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Product Description

The Labmart LMDV60 Digital Rotational Viscometer is a direct-reading rotational viscometer designed to measure the absolute viscosity of Newtonian liquids and apparent viscosity of non-Newtonian liquids. The LMDV series features auto range, selectable speed, direct viscosity and temperature display, an ultra-bright backlit LCD and reliable digital operation. The catalogue presents the series in LMDV60, LMDV100 and LMDV200 configurations.

3. Detailed Product Description

Product Overview

The LMDV60 Digital Rotational Viscometer is part of the LABMAN LMDV series of Digital Direct Reading Rotational Viscometers.

The catalogue describes the LMDV series as suitable for measuring:

  • Absolute viscosity of Newtonian liquids
  • Apparent viscosity of non-Newtonian liquids

The instrument is designed around a flexible, direct-reading measurement system, with selectable speed, automatic range functionality and direct display of viscosity and temperature.

The supplied catalogue covers three models:

  • LMDV60
  • LMDV100
  • LMDV200

The three configurations differ primarily in their viscosity measuring range, speed range, number of speeds and availability of shear-rate/shear-force display.

Key Features and Benefits

Auto Range Function

The LMDV series incorporates an Auto Range function for viscosity measurement.

Selectable Speed

The catalogue specifies selectable stepless speed operation, described as nonpolar shift.

Direct Viscosity Reading

The instrument provides direct viscosity readings together with temperature display.

Ultra-Bright Backlit LCD

A big ultra-bright backlight LCD display provides the instrument's digital readout.

Newtonian and Non-Newtonian Liquids

The catalogue specifically identifies the LMDV series for both absolute viscosity measurement of Newtonian liquids and apparent viscosity measurement of non-Newtonian liquids.

Temperature Monitoring

Temperature monitoring is specified for the LMDV60, LMDV100 and LMDV200 series.

Standard Spindle Set

The standard configuration includes four spindles: L1, L2, L3 and L4.

RS232C Output

The viscometer provides an RS232C interface for output.

4. Technical Specifications

Specification LMDV60 LMDV100 LMDV200
Make LABMAN LABMAN LABMAN
Measuring Range 20–2,000,000 mPa·s 12–6,000,000 mPa·s 6–6,000,000 mPa·s
Speed 0.3–60 0.1–99.9 0.1–200
No. of Speed 8 1000 2000
Speed Type Selectable Stepless Speed (nonpolar shift) Selectable Stepless Speed (nonpolar shift) Selectable Stepless Speed (nonpolar shift)
Shear Rate / Shear Force Display No No Yes
Standard Spindles 4 (L1, L2, L3, L4) 4 (L1, L2, L3, L4) 4 (L1, L2, L3, L4)
Display LCD LCD LCD
Temperature Monitoring Yes Yes Yes
Measurement Accuracy ±1% (FS) ±1% (FS) ±1% (FS)
Repeatability ±0.5% (FS) ±0.5% (FS) ±0.5% (FS)
Output RS232C Interface RS232C Interface RS232C Interface
Power Supply DC Adaptor, using AC 220V, 50/60Hz DC Adaptor, using AC 220V, 50/60Hz DC Adaptor, using AC 220V, 50/60Hz
Packing Dimension 425 × 380 × 410 mm 425 × 375 × 405 mm 430 × 380 × 400 mm

The above model-by-model specifications are taken from the LMDV60/LMDV100/LMDV200 specification table in the supplied catalogue.

Gross weight: The catalogue table displays 11 kg and 8 kg in the gross-weight row, but the extracted table does not clearly associate each displayed weight with an individual model. Therefore, the model-specific gross weight is not assigned here to avoid altering the catalogue information.

5. Applications

The catalogue specifically identifies the LMDV series for:

  • Absolute viscosity measurement of Newtonian liquids
  • Apparent viscosity measurement of non-Newtonian liquids
  • Laboratory viscosity measurement
  • Research and analytical viscosity testing
  • Quality-control viscosity testing
  • Comparative viscosity measurement

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

6. Suitable For

  • Research laboratories
  • Quality-control laboratories
  • Analytical laboratories
  • Laboratories testing Newtonian liquids
  • Laboratories testing non-Newtonian liquids
  • Laboratories requiring direct digital viscosity measurement
  • Laboratories requiring temperature monitoring during viscosity measurement

7. FAQs

1. What is the LMDV60?

The LMDV60 is a Digital Direct Reading Rotational Viscometer in the LABMAN LMDV series.

2. What does the LMDV60 measure?

It is designed to measure the absolute viscosity of Newtonian liquids and the apparent viscosity of non-Newtonian liquids.

3. What is the viscosity range of the LMDV60?

The specified measuring range is 20–2,000,000 mPa·s.

4. What are the other models in the LMDV series?

The catalogue lists LMDV60, LMDV100 and LMDV200.

5. What is the measuring range of the LMDV100?

The specified range is 12–6,000,000 mPa·s.

6. What is the measuring range of the LMDV200?

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

7. Does the LMDV60 have selectable speed?

Yes. The catalogue specifies selectable stepless speed (nonpolar shift).

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

Yes. Shear Rate and Shear Force Display is specified as available on the LMDV200. It is listed as unavailable on the LMDV60 and LMDV100.

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 viscometer monitor temperature?

Yes. Temperature Monitoring: Yes is specified for the LMDV series.

13. Does the instrument have computer connectivity?

The catalogue specifies an RS232C Interface output.

14. What power supply is required?

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

15. What accessories are included?

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

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