In-Line Viscometer 311 Sanitary Sensor

Quick & Easy Disconnect for
Process Applications that Require Periodic Cleaning

An Excellent In-Line Sensor for Process Applications, with a Quick-Connect Disconnect Tri-Clover® Flange

Viscosity Range Icon

Viscosity Range: 0.2 to 20,000 centipoise (cP)

Repeatability Icon

Repeatability: 0.5% of Reading

Accuracy Icon

Accuracy: 1.0% 

Temperature Sensor Icon

Maximum Temperature: 375°C (707°F)

Pressure Range Icon

Pressure Range: 1,000 psi (70.3 bar)

Wetted Parts Icon

Wetted Parts: 316L SS and Hastelloy

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311 Sensor

How a Viscometer Sensor Works

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The 311 sensor features a quick, tool-free disconnect to make periodic cleaning easy

Specifications  
 Viscosity  0.2 to 20,000 centipoise (cP)
 Piston Ranges  0.2-2cP, 0.25-5cP, 0.5-10cP, 1-20cP,
 2.5-50cP, 5-100cP, 10-200cP, 25-500cP,
 50-1,000cP, 100-2,000cP, 250-5,000cP,
 500-10,000cP, 1,000-20,000cP
 Viscosity Accuracy  ± 1.0% 
 Repeatability  ± 0.5% of Reading
 Temperature Sensor  4 wire internal Platinum RTD
 Wetted Materials  316L Stainless Steel
 Maximum Particle Size  25-360 microns (Range Dependent)
 Max Temperature  375°C (707°F)
 Max Operating Pressure  1,000 psi (70.3 bar)
 Process Connection  2" Sanitary
 Power
 Requires VISCOpro electronics

Approvals/Certifications:

• Approved for Class 1, Div. 1, Group C & D
• Approved for EEx d IIC T2, -20°C<Tamb<190°C

Dimensions:

SPL 311 drawing

 

Quick, Tool-Free Disconnect for Process Applications 

The Model SPC/L311 is an in-line or tank-vessel viscometer that is installed in process fluids to provide continuous temperature and viscosity tracking. The Cambridge Viscosity technology is based on a simple and reliable electromagnetic concept. Two coils move the piston back and forth magnetically at a constant force. Proprietary circuitry analyzes the piston’s two-way travel time to measure absolute viscosity. 

A deflector, positioned over the piston, moves fluid into the measurement chamber. This feature, coupled with the constant piston motion, keeps the sample fresh and mechanically scrubs the chamber. A built-in temperature detector (RTD) senses actual temperature in the measurement chamber. 

The Model SPC/L311 has a quick-connect disconnect Tri-Clover® flange. Typical systems include a tee, Tri-Clamp® and an application-specific gasket. 

Measurements can be made in 13 different 20:1 viscosity ranges within an overall span of 0.2 to 20,000 cP or the equivalent cSt. Maximum flow rate over the sensor head is 10ft/sec (3 m/sec). 

*NOTE: ALL ATEX SENSORS ARE SPL ONLY (L = hard wired, C = connector). 

Model 311
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