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The ViscoTron VP-2000 was developed by Marimex to combine flexibility of the VP-3000 with the drive mechanism of the VP-1000 to provide a sensor, which will satisfy many process applications at a lower price point.
Innovative light guide assisted assembly procedures are employed for the VP-2000. The series VP-2000 is available in versions to measure low, medium and high viscosities. Sensors can be constructed for pressures up to 40 bar (340 psi) and temperatures up to 275˚C (530˚F). A PT100 inside the sensor bulb measures the temperature of the process.
Calibration with Newtonian ASTM traceable fluids over 2 decades is standard with 3 decades optional. The sensor is gravity independent and therefore can be mounted in any direction.
The viscometer measures the drag of a fluid at the surface of the torsionally resonating sensor. The constant amplitude twisting motion creates a shear wave. Speed, direction and turbulence of flow have no influence on the measurement. The resonant frequency is dependent on the mechanical construction of the sensor. The microscopic motion is fast enough not to be influenced by outside mechanical vibrations, yet low enough to provide excellent sensitivity and resolution even for non-newtonian fluids.
The neck (riser) is designed so that the sensor will work reliably without air cooling in process temperatures up to 175˚C (350˚F) or 275°C / 530°F respectively dependent on the length. This ensures that the the sensor is kept at the actual process temperature.
The sensor is compatible both with the traditional ViscoScope VS-4450 transmitter and the direct digital drive transmitter ViscoTron VT-G130.
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- Viscosity range
- VP-2000L: 1,000 mPa.s x gr/cm³ maximum
- VP-2000M: 10,000 mPa.s x gr/cm³ maximum
- VP-2000H: 100,000 mPa.s x gr/cm³ maximum
- Maximum process temperatures
- External transmitter: 275°C, 530°F
- Internal transmitter: 130°C, 265°F
- Wetted Parts
- SUS316 standard
- Teflon coating
- Hastelloy
- others on request
- Process connections
- 3” 300# ASME or DN80 PN40 standard
- Others on request
- maximum pressure capability of the sensor is 500 bar / 7250 psig
- Approvals
- General perpose
- Hazardous area approval optional
VP-2000H withDN80 PN40 flange and 150 mm non-active extension
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- Polymers
- Batch Resins
- Silicone
- Emulsions
- Crude Oil
- Blending
- Black Liquor
- Ceramics
- Additives
- Slurries
- Coatings
- Spray Driers
- Food Industry
- Sauces
- Creams
- Cheese
- Milk Powder
VP-2000M with 1″ NPT fitting for process temperatures up to 175°C
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