The Labmart LMDV200 Digital Rotational Viscometer is a digital direct-reading rotational viscometer designed to measure the absolute viscosity of Newtonian liquids and apparent viscosity of non-Newtonian liquids. It offers a 6–6,000,000 mPa·s measuring range, selectable stepless speed, Auto Range function, temperature monitoring, LCD display and Shear Rate / Shear Force Display.

3. Detailed Product Description

Product Overview

The LMDV200 Digital Rotational Viscometer is the high-range model in the LMDV60, LMDV100 and LMDV200 Digital Rotational Viscometer series.

The instrument is designed for measuring the absolute viscosity of Newtonian liquids and the apparent viscosity of non-Newtonian liquids. The LMDV200 provides a viscosity measuring range of 6–6,000,000 mPa·s, with selectable stepless speed from 0.1 to 200 and 2000 speeds specified in the catalogue.

A key feature of the LMDV200 is its Shear Rate and Shear Force Display, which the catalogue specifically identifies as available on this model. The instrument also provides direct viscosity and temperature display, Auto Range functionality and a large ultra-bright backlit LCD display.

Key Features and Benefits

• Digital direct-reading rotational viscosity measurement
• 6–6,000,000 mPa·s measuring range
• 0.1–200 speed range
• 2000 speeds
• Selectable stepless speed
• Shear Rate and Shear Force Display
• Auto Range function
• Direct viscosity and temperature display
• Big ultra-bright backlight LCD display
• Temperature monitoring
• Four standard spindles: L1, L2, L3 and L4
• ±1% FS measurement accuracy
• ±0.5% FS repeatability
• RS232C interface

4. Technical Specifications

The above specifications are taken from the LMDV60/LMDV100/LMDV200 specification table in the supplied 2025–26 catalogue.

5. Applications

Based on the catalogue description, the LMDV200 is suitable for:

• Absolute viscosity measurement of Newtonian liquids
• Apparent viscosity measurement of non-Newtonian liquids
• Digital rotational viscosity measurement
• Laboratory viscosity testing
• Viscosity research
• Quality-control viscosity measurement
• Measurements requiring shear-rate and shear-force information

Specific industry applications are not individually specified in the supplied catalogue.

6. Suitable For

• Research laboratories
• Analytical laboratories
• Quality-control laboratories
• R&D laboratories
• Newtonian liquid testing
• Non-Newtonian liquid testing
• Laboratories requiring a wide viscosity measuring range
• Laboratories requiring shear-rate and shear-force display
• Laboratories requiring direct digital viscosity measurement

7. FAQs

1. What is the LMDV200?

The LMDV200 is a Digital Direct Reading Rotational Viscometer.

2. What is the viscosity measuring range of the LMDV200?

The specified range is 6–6,000,000 mPa·s.

3. What type of liquids can the LMDV200 measure?

The catalogue describes the LMDV series for measuring the absolute viscosity of Newtonian liquids and apparent viscosity of non-Newtonian liquids.

4. What is the speed range?

The LMDV200 has a specified speed range of 0.1–200.

5. How many speeds are specified?

The catalogue specifies 2000 speeds.

6. Does the LMDV200 display shear rate and shear force?

Yes. The catalogue specifically specifies Shear Rate, Shear Force Display: Yes for the LMDV200.

7. Does the LMDV200 have Auto Range?

Yes. Auto Range function is listed among the salient features.

8. Does the instrument monitor temperature?

Yes. Temperature Monitoring: Yes is specified.

9. How many standard spindles are included?

The catalogue specifies four standard spindles: L1, L2, L3 and L4.

10. What is the measurement accuracy?

The specified measurement accuracy is ±1% FS.

11. What is the repeatability?

The specified repeatability is ±0.5% FS.

12. Does the LMDV200 have an RS232C interface?

Yes. The specified output is an RS232C Interface.

13. What is the power requirement?

The catalogue specifies a DC adaptor using AC 220V, 50/60Hz.

14. What is the packing dimension?

The specified packing dimension is 430 × 380 × 400 mm.

15. What is the gross weight?

The catalogue specifies 8 kg.

16. What standard accessories are supplied?

The catalogue lists the main instrument, protection cap, adaptor, L1–L4 spindle set, RTD probe, test certificate, spindle guard and wrench, indicator stand and instruction manual among the standard accessories.