The rotational viscometer VSN-3M (Viscometer VSN-3) is designed to measure the rheological characteristics of visco-plastic bodies (drilling muds, paints, oil products, etc.), as well as to determine the dynamic viscosity of Newtonian fluids.
Specifications:
Measurement range of static shear stress (SNS), n/m² (dy/cm²)
- – spring 1: 0-45 ( 0-450 )
- – spring 2: 0-90 ( 0-900 )
Range of measurement of dynamic viscosity of Newtonian liquids, Pa s (cP)
- – torsion spring 1: 0.001-0.2 ( 1-200 )
- – torsion spring 2: 0.001-0.4 ( 1-400 )
- – torsion spring 3: 0.001-1 ( 1-1000 ) (customized)
Other indicators of the device:
- – rotation of the liner when measuring the dynamic viscosity, rpm. – 200; 300; 400
- – sleeve rotation when measuring static shear stress (SNS), rpm. – 0.2
- – limits of measurement error of dynamic viscosity ±5% at liquid temperature (20 ±5) °С
- – rotational speed, rev/min – 0,2; 200; 300; 400; 600
- – inner diameter of the liner, mm – 44 ±0.039
- – height of the measuring element, mm – 60 ±0.19
- – the maximum angle of rotation of the measuring element – 310
- – power consumption, W – 70
- – power supply of the device, V – 220
- – Overall dimensions, mm
- – weight, kg – 8.2
It is applied according to:
- – RD 39-00147001-773-2004 “Methods of monitoring parameters of drilling mud”.
- – GOST 33213-2014 (ISO 10414-1: 2008) “Water based drilling fluids”.
- – GOST 33697-2015 (ISO 10414-2: 2011) “Hydrocarbon-based drilling fluids”.
- – GOST 33696-2015 (ISO 10416: 2008) “Drilling fluids. Laboratory tests “.
- – GOST R 56946-2016 (ISO 13500: 2008) “Oil and gas industry. Materials of drilling fluids. Technical conditions and tests”.
- – STO Gazprom 7.3-002-2010 “Regulatory documents for the construction of wells. Drilling fluids. Field tests”.
