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miniAV Automatic Viscometer
ASTM D445 Standard Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (the Calculation of Dynamic Viscosity)
 
Affordable D 445 Automation
The miniAV from CANNON Instrument Company offers every laboratory an exciting new tool for convenient and highly accurate kinematic viscosity (Kin Vis) measurement. Occupying roughly the same footprint as a tabletop rotational viscometer, the miniAV automates the time-consuming sample measurement and viscometer tube wash/dry procedures associated with the ASTM D 445 method, freeing the laboratory technician for other duties. The miniAV has been designed as an affordable alternative to traditional labor-intensive manual Kin Vis measurement methods, and provides a first step toward full laboratory automation.

The miniAV performs in tandem with the proven VISCPRO II software for Windows 98/NT/XP, providing convenient sample ID data entry, database maintenance, and powerful reporting and LIMS connectivity capabilities. Two miniAV instruments can be connected to a single PC to easily determine Viscosity Index for a sample.
 
 

miniAV

Meets all ASTM D 445 Precision Specifications
Convenient and Affordable Automated Testing
100-Fold Range Tubes for Kinematic Viscosities
  Between 0.5 and 6,000* mm2/s
Selectable Temperature Range Between 20 and 100
  C
Attractive and Compact Tabletop Unit
  Save Space, Save Time, Save Money


• Meets all ASTM D445 Precision
  Specifications
• Affordable Automated Testing
• Low Solvent/Sample Volume
• Faster Through-Put
• 100-Fold Tube Ranges for KinVis up to 5000 cSt
• Selectable Temperature from 20 to 100C
• Smart Table Technology
• Attractive and Compact
  Benchtop Unit—Saves Space,
  Saves Time, Saves Money!

miniAV-X


• Rapid Analysis – 3 min or less
• Reduced Lab Operating Costs
• Small Sample Volume 4 to 5mL
• Uses Low Cost 17x100 mm
• Standard HDPE Sample Vial
• Low Solvent Usage - 8mL per sample
• Quick Tube Replacement
• High Reliability/Easy Serviceability
• Small Footprint

miniQV-X


Developed Specifically for Low Temperature (Sub-Zero) KinVis Measurement

• Meets ASTM D445 and D2532 Precision Specifications
• Temperature Range of -40C to +30C
• Measures KinVis up to 20,000 mm2/s
• Ideal for -20C Measurement of Jet Fuel According
  to ASTM D1655 and DEF STAN 91:91
• Meets ASTM D2532 with 3 hour or 72
  hour Thermal Soak of Aviation Turbine Lubricants
  down to -40C
• Also applicable to -40C Testing of Hydraulic
  Fluids,Turbine and Transformer Oils up to 20,000
  mm2/s
• Attractive and Compact Tabletop Unit
• Environmentally-friendly Peltier Technology Cooling 
  (requires no external refrigerants); Small Air-Water
  Heat Exchanger Included
• Unique Viscometer Tube (Patent Pending) which
  Incorporates Sensitive Thermistor Sensors
• Available with 10-Fold Range Tube
• Design Allows Bath to Quickly Warm to +30C for
  Easy Automated Cleaning and Drying with
  Standard Solvents(eliminating common moisture
  issues)

miniAV-LT


• Convenient and Affordable
• Automated Measurement ofPolymer Solution
  Viscosities
• Selectable Temperature Range Between 20 and 100C
• Powerful VISCPRO Software
• Calculates Solvent, Relative,Intrinsic, Inherent, and
  Reduced Viscosity
• Elastomers, Plastics, TPEs,Copolymers,
  Biopolymers,Blends, Oligomers, Pre-Polymers,Resins,
  Viscosity Modifiers

miniPV

 
 
Operation
Operation of the miniAV is simple. The user fills the sample vial, places it in the vial holder beneath the viscometer, and raises it into position. Sample ID information is entered via the computer. The user initiates the test with a single mouse click.Without further operator intervention, the sample is drawn up into the viscometer tube, held for temperature equilibration, and then measured. Data is automatically transferred to the computer database via the RS-232 serial connection. The sample is then ejected as waste, and the sample vial becomes a wash station as solvent is automatically metered into the viscometer tube and then evacuated to complete the cleaning cycle. Following tube drying, the vial holder is lowered to its original position, ready to receive the next sample. Total cycle time for a test is 3 to 5 minutes depending on the viscosity.
 
Accuracy
The miniAV provides automatic Kin Vis testing within parameters specified by ASTM D 445/446 and ISO 3104/3105.
The miniAV measures flow rates within 0.001 second by electronically timing the liquid meniscus as it moves between thermistor timing sensors. Bath temperature is controlled with accuracy better than 0.02C between 20 and 100, as required by ASTM D 445/446. Dark or opaque liquids may be measured with the same precision as transparent fluids – without the need to change tubes. Unlike non-traditional bench-top instruments which claim D445 correlation, the miniAV is truly a KinVis instrument. Using a capillary viscometer defined in D446, the miniAV performs equally well on Newtonian materials and fully formulated end products.
 
Features

The miniAV bath unit housing is only 10 inches wide, and the unit is less than 21 inches in height. Modular side panels swivel out for convenient maintenance/service. The modified Ubbelohde compound viscometer tube offers a 100-fold viscosity range (easily covering the range of 5 separate manual glass viscometers), and requires only 5 mL of sample (3 mL with Fast-Run tubes). The tube rests in a 1-liter temperature bath that also contains temperature and fluid level sensors, cooling coil, heating element, and impellersthat circulatebath fluid to ensure high temperature uniformity.

Like its fully-automatic cousins in the CAV 2000 Series, the miniAV offers selectable temperatures between 20 and 100C. Data is transmitted to and from the controlling computer via a standard RS-232 serial interface. The instrument is shipped with the VISCPRO II controlling software, external power supply, and waste receiver assembly. Convenient chromatography-type container lids may be used for connecting cap thread #38 reagent bottles to the miniAV.

 
Required Accessories
The miniAV requires a computer with theWindows 98/NT/XP operating system. The user must provide a suitable non-pressurized solvent container for each solvent. For test temperatures below 40C or for operation in high-ambient environments, an optional chiller or TE bath chiller is required.
 
VISCPRO Software

VISCPRO software for Windows 95, 98, 2000, NT, and XP automates multiple sample testing for the miniAV. With VISCPRO you can save and restore multiple instrument configurations or sample ID information with a few mouse clicks. Three security levels help to protect against inadvertent changes in instrument configurations or sample testing procedures.

As VISCPRO controls the miniAV, test data is written to a Microsoft Access database file. The software provides user-configurable reports which can be used to retrieve selected information from the database. Analyses can be displayed on the computer screen, printed, saved to an ASCII file or transmitted to the user’s Laboratory Information Management System (LIMS) via a serial connection. VISCPRO is shipped with a companion program, the Database Manager, which provides convenient and powerful functions for managing and archiving database data. Extensive user-friendly help files simplify the operation of VISCPRO.

 
miniAV Specifications
Operating Conditions:   10%-90% RH non-condensing. Installation category II; Pollution degree 2
Viscosity Range: 0.5 to 6000 cSt
Compliance: CE Mark: EMC directive (89/336/EEC); Low voltage directive (73/23/EEC); HI-POT (1900 VDC, 60 sec.)
Computer: Computer not included. An IBM-compatible computer with a pentium processor and Windows 95/98/NT/XP, SVGA or better monitor, CD-ROM drive, 32 MB RAM, a serial port, and a hard disk with 200 megabytes available disk space is required.
Dimensions: Shipping Weight: 120-140 lbs (depends on number of accessories shipped)
Shipping Box: 29'"x 25" x 36"
Instrument: 21.75" height, 10" width, 11.375" depth, 30 lbs
Power Supply: 6.75" height, 13" width, 15.5" depth, 12 lbs
Waste Bottle Housing: 16" height, 8" width, 14" depth, 7 lbs

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