What is the Rotational Viscometer LVM-A40 used for?

Rotational Viscometer LVM-A40 is designed to measure the viscosity of various liquids, lotions, and solutions. It is widely used in industries such as pharmaceuticals, cosmetics, food and beverages, and chemicals to ensure product consistency and quality.

Can the Rotational Viscometer LVM-A40 be used for measuring gels?

No, the LVM-A40 is not recommended for gels. This is because the gap between the sample container and the rotor is very small, requiring the sample to be fluid enough to flow smoothly. Gels are too thick, and their high viscosity can cause bubble formation, which interferes with accurate measurement.

What types of industries benefit from using the Rotational Viscometer LVM-A40?

Rotational Viscometer LVM-A40 is highly versatile and can be used in multiple industries, including: • Cosmetics – for measuring lotions, creams, and liquid formulations. • Pharmaceuticals – for solutions, syrups, and suspensions. • Food and Beverages – for sauces, oils, and drinks. • Chemicals – for solvents, resins, and emulsions.

Is the Rotational Viscometer LVM-A40 easy to operate?

Yes. Rotational Viscometer LVM-A40 is equipped with user-friendly controls, a clear display, and a straightforward sample-loading process, making it simple for laboratory staff to perform routine viscosity testing with consistent results.

How does the Rotational Viscometer LVM-A40 ensure accuracy?

Rotational Viscometer LVM-A40’s accuracy is maintained through stable rotor operation, precise control of rotational speed, and careful sample handling. To achieve the best results, it is important to avoid bubbles and ensure the sample is fluid enough to circulate smoothly between the rotor and the container wall.

Rotational Viscometer LVM-A40

Name: Rotational Viscometer LVM-A40
Brand: Labtron
SKU: LVM-A40
Rating: 4.8 (981 reviews)

Rotational Viscometer LVM-A40 offers a viscosity range from 3 to 1,600,000 Mpa·S with 18 adjustable speeds from 0.3 to 100 rpm. Its built-in constant temperature tank maintains accurate temperature control. It has external storage and data transfer capabilities that enhance operational convenience. This device sturdy anti-static shell and metal lifter provide durability and stability. Our rotational viscometer advanced design ensures safe handling and reliable performance.

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Viscosity Range	3 to 1600000 M (Mpa. S)
Rotation Speed Range	0.3 / 0.6 / 1.5 / 3 / 6 / 10 / 12 / 15 / 20 / 25 / 30 / 40 / 50 / 60 / 70 / 80 / 90 / 100 Total 18 rpm
Spindles	18# rotor：3 to 10 K 7 ml25# rotor：480 to 1.6 M 9 ml31# rotor：30 to 100 10.5 ml34# rotor：60 to 200 K 11 ml
Rotor	18#，25#，31#，34# （standard configuration）
Accuracy	±3% (Newtonian liquid)
Repeatability	±1.5% (Newtonian liquid)
Output interface	Two RS232 interfaces to connect printer and computer
Power Supply	100 to 240V, 50/60 Hz
Dimension	300 × 300 × 450 mm
Packing Dimension	420 × 340 × 330 mm
Net weight	6 kg
Gross weight	8 kg

Designed with backlit LCD, digital display, rich information and easy to operate
Offers coaxial cylinder structure
Build-in temperature probe Interface (standard configuration)
Powerful human-computer interactive interface
Designed with spindle rotor, the sample size required for testing is very small
Equipped with timing measurement function
Two RS232 interfaces with direct connection to micro printer and computer

Rotational Viscometer LVM-A40 is widely used for viscosity testing in various industries. It is suitable for analyzing glue, latex, adhesives, polymer solutions, paints, coatings, and solvents. This viscometer plays a crucial role in testing oils, dairy products, cosmetics, and pharmaceutical formulations.

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Rotational Viscometer LVM-A40 Catalog

Available Range :

Rotational Viscometer LVM-A21 : 100 to 13M mPa·s Rotational Viscometer LVM-A40 : 3 to 1600000 M (Mpa. S) Rotational Viscometer LVM-D20 : 40.2 KU to 141.0 KU
32 g to 1099 g
27 to 5250 CP Rotational Viscometer LVM-A22 : HA: 200 to 26000000 mPa.s Rotational Viscometer LVM-A23 : HB: 800 to 104000000 mPa.s Rotational Viscometer LVM-A30 : LV: 1 to 6000000 mPa.s Rotational Viscometer LVM-A31 : RV: 100 to 40000000 mPa.s

Rotational Viscometer LVM-A40 | Accuracy : ±3% (Newtonian liquid) | Rotor : 18#，25#，31#，34#

Models of Rotational Viscometers

Labtron Rotational Viscometer are engineered with a robust rotating spindle that interacts with the fluid. They come with multiple spindle options and variable speed settings to fit diverse testing requirements. These have simple calibration procedures and low maintenance needs. Their user-friendly controls guarantee ease of operation. Our rotational viscometer are enhanced by integrated temperature control, ensuring consistent sample conditions.

Rotational Viscometer LVM-F10

Measurement Range : Medium Viscosity Sample: 50 to 10M (mPa. s/cP) Low Viscosity Sample: 5 to 1M (mPa. s/Cp)
Rotors : SC4-21#, 27#, 28#, 29# four spindles Optional: SC4- 14, 15, 16, 18, 25, 31, 34
Rotation Speed : 0.1 to 200 RPM
Measurement Accuracy : ± 1.0 %

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Rotational Viscometer LVM-C10

Measuring range : 1 to 100000 Mpa. S
Measuring Error : ±1% (Newtonian liquid)
Rotating speed : 3 / 6 / 12 / 30 / 60 (r/min)
Rotor : 1-4 rotors (lower than 10 Mpa. S needs 0 rotor)

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Rotational Viscometer LVM-D10

Measurement range : 25 mPa.s to 1×10000000 mPa.s
Rotors : Rotor no. 21, 27, 28, 29 ( total 4 pieces of spindles)
Rotor speed : (0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200 ) r/min
Temperature control range : 45 to 200°C

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Rotational Viscometer LVM-D11

Measurement range : 100 mPa.s to 200000 mPa.s
Rotors : Rotor no. 21, 27, 28, 29 ( total 4 pieces of spindles)
Rotor speed : 5, 10, 20, 50 r/min
Temperature control range : Room temperature to 200°C

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Rotational Viscometer LVM-B13

Measurement Range : 10 to 2,000,000 (10⁶) mPa.s
Measurement Accuracy : ± 1.0 % (Newtonian fluids）
Rotors : No.1, No.2, No.3, No.4 (optional No.0)
Rotate Speed : 0.3 / 0.6 / 1.5 / 3 / 6 / 12 / 30 / 60 r/min

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Rotational Viscometer LVM-A31

Viscosity Range : RV: 100 to 40000000 mPa.s
Rotation speed range : 0.1 to 250 rpm
Spindles : (2#, 3#, 4#, 5#, 6#, 7#, 6 Spindles） (0#, 1# are optional）
Accuracy : ± 1.0% (of full range)

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Rotational Viscometer LVM-B10

Measuring Range : 0.1 to 100,000 Mpa. S
Measuring Error : ±1% (Newtonian Liquid)
Rotating Speed : 6 / 12 / 30 / 60 (r/min)
Rotor : 1-4 rotors, (0 rotor for low viscosity)

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Rotational Viscometer LVM-C13

Measuring range : 1 to 600000 mPa.s
Rotating speed : 0.1/0.3/0.6/1.5/3/6/12/30/60 (r/min)
Rotor : 1 to 4 number rotors
Measuring Error (Newtonian liquid) : ±1%

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Rotational Viscometer LVM-A40 FAQ's

Rotational Viscometer LVM-A40 is designed to measure the viscosity of various liquids, lotions, and solutions. It is widely used in industries such as pharmaceuticals, cosmetics, food and beverages, and chemicals to ensure product consistency and quality.
No, the LVM-A40 is not recommended for gels. This is because the gap between the sample container and the rotor is very small, requiring the sample to be fluid enough to flow smoothly. Gels are too thick, and their high viscosity can cause bubble formation, which interferes with accurate measurement.
Rotational Viscometer LVM-A40 is highly versatile and can be used in multiple industries, including: • Cosmetics – for measuring lotions, creams, and liquid formulations. • Pharmaceuticals – for solutions, syrups, and suspensions. • Food and Beverages – for sauces, oils, and drinks. • Chemicals – for solvents, resins, and emulsions.
Yes. Rotational Viscometer LVM-A40 is equipped with user-friendly controls, a clear display, and a straightforward sample-loading process, making it simple for laboratory staff to perform routine viscosity testing with consistent results.
Rotational Viscometer LVM-A40’s accuracy is maintained through stable rotor operation, precise control of rotational speed, and careful sample handling. To achieve the best results, it is important to avoid bubbles and ensure the sample is fluid enough to circulate smoothly between the rotor and the container wall.