Brookfield Model LVDV-II+ Programmable DIGITAL VISCOMETER (Refurbished)

Comes with The Viscometer, Stand, Carrying Case, Spindle set , RTD temperature Probe, Power Cord and Operations Manual.   

The Brookfield Programmable DV-II+Viscometer measures fluid viscosity at given shear rates.Viscosity is a measure of a fluid’s resistance to flow. You will find a detailed description of themathematics of viscosity in the Brookfield publication ”More Solutions to Sticky Problems”a copyof which was included with your DV-II+.

The principal of operation of the DV-II+is to drive a spindle (which is immersed in the testfluid) through a calibrated spring. The viscous drag of the fluid against the spindle is measured
by the spring deflection. Spring deflection is measured with a rotary transducer.

The measurement range of a DV-II+(in centipoise or milliPascal seconds) is determined by the rotationalspeed of the spindle, the size and shape of the spindle, the container the spindle is rotating in, and the full scale torque of the calibrated spring.

There are four basic spring torque series offered by Brookfield:
Spring Torque
Model dyne-cm  milli Newton - m
LVDV-II+ 673.7 0.0673
RVDV-II+ 7,187.0 0.7187
HADV-II+ 14,374.0 1.4374
HBDV-II+ 57,496.0 5.7496

The higher the torque calibration, the higher the measurement range. The measurement range for each torque calibration may be found in Appendix B. All units of measurement are displayed according to either the CGS system or the SI system.

1. Viscosity appears in units of centipoise (shown as “cP”) or milliPascal-seconds (shown as “mPa•s”) on the DV-II+Viscometer display.
2. Shear Stress appears in units of dynes/square centimeter (“D/cm 2”) or Newtons/square meter (“N/m2”).
3. Shear Rate appears in units of reciprocal seconds (“1/SEC”).
4. Torque appears in units of dyne-centimeters or Newton-meters (shown as percent “%” in both cases) on the DV-II+Viscometer display.

Note: To change CGS to SI units on the display - see Section III.2.2. The equivalent units of measurement in the SI system are calculated using the following conversions:SI CGS
Viscosity: 1 mPa•s = 1 cP
Shear Stress: 1 Newton/m
2 = 10 dyne/cm 2
Torque: 1 Newton-m = 10 7dyne-cm
References to viscosity throughout this manual are done in CGS units. The DV-II+ Viscometer provides equivalent information in SI units.


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You may contact us at: (571) 426-3598
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SHIPPING WIHIN US:
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We ship via USPS, FedEx and UPS

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- Please email for the shipping cost to other countries.
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* Shipping cost to most areas of Canada. Please email for the cost to more remote provinces such as NL, NS, SK and etc.
* Shipping via Express Mail® International (USPS),taking 6 days for delivery


  

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