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Inline Viscometer for Hazardous Areas: L-Vis 520 Ex

The L-Vis 520 Ex inline viscometer continuously displays the viscosity and temperature of petrochemicals, inks, crude oils, coatings and many more process liquids. It is ideal for monitoring suspensions and emulsions and is certified for use in hazardous areas.

L-Vis 520 Ex is available in two versions: L-Vis 520 Ex Smart Sensor combined with mPDS 5 evaluation unit or L-Vis 520 Ex Smart Sensor with a Remote Operating Terminal (ROT) which can be mounted at a distance of up to 250 meters from the sensor.

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Key Features

Certified for use in hazardous areas

  • ATEX
  • IECEx
  • FM Approval Class I, Division 1 for USA and Canada

Designed for process

  • Drops in pressure or flow rate do not affect the results
  • Ensures consistent product quality and reduces reject product
  • Uses a new measuring principle only available from Anton Paar
  • Viscosity range covered from 1 mPa.s to 50,000 mPa.s

Longstanding experience in rheometry and viscometry

  • For more insight into material properties, L-Vis 520 Ex can be used in combination with an MCR rheometer, SVM™ X001 Viscometer or Lovis 2000 M/ME viscometer

Installation directly in the pipe or stirring tank

  • No bypass required, immersed directly in the liquid in the production line
  • Easy to retrofit the inline viscometer into existing plants

Various communication possibilities with mPDS 5 and Remote Operating Terminal (ROT)

  • Digital/analog in/output
  • PROFIBUS DP
  • PROFINET IO
  • EtherNet/IP
  • Modbus TCP
  • DeviceNet

Technical Specifications

Viscosity
Measuring range 1 mPa.s to 50,000 mPa.s
Typical accuracy 1 %
Typical repeatability0.5 %
Conditions
Process temperature range -5 °C to +195 °C
Ambient temperature -20 °C to +40 °C
Process pressure range0 to 25 bara
Housing
MaterialStainless Steel No. 1.4462, anodized aluminum
Dimensions (LxWxH)400 mm x 200 mm x 240 mm
Weightapprox. 13 kg
Flange type

L-Vis Process Flange DN60 with welding set (25 bar @ 200 °C);
L-Vis Process Flange DN60 with adapter (25 bar @ 100 °C, 20 bar @ 200 °C);
EN 1092-1/05/DN80/PN16, EN 1092-1/05/DN100/PN16;
ANSI flange 3", 4" CL 150;
VARIVENT® flange  Type N (10 bar @ 135 °C)

Sensor
Wetted partsStainless Steel No. 1.4542, diamond-coated SiC seal, Viton O-ring seal
Installation dimensionsmin. 130 mm x min. 100 mm (L x Ø)
InstallationInline, by-pass, tank
Installation orientationhorizontal
SealingDouble mechanical seal with a buffer fluid
Analog/digital communication
Analog output2 x 4 to 20 mA
Digital output1 x
Digital input1 x
Fieldbus communicationPROFIBUS DP, PROFINET IO, EtherNet/IP, Modbus TCP, DeviceNet
Power supply24V DC 3.75 A
Degree of protectionIP 65
Hazardous area

ATEX/IECEx:
ll 2 G Ex d llB T3/4/5/6 Gb
Class l, DIV 1, Groups C and D, T6 (USA)
Class l, DIV 1, Groups C and D, T6 (Canada)

Other certificatesCE, CRN

Standards

A

ASTM D341

Application Reports

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