The Labmart LMDV400R Digital Viscometer is a digital viscosity measurement instrument designed for a wide range of viscosity samples. It features stepless speed regulation, 2000 selectable speeds, Shear Rate and Shear Force Display, temperature monitoring, an RTD temperature probe and RS232C interface.

3. Detailed Product Description

Product Overview

The LMDV400R Digital Viscometer is designed for laboratory viscosity measurement across a wide viscosity range. The supplied catalogue identifies it as a Digital Viscometer and specifically highlights its suitability for a wide range of viscosity samples.

The instrument uses a 16-bit microprocessor control system and provides stepless speed regulation over 0.1–200 rpm, with 2000 speeds. It incorporates an LCD screen with a night visual function and provides Shear Rate and Shear Force Display.

Temperature monitoring is provided through the supplied RTD temperature probe, with a catalogue-specified temperature resolution of ±0.1°C. The instrument also provides an RS232C interface for output.

Key Features and Benefits

• Digital viscosity measurement
• Suitable for a wide range of viscosity samples
• 0.1–200 rpm speed range
• 2000 selectable speeds
• Stepless speed regulation
• 16-bit microprocessor control
• Shear Rate and Shear Force Display
• Temperature monitoring
• RTD temperature probe
• LCD screen with night visual function
• ±0.1°C temperature resolution as specified in the catalogue
• RS232C interface
• Six-spindle configuration
• Spindles R2, R3, R4, R5, R6 and R7
• Optional data collecting and analyzing software

4. Technical Specifications

Important: The measuring-range value above is reproduced in the catalogue's printed form as “40 to 40,00,0000” mPa·s rather than silently correcting the numerical formatting.

5. Applications

The supplied catalogue describes the LMDV400R as being suitable for a wide range of viscosity samples.

Suitable laboratory applications include:

• Viscosity measurement
• Wide-range viscosity sample testing
• Laboratory viscosity analysis
• Shear rate measurement
• Shear force measurement
• Temperature-monitored viscosity measurement
• Research and quality-control viscosity testing

Specific industries or individual sample materials are not specified in the supplied catalogue.

6. Suitable For

• Research laboratories
• Analytical laboratories
• Quality-control laboratories
• R&D laboratories
• Laboratory viscosity testing
• Wide-range viscosity sample measurement
• Testing requiring shear-rate and shear-force information
• Testing requiring temperature monitoring
• Laboratories requiring RS232C data output

7. FAQs

1. What is the LMDV400R?

The LMDV400R is a Digital Viscometer designed for viscosity measurement across a wide range of samples.

2. What is the measuring range?

The catalogue prints the measuring range as 40 to 40,00,0000 mPa·s.

3. What is the speed range?

The speed range is 0.1–200 rpm.

4. How many speeds does the LMDV400R provide?

The catalogue specifies 2000 speeds.

5. Does the LMDV400R use stepless speed regulation?

Yes. The catalogue specifies Selectable Stepless Speed (nonpolar shift).

6. How many spindles are supplied?

The LMDV400R is specified with six spindles.

7. Which spindles are supplied?

The spindle set consists of:

• R2
• R3
• R4
• R5
• R6
• R7

8. Does the LMDV400R display shear rate and shear force?

Yes. Shear Rate and Shear Force Display: Yes is specified in the catalogue.

9. Does the instrument provide temperature monitoring?

Yes. Temperature monitoring is specified, together with an RTD temperature probe.

10. What is the specified temperature resolution?

The catalogue specifies ±0.1°C.

11. What is the measurement accuracy?

The specified accuracy is ±1% FS.

12. What is the repeatability?

The specified repeatability is ±0.5% FS.

13. Does the LMDV400R have an RS232C interface?

Yes. The output is specified as an RS232C Interface.

14. Does it have software?

Data collecting and analyzing software is listed as optional.

15. What is the display type?

The instrument uses an LCD display, with the catalogue specifically mentioning a night visual function.

16. What is the power supply?

The catalogue specifies an adaptor using AC 220V / 50Hz.

17. What is the packing dimension?

The specified packing dimension is 425 × 375 × 545 mm.

18. What is the gross weight?

The specified gross weight is 14 kg.