The Labmart LMDV222 Digital Viscometer with Small Sample Adaptor is a digital direct-reading rotational viscometer designed for measuring the absolute viscosity of Newtonian liquids and apparent viscosity of non-Newtonian liquids. It offers a 6–6,000,000 mPa·s measuring range, 0.1–200 speed range, 2000 speeds, and Shear Rate / Shear Force Display, with a Small Sample Adaptor included as standard.

3. Detailed Product Description

Product Overview

The LABMAN LMDV222 Digital Viscometer with Small Sample Adaptor is a digital direct-reading rotational viscometer configured for viscosity measurement with a dedicated small-sample system.

The LMDV222 has a specified measuring range of 6–6,000,000 mPa·s, a speed range of 0.1–200, and 2000 speeds. The instrument uses selectable stepless speed operation and provides direct viscosity and temperature display through an LCD.

A distinguishing feature of the LMDV222 is the Shear Rate and Shear Force Display, which is specified as available for this model in the catalogue.

The Small Sample Adaptor is supplied as a standard accessory. It consists of a coupling nut, extension link, spindle set #21, #27, #28 and #29, sample chamber and adjustable base. The catalogue states that approximately 15 mL is needed for testing with the Small Sample Adaptor, while the specification table gives the minimum sample as 10–20 mL.

The sample chamber fits into a water jacket, and sample temperature can be controlled using an optional Refrigerated Circulating Bath.

Key Features and Benefits

• Digital direct-reading rotational viscometer
• Small Sample Adaptor supplied as standard
• 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
• Eight-spindle configuration
• L1, L2, L3 and L4 standard spindle set
• #21, #27, #28 and #29 Small Sample Adaptor spindle set
• ±1% FS measurement accuracy
• ±0.5% FS repeatability
• RS232C interface
• Small-volume sample testing
• Optional sample temperature control using a Refrigerated Circulating Bath

4. Technical Specifications

The specifications above are taken from the LMDV222 column of the supplied catalogue specification table.

Small Sample Spindle Range

These ranges are specified in the catalogue's Small Sample Adaptor spindle range table.

5. Applications

The catalogue specifies the LMDV series for:

• Absolute viscosity measurement of Newtonian liquids
• Apparent viscosity measurement of non-Newtonian liquids
• Digital rotational viscosity measurement
• Small-sample viscosity testing
• Laboratory viscosity measurement
• Viscosity testing where limited sample volume is available
• Measurements involving shear rate and shear force

The catalogue does not specify individual industries or specific materials for the LMDV222.

6. Suitable For

• Research laboratories
• Analytical laboratories
• Quality-control laboratories
• R&D laboratories
• Laboratories working with limited sample volumes
• Newtonian liquid viscosity testing
• Non-Newtonian liquid viscosity testing
• Laboratories requiring shear-rate and shear-force information
• Laboratories requiring wide-range digital viscosity measurement

7. FAQs

1. What is the LMDV222?

The LMDV222 is a Digital Viscometer with Small Sample Adaptor designed for direct-reading rotational viscosity measurement.

2. What is the measuring range of the LMDV222?

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

3. Does the LMDV222 include a Small Sample Adaptor?

Yes. The Small Sample Adaptor is specified as a standard accessory.

4. How much sample is required?

The specification table gives a minimum sample requirement of 10–20 mL. The catalogue's descriptive section states that approximately 15 mL is needed for testing using the Small Sample Adaptor.

5. Which spindles are used with the Small Sample Adaptor?

The Small Sample Adaptor uses:

• #21
• #27
• #28
• #29

6. What are the Small Sample Adaptor spindle ranges for LMDV222?

The catalogue specifies:

• #21: 5–50K mPa·s
• #27: 25–250K mPa·s
• #28: 50–500K mPa·s
• #29: 100–1M mPa·s

7. How many standard spindles are specified?

The catalogue specifies 8 spindles: L1, L2, L3, L4, #21, #27, #28 and #29.

8. What is the speed range?

The LMDV222 has a specified speed range of 0.1–200.

9. How many speeds are available?

The catalogue specifies 2000 speeds.

10. Does the LMDV222 display shear rate and shear force?

Yes. The catalogue specifies Yes for Shear Rate / Shear Force Display on the LMDV222.

11. Does the LMDV222 have an Auto Range function?

Yes. Auto Range is listed as one of the salient features of the viscometer.

12. Does the LMDV222 monitor temperature?

Yes. Temperature Monitoring: Yes is specified.

13. Can sample temperature be controlled?

Yes. The catalogue states that sample temperature can be controlled using an optional Refrigerated Circulating Bath and that the sample chamber fits into a water jacket.

14. What is the measurement accuracy?

The specified measurement accuracy is ±1% FS.

15. What is the repeatability?

The specified repeatability is ±0.5% FS.

16. Does the LMDV222 have RS232C output?

Yes. The specified output is an RS232C Interface.

17. What is the power supply?

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

18. What is the packing dimension?

The LMDV222 packing dimension is 425 × 375 × 550 mm.

19. What is the gross weight?

The catalogue specifies 15 kg.