, 2, 3, and 4) and 8 speeds (0.3, 0.6, 1.5, 3, 6, 12, 30, 60 rpm), which are composed of 32 combinations. You can determine viscosity as low as 1mPa.s with 0# rotor.

TOUCH SCREEN DISPLAY-Display in spindle, speed, temperature(℃), time, mPas and % torque. Clear and accurate reading.(% torque should be controlled in 15%-85% and around 50% is most suitable)

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, paints, inks (screen printing), oils, milkshake, honey, cosmetics, etc.
#5
Bonvoisin Digital Rotary Viscometer 10-100,000mPa.S Digital Lab Rotational Viscosity Meter +-3% Accuracy Fluidimeter Tester Meter with 4 Rotors and Temperature Probe 110-240V(NDJ-5S)

9.1

Bonvoisin

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Main highlights

LCD Display: Display in spindle, speed, temperature(℃), mPas and % torque. Clear and accurate reading.(% torque should be controlled in 15%-85% and around 50% is most suitable)

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, paints, inks (screen printing), oils, milkshake, honey, cosmetics, etc.(sample temperature under 100℃/212℉）

4 Rotors&4 Speed-It is very convenient for users to choose the rotor and rotor velocity correctly for testing liquid, because of the % function displaying the proportion of the measured value in the total range.
#6
Saladulce Digital Rotary Viscometer, NDJ-8S Viscosity Meter Tester with Data Output,10-2,000,000 mPa.s Fluidmeter ±3% 100-240V

8.8

Saladulce

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Main highlights

[DIGTAL CONTROL]: This unit adopts backlight LED screen, which will display the data more clearly. Rotor, rotating speed, viscosity and temperature are all displayed on the screen. Micro computer control, easy to operate.

[AUTO SEARCH]: This viscometer is functioned with auto search. You can enter to get the right rotor according to the viscosity of your liquid sample liquid. It will effectively reduce the measuring errors in the experiment.

[PARAMETERS]: Measuring range:10-2,000,000Mpa.s, model: NDJ-8S, accuracy: ±0.5%, rotor type: #1, #2, #3, #4, rotating speed: 0.3,0.6,1.5,3, 6, 12, 30, 60rpm/min, voltage: 110V. For low-viscosity liquid, please equip with #0 rotor.
#7
U.S. Solid Rotary Viscometer, Viscosity Meter 10-100,000 mPa with 4 Rotors, ±2% Accuracy, LCD Display, 100-240V, for Laboratory/Industrial Use

8.5

U.S. Solid

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Main highlights

Clear LCD Display for Instant Readings: The built-in LCD provides real-time results, allowing you to easily monitor the viscosity and flow of liquids, simplifying data collection and evaluation.

Accurate Measurements with Easy Operation: The U.S. Solid Rotary Viscometer provides quick and precise fluidity testing. It utilizes microcomputer technology to clearly display viscosity, rotor speed, and other key parameters. It ensures that each batch on your production line meets the required specifications.

4 Rotors and Adjustable Speeds: This viscometer is equipped with 4 rotors (#1, #2, #3, #4) and covers a wide range of viscosities. An optional #0 rotor (available at an additional cost) is also available for measuring viscosities as low as 0.1 mPa·s.
#8
VTSYIQI Rotational Viscometer Viscosity Meter Rotary Visometer With Measuring Device 110V For All Kinds Of Fluid Viscosity Measurement

8.2

VTSYIQI

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Main highlights

This instrument adopts singlechip technology can easily set range (the number and speed), the data of the sensors into the digital processing, and LED digital tube display measurement clearly set number of rotor, rotational speed and the viscosity of the liquid being measured values

The instrument standard with 4 kinds of rotors (1, 2, 3, 4); have 4 speed (6, 12, 30, 60, revolutions per minute)

Measurement range: 1～1×10 ^5 mPa.s; Precision:±2%（Newton liquid）; Stop: When the measurement results are stable, the rotor stop automatically
#9
Liquid Viscosity Meter Rotary Viscometer Tester with RS232 Interface and Temperature Sensor Range 1 to 1×100000 mPa.s

8.0

CNYST

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Main highlights

◆ The instrument standard with 4 kinds of rotors (1, 2, 3, 4); Speed of Rotors: 6、12、30、60r/min;

◆ Measuring Range: 1～1×10^5mPa.s; Display with blue backlight, high brightness LED display, data showed clearly.The instrument is is Equipped with temperature sensors can be measured the temperature of the liquid and also RS -232 interface and software to record all test data

◆ Digital display viscometer as four gear speed (6, 12, 30, 60, revolutions per minute), which composed of 16 kinds of combination, can measure the determination of the viscosity of the liquid within the range of values.
#10
Bonvoisin Digital Rotary Viscometer 10-2,000,000mPa.S Digital Lab Rotational Viscosity Meter with 4 Rotors and Temperature Probe 110-240V(NDJ-8S)

7.8

Bonvoisin

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Main highlights

LCD Display: Display in spindle, speed, temperature(℃), mPas and % torque. Clear and accurate reading.(% torque should be controlled in 15%-85% and around 50% is most suitable)

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, paints, inks (screen printing), oils, milkshake, honey, cosmetics, etc.(sample temperature under 100℃/212℉）

4 Rotors&8 Speed-It is very convenient for users to choose the rotor and rotor velocity correctly for testing liquid, because of the % function displaying the proportion of the measured value in the total range.

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rotary speed meters

ATO Digital Rotary Torque Sensor, 5 Nm Torque transducer, Dynamic Torque Sensors with LCD Display, Rotary Torque Meter for Motor Speed Measurement (Output Signal 4-20mA) (Capacity: 5 Nm)

9.7

Main highlights

Saladulce Digital Rotary Viscometer 10-6,000,000mPa.s Touch Screen Viscosity Meter ±1% Accuracy Lab Viscometers with Data Output and Temperature Probe 110-240V (NDJ-9T 10-6,000,000mPa.S)

9.5

Main highlights

CGOLDENWALL NDJ-5S Rotary Visometer Digital Rotational Viscosity Meter Lab Viscometers 110-240V 10-100,000mPa.s Accuracy:±3.0% (Old or New Panel)

9.3

Main highlights

Bonvoisin Digital Rotary Viscometer 10-2,000,000mPa.S Touch Screen Viscosity Meter with 4 Rotors and Temperature Probe ±1% Accuracy 100-240V (NDJ-8T)…

9.2

Main highlights

Bonvoisin Digital Rotary Viscometer 10-100,000mPa.S Digital Lab Rotational Viscosity Meter +-3% Accuracy Fluidimeter Tester Meter with 4 Rotors and Temperature Probe 110-240V(NDJ-5S)

9.1

Main highlights

Saladulce Digital Rotary Viscometer, NDJ-8S Viscosity Meter Tester with Data Output,10-2,000,000 mPa.s Fluidmeter ±3% 100-240V

8.8

Main highlights

U.S. Solid Rotary Viscometer, Viscosity Meter 10-100,000 mPa with 4 Rotors, ±2% Accuracy, LCD Display, 100-240V, for Laboratory/Industrial Use

8.5

Main highlights

VTSYIQI Rotational Viscometer Viscosity Meter Rotary Visometer With Measuring Device 110V For All Kinds Of Fluid Viscosity Measurement

8.2

Main highlights

Liquid Viscosity Meter Rotary Viscometer Tester with RS232 Interface and Temperature Sensor Range 1 to 1×100000 mPa.s

8.0

Main highlights

Bonvoisin Digital Rotary Viscometer 10-2,000,000mPa.S Digital Lab Rotational Viscosity Meter with 4 Rotors and Temperature Probe 110-240V(NDJ-8S)

7.8

Main highlights

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